[Event "Menorca op 3rd"]
[Site "Ciutadella de Menorca"]
[Date "2024.04.03"]
[Round "2"]
[White "Pichot, Alan"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2644"]
[BlackElo "2435"]
[PlyCount "101"]
[EventDate "2024.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. c3 a6 8. a4 Ba7 9. Nbd2 Be6 10. b4 g5 11. Bg3 Qd7 12. 0-0 0-0 13. Re1 Rfe8 14. h3 Rad8 15. b5 Ne7 16. Bxe6 Qxe6 17. Qb3 Qxb3 18. Nxb3 axb5 19. axb5 Bb6 20. Nfd2 Nd7 21. Nc4 f5 22. Nxb6 Nxb6 23. f3 Ra8 24. Kf1 fxe4 25. fxe4 Na4 26. Rec1 c6 27. c4 c5 28. Be1 Nb6 29. Ba5 Nec8 30. Ke2 Kf7 31. Nd2 Nd7 32. Nf3 b6 33. Bd2 Ne7 34. h4 g4 35. Nh2 h5 36. Nf1 Ng6 37. g3 Ne7 38. Bg5 Nf6 39. Ne3 Nfg8 40. Nd1 Kg6 41. Nc3 Nf6 42. Rf1 Neg8 43. Ra6 Rxa6 44. bxa6 Ra8 45. Ra1 Kf7 46. Nb5 Ne8 47. a7 Ne7 48. Bxe7 Kxe7 49. Ra6 Kd7 50. Rxb6 Kc8 51. Kd2 1-0

[Event "San Vicente op 8th"]
[Site "San Vicente"]
[Date "2024.04.01"]
[Round "9"]
[White "Xiao, Tong"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2484"]
[BlackElo "2435"]
[PlyCount "36"]
[EventDate "2024.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 d5 7. Nbd2 dxe4 8. dxe4 a5 9. Qc2 Qe7 10. a4 Nb8 11. Be2 Rd8 12. Nc4 Nbd7 13. Bg5 b6 14. Rfe1 Bb7 15. Bf1 Qe6 16. h3 Be7 17. Bxf6 Qxf6 18. Ne3 Nc5 1/2-1/2

[Event "San Vicente op 8th"]
[Site "San Vicente"]
[Date "2024.03.31"]
[Round "7"]
[White "Alekseenko, Kirill"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2650"]
[BlackElo "2435"]
[PlyCount "65"]
[EventDate "2024.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 Ng6 6. 0-0 d5 7. exd5 Qxd5 8. d4 Bg4 9. Nbd2 exd4 10. Re1+ Be7 11. cxd4 0-0-0 12. Bb3 Qf5 13. h3 Bxf3 14. Nxf3 Nh4 15. Re3 Qh5 16. d5 Bf6 17. Nxh4 Qxh4 18. Qd3 Kb8 19. Re4 Qh5 20. Bf4 Be5 21. Be3 Qf5 22. g4 Qg6 23. Qc2 f5 24. dxc6 fxe4 25. Qc5 Qxc6 26. Qxe5 Rhe8 27. Qxg7 h5 28. Rc1 Qd6 29. gxh5 Rd7 30. Qg6 Qf8 31. h6 Rd6 32. Qf7 Rxh6 33. Bxh6 1-0

[Event "San Vicente op 8th"]
[Site "San Vicente"]
[Date "2024.03.31"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Lazaro Pujol, Abel"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2435"]
[BlackElo "2309"]
[PlyCount "62"]
[EventDate "2024.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qb3 c5 6. dxc5 Nc6 7. Bg5 dxc4 8. Qxc4 Qa5 9. Bxf6 gxf6 10. Rc1 Qxc5 11. Qh4 Ke7 12. g3 Bxc3+ 13. bxc3 Bd7 14. Bg2 Rac8 15. 0-0 h5 16. Rfd1 Rhd8 17. Nd2 Qg5 18. Qa4 Qa5 19. Qb3 b6 20. Nc4 Qc5 21. Nd6 Rc7 22. Ne4 Qa5 23. a4 Ne5 24. Qa3+ Rc5 25. Nxc5 bxc5 26. Rd4 Rc8 27. Rb1 Rc7 28. Rh4 Qa6 29. Qa2 f5 30. Qd2 Bxa4 31. Qf4 Kd6 1-0

[Event "San Vicente op 8th"]
[Site "San Vicente"]
[Date "2024.03.30"]
[Round "6"]
[White "Heimann, Mark A"]
[Black "Makhnev, Denis"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2435"]
[BlackElo "2516"]
[PlyCount "33"]
[EventDate "2024.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Be2 dxc4 7. a4 Bb4 8. Bxc4 0-0 9. 0-0 Qc7 10. Qc2 e5 11. Ne4 exd4 12. exd4 Nxe4 13. Qxe4 Nf6 14. Qh4 Bf5 15. Bf4 Bd6 16. Be5 Qd8 17. Qf4 1-0

[Event "San Vicente op 8th"]
[Site "San Vicente"]
[Date "2024.03.29"]
[Round "5"]
[White "Heimann, Mark A"]
[Black "Basso, Pier Luigi"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2435"]
[BlackElo "2503"]
[PlyCount "115"]
[EventDate "2024.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 Be7 7. Re1 b5 8. Rxe4 d5 9. Nxe5 Nxe5 10. Rxe5 bxa4 11. Nc3 0-0 12. Qh5 c6 13. Nxa4 g6 14. Qh6 Bf6 15. Bg5 Bxg5 16. Rxg5 Qe7 17. c3 f5 18. h4 Re8 19. Nc5 Rb8 20. Nd3 Qg7 21. Qxg7+ Kxg7 22. h5 Kf6 23. f4 Re3 24. Rd1 a5 25. Kf2 Re4 26. hxg6 hxg6 27. Kg3 Re3+ 28. Kh2 Ba6 29. Nc5 Rh8+ 30. Kg1 Bc8 31. Kf2 Rhe8 32. Rd2 Re1 33. Nd3 Ra1 34. Ne5 Rg8 35. a3 Bb7 36. Nd7+ Kf7 37. Nc5 Rb8 38. Re2 Rb1 39. Kg3 Bc8 40. Nd3 Ba6 41. Ne5+ Kg7 42. Rxg6+ Kh7 43. Re3 Rh1 44. b4 Re8 45. Rg5 a4 46. Rxf5 Rg8+ 47. Rg5 Rxg5+ 48. fxg5 Ra1 49. g6+ Kg8 50. Kf4 Rxa3 51. Kg5 Ra2 52. Ng4 Re2 53. Kf6 Rxe3 54. Nh6+ Kf8 55. g7+ Ke8 56. g8Q+ Kd7 57. Nf5 Rxc3 58. Qa8 1-0

[Event "San Vicente op 8th"]
[Site "San Vicente"]
[Date "2024.03.29"]
[Round "4"]
[White "Ivanchuk, Vassily"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2625"]
[BlackElo "2435"]
[PlyCount "27"]
[EventDate "2024.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. 0-0 Qc7 10. Ng3 Be6 11. f4 c5 12. d5 Bc8 13. Qc2 c4 14. Bxh7+ 1/2-1/2

[Event "Santa Clara 1000 GM Schev1 03"]
[Site "Santa Clara"]
[Date "2024.03.10"]
[Round "4.4"]
[White "Guo, Ethan"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2227"]
[BlackElo "2435"]
[PlyCount "85"]
[EventDate "2024.03.09"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 e6 7. Ng3 c5 8. c3 Nc6 9. Bd3 Nxg3 10. hxg3 cxd4 11. cxd4 Bd7 12. Rh4 Be7 13. Rg4 g6 14. Bg5 Qxb2 15. Bxe7 Nxe7 16. Rf4 h6 17. Rb1 Qc3+ 18. Kf1 g5 19. Rf6 Bc6 20. Nh2 h5 21. Nf3 Ng8 22. Nxg5 Nxf6 23. exf6 h4 24. Rb3 Qa5 25. Qe2 hxg3 26. fxg3 Qc7 27. Bg6 0-0-0 28. Nxf7 Rh1+ 29. Kf2 Rf8 30. Qxe6+ Kb8 31. Qe7 Rc8 32. Qxc7+ Kxc7 33. Ne5 Rf8 34. f7 Rh6 35. Rf3 Bd7 36. Bf5 Bxf5 37. Rxf5 Kd6 38. g4 Ke6 39. g5 Kxf5 40. gxh6 Kg5 41. h7 Kh6 42. h8Q+ Rxh8 43. Nd7 1/2-1/2

[Event "Santa Clara 1000 GM Schev1 03"]
[Site "Santa Clara"]
[Date "2024.03.10"]
[Round "5.3"]
[White "Heimann, Mark A"]
[Black "Atwell, Rose"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2435"]
[BlackElo "2285"]
[PlyCount "137"]
[EventDate "2024.03.09"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. d4 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Qb3 Qb6 9. Bd2 Nbd7 10. Be2 Qc7 11. g3 a5 12. Rc1 Bb4 13. cxd5 Bxc3 14. bxc3 exd5 15. c4 dxc4 16. Bxc4 0-0 17. Qb1 Qd6 18. 0-0 b5 19. Be2 Nb6 20. e4 Qe6 21. f3 Rfd8 22. Be3 b4 23. Qb3 Qe8 24. Rc5 Rd6 25. Rfc1 Nfd5 26. Bf2 Ne7 27. a3 Nd7 28. R5c2 Rb8 29. axb4 Rxb4 30. Qa3 Qa8 31. Ra2 Qb8 32. Qxa5 Rb1 33. Rxb1 Qxb1+ 34. Kg2 Nf8 35. Qa3 Rd7 36. Rb2 Qc1 37. Be3 Qe1 38. Qa8 g5 39. Bxg5 Neg6 40. Qxc6 Rxd4 41. Be3 Rd8 42. Qc1 Qxc1 43. Bxc1 Rc8 44. Be3 Ne6 45. f4 Nd8 46. Bg4 Ra8 47. Rb6 Nf8 48. Bc5 Nde6 49. Bd6 Kh7 50. h4 Rd8 51. e5 Nd4 52. Kf2 Re8 53. Ke3 Nde6 54. f5 Nd8 55. Bxf8 Rxf8 56. Rb8 Re8 57. Kd2 Rf8 58. Bf3 f6 59. exf6 gxf6 60. g4 Kh6 61. Kc3 Re8 62. Bd5 Rf8 63. Kc4 Re8 64. Ra8 Nf7 65. Rxe8 Nd6+ 66. Kc5 Nxe8 67. Bc6 Ng7 68. Kd6 Kh7 69. Ke7 1-0

[Event "Santa Clara 1000 GM Schev1 03"]
[Site "Santa Clara"]
[Date "2024.03.09"]
[Round "1.2"]
[White "Arutla, Aditya"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2239"]
[BlackElo "2435"]
[PlyCount "125"]
[EventDate "2024.03.09"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. c4 Nxd5 10. exd5 bxc4 11. Nxc4 Nf6 12. Be3 Rb8 13. Be2 Be7 14. 0-0 0-0 15. a4 Bb7 16. Nb6 Nd7 17. a5 Nxb6 18. Bxb6 Qd7 19. Bc4 Bd8 20. Be3 f5 21. f3 Bf6 22. Qe2 Ra8 23. b4 Qf7 24. Rfd1 f4 25. Bb6 e4 26. fxe4 Bxa1 27. Rxa1 Rae8 28. Qf3 Rc8 29. Be2 Qf6 30. Rd1 Qb2 31. Qf1 Qxb4 32. e5 Rc2 33. e6 Rd2 34. Bf3 Rxd1 35. Qxd1 Rf5 36. h3 Qc4 37. Qe1 Qc8 38. Qe4 g6 39. e7 Re5 40. Qxf4 Rxe7 41. Qxd6 Qd7 42. Qb8+ Re8 43. Qc7 Qxc7 44. Bxc7 Bc8 45. d6 Bd7 46. Bd5+ Kf8 47. Kf2 Bb5 48. Kf3 Re1 49. Bc4 Ke8 50. Bg8 h6 51. g3 Kd7 52. Bh7 Bd3 53. Bg8 Re8 54. Bb3 Be4+ 55. Kf4 g5+ 56. Kg4 Rf8 57. Kh5 Rf6 58. g4 Bc6 59. h4 gxh4 60. Kxh4 Rf1 61. Bc2 Rh1+ 62. Kg3 Rg1+ 63. Kf4 1/2-1/2

[Event "Santa Clara 1000 GM Schev1 03"]
[Site "Santa Clara"]
[Date "2024.03.09"]
[Round "3.5"]
[White "Yan, Nathan"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2185"]
[BlackElo "2435"]
[PlyCount "102"]
[EventDate "2024.03.09"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Na6 6. d4 Nxe4 7. Qxe4 Qd5 8. Qxd5 cxd5 9. Ne5 Nb8 10. Bb5+ Nd7 11. 0-0 f6 12. Nxd7 Bxd7 13. Bxd7+ Kxd7 14. Bf4 e6 15. Rfe1 b5 16. Kf1 g5 17. Bg3 g4 18. Ke2 h5 19. Kd3 h4 20. Bf4 Rh5 21. a4 Rf5 22. g3 b4 23. c3 bxc3 24. bxc3 Bd6 25. Be3 Rc8 26. Rab1 Rc7 27. Rb5 Rf3 28. Reb1 f5 29. Rb8 e5 30. dxe5 Bxe5 31. R1b7 Kc6 32. Rxc7+ Bxc7 33. Rf8 hxg3 34. hxg3 Bb6 35. Rf6+ Kd7 36. Ke2 Ke7 37. Rh6 Bxe3 38. Rh7+ Kf6 39. fxe3 Rxg3 40. Rxa7 Rg2+ 41. Kd3 Ra2 42. Ra8 Kg5 43. Kd4 g3 44. Kxd5 Kg4 45. Ke5 Re2 46. Rg8+ Kf3 47. Kxf5 Rxe3 48. c4 Rc3 49. Rg4 g2 50. Rf4+ Ke2 51. Rg4 Kf2 0-1

[Event "Sant Boi de Llobregat op 4th"]
[Site "Sant Boi de Llobregat"]
[Date "2023.12.07"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Abdukhakimov, Akbarali"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2453"]
[BlackElo "2089"]
[PlyCount "66"]
[EventDate "2023.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c6 3. c4 e6 4. Nc3 Bd6 5. d4 f5 6. g4 Nf6 7. gxf5 exf5 8. Qb3 0-0 9. cxd5 cxd5 10. Nxd5 Nxd5 11. Qxd5+ Kh8 12. Bd2 Qe7 13. Bc4 Bd7 14. Ne5 Be8 15. Qe6 Qc7 16. Be2 Nc6 17. Nc4 Rf6 18. Qd5 Nb4 19. Bxb4 Bxb4+ 20. Kd1 Rc8 21. Qe5 Qc6 22. Rg1 Bf7 23. b3 b5 24. a3 bxc4 25. axb4 cxb3 26. Qc5 b2 27. Kd2 bxa1Q 28. Rxa1 Qe8 29. Qxa7 f4 30. Ra5 fxe3+ 31. fxe3 Qe4 32. Rc5 Ra8 33. Re5 Qh1 0-1

[Event "Sant Boi de Llobregat op 4th"]
[Site "Sant Boi de Llobregat"]
[Date "2023.12.06"]
[Round "7"]
[White "Savitha Shri, B."]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2358"]
[BlackElo "2453"]
[PlyCount "95"]
[EventDate "2023.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. c3 a6 8. Nbd2 Ba7 9. a4 Be6 10. b4 Qd7 11. 0-0 g5 12. Bg3 h5 13. Bxe6 fxe6 14. h4 gxh4 15. Bxh4 Qg7 16. Qb3 Kd7 17. b5 Ne7 18. b6 cxb6 19. Nc4 Rhg8 20. g3 Ng6 21. Nxb6+ Bxb6 22. Qxb6 Rab8 23. Bg5 Qf8 24. Rad1 Nh7 25. d4 exd4 26. Rxd4 e5 27. Rd3 Nxg5 28. Nxg5 Nf4 29. gxf4 exf4 30. Rfd1 Rxg5+ 31. Kf1 Rg6 32. e5 Rd8 33. Qxb7+ Ke8 34. exd6 Re6 35. Qxa6 Qf7 36. d7+ Kf8 37. Qa5 Qf6 38. Qxh5 Re5 39. Rd6 Qg7 40. Qh4 Rg5 41. Qxf4+ Kg8 42. Qc4+ Kf8 43. Qf4+ Kg8 44. R1d3 Rg1+ 45. Ke2 Rg4 46. Qf5 Qe7+ 47. Re3 Qxd6 48. Qxg4+ 1-0

[Event "Sant Boi de Llobregat op 4th"]
[Site "Sant Boi de Llobregat"]
[Date "2023.12.05"]
[Round "6"]
[White "Heimann, Mark A"]
[Black "Torrecillas Martinez, Antonio"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2453"]
[BlackElo "2310"]
[PlyCount "123"]
[EventDate "2023.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7 15. Rxb7 Qh4+ 16. g3 Qd8 17. Bb6 Qc8 18. Rc7 Qd8 19. Qd4 Ba3 20. Nb1 Be7 21. c4 Rc8 22. Rb7 Bb4+ 23. Ke2 Qe7 24. Rc1 Bc5 25. Bxc5 Qxc5 26. Ke3 Qc6 27. Qa7 Rd8 28. Rc7 d4+ 29. Kf2 Qa4 30. Qxd4 Qxa2+ 31. Kg1 Bc6 32. Qf2 Qxf2+ 33. Kxf2 Be4 34. Nc3 Bf5 35. Rd1 0-0 36. Rd6 Rc8 37. Rxc8 Rxc8 38. Na4 Kf8 39. Nb6 Rc7 40. Ke3 Ke7 41. Rd2 Rc6 42. Rd7+ Ke8 43. Rb7 f6 44. Kd4 Kd8 45. c5 fxe5+ 46. fxe5 Rc7 47. Rb8+ Ke7 48. Ra8 Bh3 49. Rxa6 Bg2 50. Nc4 h6 51. Nd6 Kd7 52. Nb5 Rb7 53. Rd6+ Ke7 54. Rb6 Kd7 55. Rd6+ Ke7 56. Rb6 Kd7 57. Kc4 Ke7 58. Kb4 Rd7 59. c6 Rd2 60. c7 Rb2+ 61. Kc3 Rb1 62. Kd2 1-0

[Event "Sant Boi de Llobregat op 4th"]
[Site "Sant Boi de Llobregat"]
[Date "2023.12.02"]
[Round "3"]
[White "Ahmad, Khagan"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2285"]
[BlackElo "2453"]
[PlyCount "207"]
[EventDate "2023.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. Qc2 Nbd7 8. 0-0 c6 9. Bf4 a5 10. b3 b5 11. cxb5 cxb5 12. Bc7 Qe8 13. Qc6 Ra7 14. Rc1 b4 15. Nbd2 Bb7 16. Qc2 Qa8 17. e3 Ba6 18. Qd1 h6 19. h4 Bd3 20. Ne5 Nxe5 21. Bxe5 Ne4 22. Nxe4 Bxe4 23. Qg4 g6 24. Bxe4 dxe4 25. Qf4 Kh7 26. Bf6 Bxf6 27. Qxf6 a4 28. bxa4 Qd8 29. Qf4 Qa8 30. Rab1 Rxa4 31. Rc7 Kg7 32. h5 Qd5 33. hxg6 Kxg6 34. Rc5 Qxa2 35. Qg4+ Kh7 36. Qxe4+ f5 37. Qb7+ Kg6 38. Rxb4 Rxb4 39. Qxb4 Qa1+ 40. Kg2 Qa8+ 41. d5 exd5 42. Ra5 Qd8 43. Qc5 h5 44. Qxd5 Qxd5+ 45. Rxd5 Ra8 46. Rd6+ Kg7 47. Rd2 Kg6 48. Kh3 Ra4 49. Rd6+ Kg7 50. Kg2 Ra2 51. Re6 Rb2 52. e4 fxe4 53. Rxe4 Kg6 54. Rf4 Kg5 55. Rf8 Kg6 56. Kh3 Kg7 57. Rf4 Kg6 58. Kg2 Kg5 59. Rd4 Ra2 60. Rd5+ Kg6 61. Rd8 Kg5 62. Rg8+ Kh6 63. Rd8 Kg5 64. Kf3 Kf5 65. Rd5+ Kg6 66. Ke3 Rb2 67. f3 Rb4 68. Rd4 Rb6 69. Rd2 Rb4 70. Kf2 Kf5 71. Kg2 Rb1 72. Rd5+ Kg6 73. Rd6+ Kg7 74. Re6 Ra1 75. f4 Rb1 76. Kf3 Rb3+ 77. Re3 Rb4 78. Re4 Rb3+ 79. Kg2 Rb1 80. Ra4 Kg6 81. Ra6+ Kg7 82. Re6 Ra1 83. Kf3 Rf1+ 84. Ke2 Ra1 85. Kf2 Rb1 86. Rc6 Ra1 87. Kg2 Rb1 88. Rc2 Kg6 89. Re2 Ra1 90. Kf3 Ra3+ 91. Re3 Ra4 92. Re6+ Kg7 93. Re1 Ra3+ 94. Kg2 Kf6 95. Kh3 Ra2 96. Re5 Kg6 97. Re6+ Kg7 98. Rc6 Ra1 99. Kh4 Rh1+ 100. Kg5 Rg1 101. Rg6+ Kf7 102. Kxh5 Rh1+ 103. Kg5 Rg1 104. Kf5 1-0

[Event "Sant Boi de Llobregat op 4th"]
[Site "Sant Boi de Llobregat"]
[Date "2023.12.01"]
[Round "2"]
[White "Heimann, Mark A"]
[Black "Alekseenko, Kirill"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2453"]
[BlackElo "2670"]
[PlyCount "84"]
[EventDate "2023.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 0-0 7. Nf3 Nbd7 8. e3 dxc4 9. Bxc4 b6 10. 0-0 Bb7 11. Be2 c5 12. b4 cxb4 13. Qxb4 a5 14. Qb2 Qb8 15. h3 Qa7 16. a4 Rfc8 17. Bd2 Ba6 18. Bb5 Bxb5 19. Qxb5 Qb7 20. Rfc1 Ne4 21. Rab1 Nd6 22. Qb3 Rxc1+ 23. Bxc1 Rc8 24. Nd2 Ne4 25. Nxe4 Qxe4 26. Ba3 h6 27. Qb5 Rc3 28. Be7 f6 29. Rb3 Rc1+ 30. Kh2 Qc6 31. e4 Qxb5 32. Rxb5 Rc4 33. d5 e5 34. Bd8 Rb4 35. Be7 Rxe4 36. Rb2 Rxa4 37. Rc2 Rd4 38. d6 Kf7 39. Rc8 a4 40. Rd8 Ke6 41. Re8 a3 42. Bd8+ Kd5 0-1

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.26"]
[Round "8"]
[White "Tin, Jingyao"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2583"]
[BlackElo "2440"]
[PlyCount "111"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. Qa4+ Nc6 6. e3 0-0 7. Bd2 dxc4 8. Bxc4 Bd6 9. Nb5 e5 10. Nxd6 Qxd6 11. dxe5 Nxe5 12. Bb4 c5 13. Rd1 Qe7 14. Nxe5 Qxe5 15. Bc3 Qg5 16. Bxf6 Qxf6 17. Rd2 Be6 18. Bxe6 Qxe6 19. 0-0 Qb6 20. Rfd1 Rad8 21. g3 g6 22. h4 Rxd2 23. Rxd2 h5 24. b3 a6 25. Qd7 Qa5 26. Qd5 Qc3 27. Kg2 b5 28. Rd3 Qb4 29. e4 c4 30. Rd4 Rc8 31. Qb7 Qf8 32. Rd7 Rd8 33. Rc7 cxb3 34. axb3 Qe8 35. Re7 Qf8 36. Rc7 Qe8 37. Re7 Qf8 38. e5 Re8 39. Rc7 Rxe5 40. Qxa6 Kg7 41. Qa1 Qd6 42. Rc8 Qf6 43. Rb8 Qc6+ 44. Kh2 Qf6 45. Kg2 Qc6+ 46. Kg1 Qf6 47. f4 Rf5 48. Qxf6+ Kxf6 49. Rb6+ Ke7 50. Kf2 Kd7 51. b4 Kc7 52. Ra6 Kb7 53. Rd6 Kc7 54. Ra6 Kb7 55. Ra5 Rd5 56. Ke3 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.26"]
[Round "9"]
[White "Vazquez, Guillermo"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2575"]
[BlackElo "2440"]
[PlyCount "75"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 d5 6. exd5 Nxd5 7. 0-0 Nxc3 8. dxc3 Qxd1 9. Rxd1 f6 10. Be3 Bd7 11. Nd2 0-0-0 12. a4 Be8 13. a5 Kc7 14. Re1 Be7 15. Ne4 b6 16. axb6+ axb6 17. Ra6 Bd7 18. b4 Bc8 19. Ra4 cxb4 20. cxb4 b5 21. Raa1 Bxb4 22. Reb1 Rd5 23. c3 Be7 24. Nd2 Rd3 25. Rxb5 Rxc3 26. Ne4 Rc4 27. Bb6+ Kd7 28. Rd1+ Ke8 29. Nd2 Rc3 30. Rb3 Rc2 31. Be4 Rxd2 32. Bxc6+ Bd7 33. Rxd2 Bxc6 34. Rc3 Bb7 35. Rc7 Ba6 36. Ra7 Bc8 37. Rc2 Bd7 38. Ra8+ 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.25"]
[Round "6"]
[White "Bruzon Batista, Lazaro"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2606"]
[BlackElo "2440"]
[PlyCount "142"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 Bg4 10. Nbd2 0-0 11. h3 Bh5 12. Bg5 Na5 13. dxe5 dxe5 14. Bc2 h6 15. Bh4 g5 16. Bg3 Nd7 17. Qe2 Nb7 18. Rfd1 Qf6 19. Bh2 Nd6 20. g4 Bg6 21. Nf1 Rfe8 22. Ng3 Rad8 23. Kg2 Nc5 24. Nf5 Kh7 25. Kh1 Bxf5 26. gxf5 Nd7 27. Rg1 Rg8 28. Rad1 Qe7 29. Rg2 c5 30. Rd5 f6 31. Rg1 Bc7 32. Rgd1 Nf7 33. a4 Nd6 34. axb5 axb5 35. Bg3 c4 36. h4 Nb6 37. R5d2 Nb7 38. hxg5 hxg5 39. Kg2 Kg7 40. b4 Nd6 41. Nh2 Rh8 42. Ng4 Nf7 43. Ne3 Rxd2 44. Rxd2 Rd8 45. Rxd8 Qxd8 46. Qh5 Qh8 47. Qg6+ Kf8 48. Nd5 Nxd5 49. exd5 Bd6 50. Bd1 Qh6 51. Bc2 Qxg6 52. fxg6 Nh6 53. f3 Kg7 54. Bf2 f5 55. Bc5 Bc7 56. Be7 Kxg6 57. d6 Bb6 58. d7 Nf7 59. Kf1 Bd8 60. Bf8 Kf6 61. Ke2 Ke6 62. Bc5 Nh6 63. Bf8 Ng8 64. Bg7 Ne7 65. Bf8 Nd5 66. Kd2 Nf6 67. Ke2 Nxd7 68. Bg7 Bf6 69. Bh6 Be7 70. Bg7 Bf8 71. Bh8 Nb6 0-1

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.25"]
[Round "7"]
[White "Heimann, Mark A"]
[Black "Batsuren, Dambasuren"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2440"]
[BlackElo "2524"]
[PlyCount "72"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Nd7 6. Nf3 Bxc5 7. Bd3 f6 8. b4 Be7 9. Bb2 Nh6 10. c4 Nxe5 11. Nxe5 fxe5 12. Bxe5 Nf7 13. Bb2 Bf6 14. Qe2 Bxb2 15. Qxb2 Qg5 16. 0-0 Ne5 17. Qe2 0-0 18. Nd2 b6 19. cxd5 Nxd3 20. Qxd3 Bb7 21. f3 Bxd5 22. Ne4 Qg6 23. Rfe1 Rac8 24. Rad1 Rc6 25. Nf2 Qg5 26. Qe3 Qxe3 27. Rxe3 Rc2 28. Rde1 Rfc8 29. Nh3 R8c4 30. Ng5 Ra2 31. Nxe6 Bxe6 32. Rxe6 Rcc2 33. Re8+ Kf7 34. R8e7+ Kf8 35. Re8+ Kf7 36. R8e7+ Kf8 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.24"]
[Round "5"]
[White "Heimann, Mark A"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2440"]
[BlackElo "2563"]
[PlyCount "60"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 d6 11. Bc4 Be6 12. Bb3 h6 13. Bxf6 Qxf6 14. Nd5 Qd8 15. Qd3 g6 16. Nfe3 Kg7 17. h4 h5 18. g3 Nd4 19. c3 Nxb3 20. axb3 a5 21. f4 Bxe3 22. Nxe3 Bxb3 23. f5 Qb6 24. 0-0 Bc4 25. Qxc4 Qxe3+ 26. Kg2 Rhc8 27. Qd5 Qe2+ 28. Kh3 Qg4+ 29. Kg2 Qe2+ 30. Kh3 Qg4+ 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.24"]
[Round "4"]
[White "Ringoir, Tanguy"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2507"]
[BlackElo "2440"]
[PlyCount "59"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. Qc2 c6 9. Bf4 b6 10. Nbd2 Nh5 11. e3 Bb7 12. cxd5 cxd5 13. Bc7 Qe8 14. Rfc1 Nb8 15. Bf1 Na6 16. Qb3 Nxc7 17. Rxc7 Bc8 18. Bb5 Qd8 19. Rc2 Bb7 20. Rac1 Bd6 21. Ne5 Qe7 22. Bc6 Rfc8 23. Qa4 Nf6 24. Bxb7 Rxc2 25. Qxc2 Qxb7 26. Qc6 Qxc6 27. Rxc6 Rd8 28. Nb1 Bxe5 29. dxe5 Ng4 30. Rc7 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.23"]
[Round "3"]
[White "Heimann, Mark A"]
[Black "Burke, John M"]
[Result "1/2-1/2"]
[ECO "B62"]
[WhiteElo "2440"]
[BlackElo "2583"]
[PlyCount "121"]
[EventDate "2023.11.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Bg5 e6 8. Qd3 Nxd4 9. Bxd7+ Qxd7 10. Qxd4 Be7 11. 0-0-0 Rc8 12. Bxf6 Bxf6 13. Qxd6 Qxd6 14. Rxd6 Bxc3 15. bxc3 Ke7 16. Rhd1 Rc7 17. Kb2 Rhc8 18. R1d3 g5 19. R6d4 Kf6 20. Rf3+ Kg6 21. e5 h5 22. Rf6+ Kg7 23. Rd3 b5 24. Rg3 g4 25. h3 Rc4 26. a3 a5 27. Kb3 h4 28. Rxg4+ Rxg4 29. hxg4 Rc4 30. f3 a4+ 31. Kb2 Rc5 32. Rf4 Rxe5 33. c4 bxc4 34. Rxc4 Re2 35. g5 Rxg2 36. Rxh4 Rxg5 37. Rxa4 Kf6 38. Rf4+ Ke7 39. a4 e5 40. Rb4 Kd6 41. Rb6+ Kc5 42. Rb7 Rf5 43. Rb3 Rf4 44. Ka3 f5 45. a5 Rh4 46. Rb7 e4 47. Rf7 e3 48. Rxf5+ Kd4 49. f4 e2 50. c3+ Kxc3 51. Re5 Kd2 52. Rd5+ Ke1 53. Kb4 Rxf4+ 54. Kb5 Re4 55. Rh5 Kd2 56. Rh1 e1Q 57. Rxe1 Rxe1 58. a6 Re5+ 59. Kb6 Re6+ 60. Kb7 Rxa6 61. Kxa6 1/2-1/2

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.06"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Fus, Jakub"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2440"]
[BlackElo "2462"]
[PlyCount "137"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7 15. Rxb7 Qh4+ 16. Qf2 Qxf2+ 17. Kxf2 Be7 18. Rhb1 Bd8 19. Ke3 Bc6 20. Rb8 Rxb8 21. Rxb8 Kd7 22. Bb6 Bxb6+ 23. Rxb6 Ra8 24. Kd4 Bb5 25. Rb7+ Ke8 26. Nd1 Rc8 27. Ne3 h5 28. g3 Kf8 29. h3 Kg8 30. g4 h4 31. f5 Rc6 32. c3 Rc8 33. Rb6 Re8 34. a4 Bxa4 35. Rxa6 Bb5 36. Rb6 Be2 37. Rb2 Ba6 38. Ra2 Bb5 39. fxe6 fxe6 40. Kc5 Bd3 41. Kd6 Be4 42. Rf2 Rc8 43. Nd1 Re8 44. Kd7 Bg6 45. Ne3 Bf7 46. Ng2 Ra8 47. Nxh4 Ra7+ 48. Kd6 Ra6+ 49. Kc5 Ra4 50. Nf3 Rf4 51. Rf1 Bg6 52. Nd2 Ra4 53. Rf3 Ra2 54. Nb3 Be4 55. Re3 Kf7 56. Nd4 Ke7 57. Re2 Ra4 58. Nc6+ Kd7 59. Nb4 Ra8 60. Re3 g5 61. Kb5 Bg2 62. Nd3 Rh8 63. Nf2 Rf8 64. Nd3 Rh8 65. Nf2 Rb8+ 66. Kc5 Rf8 67. Nd3 Rh8 68. Nf2 Rf8 69. Nd3 1/2-1/2

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.06"]
[Round "9"]
[White "Kevlishvili, Robby"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2535"]
[BlackElo "2440"]
[PlyCount "113"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 0-0 9. Nc3 Ne8 10. Nd5 Bd6 11. Re1 c6 12. Ne3 Bc7 13. Nf5 d5 14. Ne7+ Kh8 15. Nxc8 Rxc8 16. d3 Qd7 17. Qf3 Nd6 18. Bd2 Rce8 19. a4 Rxe1 20. Rxe1 Re8 21. Rxe8+ Qxe8 22. g3 Qe6 23. h4 Kg8 24. c3 Bb6 25. Kh2 Qf5 26. Qxf5 Nxf5 27. Bh3 Ne7 28. Kg2 Kf8 29. Bd7 f5 30. Bf4 Kf7 31. Bd6 g6 32. Kf1 a5 33. d4 Bd8 34. Ke2 Bb6 35. Kd3 Bd8 36. Ke3 h6 37. Bf4 Kg7 38. Be5+ Kf7 39. Kf4 Bb6 40. f3 Bd8 41. b3 Bb6 42. Ke3 g5 43. h5 Bd8 44. Kd3 Bb6 45. c4 dxc4+ 46. bxc4 Bd8 47. Ke3 Bb6 48. g4 fxg4 49. fxg4 Bd8 50. Ke4 Ng8 51. Bc8 b6 52. d5 cxd5+ 53. cxd5 Nf6+ 54. Kf5 Be7 55. Be6+ Kg7 56. d6 Bd8 57. Ba1 1-0

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.05"]
[Round "6"]
[White "Heimann, Mark A"]
[Black "Stearman, Josiah P"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2440"]
[BlackElo "2451"]
[PlyCount "126"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. Bg5 Be6 8. Bxf6 exf6 9. Qb3 dxc4 10. Bxc4 Bxc4 11. Qxc4 Qe7+ 12. Kf1 0-0-0 13. d5 Qb4 14. Qxb4 Nxb4 15. Rd1 Bg7 16. a3 Na6 17. Nb5 Kb8 18. g3 Nc5 19. Kg2 f5 20. Nc3 Rhe8 21. b4 Nd7 22. Rd3 Bxc3 23. Rxc3 Nf6 24. Rd3 Re2 25. Rhd1 Ne4 26. Rf1 f6 27. Kg1 Ra2 28. Kg2 a6 29. Kg1 Ka7 30. Nh4 Rd2 31. Rxd2 Nxd2 32. Rd1 Rxd5 33. Kg2 Rd4 34. Rc1 Kb6 35. Rc8 Ne4 36. Nf3 Rd3 37. a4 Rb3 38. a5+ Ka7 39. Rc7 Rxb4 40. Rxh7 Ra4 41. Rg7 g5 42. h4 g4 43. Ne1 Ra1 44. Nd3 Nd2 45. Rc7 Nf3 46. Nc1 Rxa5 47. Rc4 Re5 48. Nd3 Rd5 49. Nb2 Rd2 50. Rb4 a5 51. Rb3 a4 52. Nxa4 Rd1 53. Rxf3 gxf3+ 54. Kxf3 b5 55. Ke2 Rd8 56. Nb2 b4 57. h5 Kb6 58. Ke3 Kb5 59. f3 b3 60. g4 fxg4 61. fxg4 Kb4 62. Nd3+ Ka3 63. Ke4 Rxd3 0-1

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.05"]
[Round "7"]
[White "Kavutskiy, Konstantin"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2394"]
[BlackElo "2440"]
[PlyCount "50"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 8. e3 Nxc3 9. Qc2 Ne4 10. Bd3 Nd6 11. Nd2 h6 12. 0-0 0-0 13. Rb1 Rb8 14. a4 Re8 15. Ba3 dxc4 16. Nxc4 Nxc4 17. Bxc4 Bd7 18. Rb2 Ne7 19. a5 Bc6 20. Rd1 Ng6 21. e4 Qg5 22. Bb4 Nh4 23. Bf1 Qg6 24. g3 Nf3+ 25. Kg2 Bxe4 0-1

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.04"]
[Round "5"]
[White "Fishbein, Alexander"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2382"]
[BlackElo "2440"]
[PlyCount "70"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Bb4 6. h4 h6 7. Nh3 Qxh4 8. e3 Bxc3+ 9. bxc3 d6 10. c5 dxc5 11. Ba3 f4 12. exf4 cxd4 13. Bb5 Bd7 14. Bxc6 Bxc6 15. Qxd4 Qf6 16. Qe5+ Ne7 17. Bxe7 Qxe5 18. fxe5 Kxe7 19. Nf4 Kf7 20. 0-0-0 Rhe8 21. e6+ Kg8 22. c4 Rac8 23. Rh3 g5 24. Rg3 Kg7 25. Rd7+ Kf6 26. Rf7+ Ke5 27. Ng6+ Kxe6 28. Rh7 Kf6 29. Rxh6 Kg7 30. Rh5 Kxg6 31. Rgxg5+ Kf6 32. Rf5+ Ke6 33. g4 Rh8 34. Re5+ Kd7 35. Rhg5 Rcg8 0-1

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.04"]
[Round "4"]
[White "Heimann, Mark A"]
[Black "Budisavljevic, Luka"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2440"]
[BlackElo "2515"]
[PlyCount "132"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. cxd5 exd5 9. Bg2 0-0 10. 0-0 Nbd7 11. Ne5 Bb7 12. Bf4 Re8 13. Rc1 Nf8 14. Nb5 Ne6 15. Nc6 Bxc6 16. Rxc6 Nxf4 17. gxf4 Bd6 18. e3 a6 19. Nxd6 cxd6 20. Qd2 Rc8 21. Rfc1 Rxc6 22. Rxc6 Qd7 23. Rxb6 Rc8 24. Rxa6 Qf5 25. Qd1 g5 26. fxg5 Ng4 27. Bf3 Rc2 28. Qxc2 Qxc2 29. Bxg4 h6 30. Rxd6 Qe4 31. h3 hxg5 32. Rf6 Kg7 33. Rf5 f6 34. Kh2 Qc2 35. Kg2 Qe4+ 36. Kg3 Qb1 37. a4 Qxb3 38. a5 Qb1 39. a6 Qg1+ 40. Kf3 Qh1+ 41. Ke2 Qa1 42. a7 Qxa7 43. Kf1 Qa2 44. Kg2 Kg6 45. Rf3 Kf7 46. Bf5 Qe2 47. Rg3 Qd1 48. Rg4 Kg7 49. Be6 Qb3 50. h4 Kg6 51. e4 Qb4 52. exd5 Qe1 53. hxg5 fxg5 54. Bd7 Kf6 55. Bc6 Qe2 56. Bd7 Ke7 57. Bf5 Kf6 58. Re4 Qb5 59. Be6 Qd3 60. Rg4 Qe2 61. Rg3 Qe4+ 62. Rf3+ Ke7 63. Kg3 Qh4+ 64. Kg2 Qe4 65. Kg3 Qh4+ 66. Kg2 Qe4 1/2-1/2

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.03"]
[Round "2"]
[White "Heimann, Mark A"]
[Black "Ozenir, Ekin Baris"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2440"]
[BlackElo "2391"]
[PlyCount "59"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 0-0 7. Nc3 d6 8. e4 e5 9. dxe5 dxe5 10. Nxe5 Qe7 11. f4 Na6 12. Be2 Nc5 13. Qe3 c6 14. 0-0 Re8 15. Rfe1 a4 16. Rad1 h6 17. h3 Qf8 18. Bf1 Ra5 19. Qf3 Rxe5 20. fxe5 Nfd7 21. Qf4 Ne6 22. Qd2 Qc5+ 23. Kh1 Ra8 24. Qd6 Qxe5 25. Qxe5 Nxe5 26. Nd5 Bd7 27. Nb6 Rd8 28. Nxa4 c5 29. Nxc5 Nxc5 30. Rd5 1-0

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.03"]
[Round "3"]
[White "Ngo, Bach"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2367"]
[BlackElo "2440"]
[PlyCount "73"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 8. e3 Nxc3 9. Qc2 Ne4 10. Bd3 Nd6 11. Nd2 dxc4 12. Nxc4 Nxc4 13. Bxc4 e5 14. Bb5 Bd7 15. dxe5 0-0 16. Bd3 Nxe5 17. Bxh7+ Kh8 18. Bb2 Qg5 19. Be4 Nc6 20. h4 Qh5 21. Bf3 Bg4 22. Bxg4 Qxg4 23. h5 f6 24. Kf1 Rad8 25. Rh3 Rd5 26. h6 g6 27. Rg3 Qh5 28. Rxg6 Ne5 29. Bxe5 Qxe5 30. Rd1 Rc5 31. Qd3 Qh5 32. g4 Qh1+ 33. Ke2 Qc6 34. Rg7 f5 35. Qd4 Rc2+ 36. Kd3 Rf6 37. Qd8+ 1-0

[Event "Fort Lauderdale 1000 GM GM 11"]
[Site "Fort Lauderdale"]
[Date "2023.11.02"]
[Round "1"]
[White "Posthuma, Joshua G"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2445"]
[BlackElo "2440"]
[PlyCount "65"]
[EventDate "2023.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 6. Bg2 c6 7. Qc2 Nbd7 8. Bf4 Bxf4 9. gxf4 b6 10. cxd5 cxd5 11. Nc3 0-0 12. 0-0 Bb7 13. Rfc1 Qe7 14. e3 Rfc8 15. Qb3 Nf8 16. a4 Ng6 17. a5 bxa5 18. Rxa5 Ne4 19. Rca1 Nxc3 20. bxc3 a6 21. Bf1 Rc6 22. R1a3 Qc7 23. Bd3 Rc8 24. Bxa6 Bxa6 25. Rxa6 Rxc3 26. Qxc3 Qxc3 27. Rxc3 Rxc3 28. Ra8+ Nf8 29. Ne5 Rc7 30. f5 exf5 31. Nd3 Rd7 32. Nb4 f4 33. Ra5 1/2-1/2

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.04"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Ali Marandi, Cemil Can"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2435"]
[BlackElo "2559"]
[PlyCount "72"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 h6 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3 0-0 8. Rc1 a6 9. a3 Nbd7 10. cxd5 exd5 11. Bd3 b6 12. 0-0 Bb7 13. b4 Rfe8 14. Qc2 Rac8 15. Qe2 Ra8 16. b5 Qxa3 17. bxa6 Bxa6 18. Bxa6 Qxa6 19. Qxa6 Rxa6 20. Nb5 Ra5 21. Nxc7 Rb8 22. Ne5 Rb7 23. Nc6 Rxc7 24. Nxa5 Rxc1 25. Rxc1 bxa5 26. Rc8+ Nf8 27. Ra8 g5 28. f3 Kg7 29. Kf2 h5 30. Rxa5 Ne6 31. h3 h4 32. Ke2 Kf8 33. Kd3 Ke7 34. Ra2 Nh5 35. Ra5 Nf6 36. Ra2 Nh5 1/2-1/2

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.03"]
[Round "7"]
[White "Antipov, Mikhail Al"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2600"]
[BlackElo "2435"]
[PlyCount "69"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 d6 6. c3 a6 7. a4 h6 8. Nbd2 Ba7 9. a5 0-0 10. 0-0 Re8 11. Qb3 Qe7 12. Re1 Rb8 13. Qc2 Be6 14. Bxe6 Qxe6 15. Nf1 Rbd8 16. Be3 Bxe3 17. Nxe3 d5 18. Nh2 Rd7 19. Nhg4 Nxg4 20. hxg4 dxe4 21. dxe4 Red8 22. Red1 Rxd1+ 23. Rxd1 Rxd1+ 24. Qxd1 g6 25. b4 Kg7 26. Qd5 b6 27. b5 axb5 28. a6 Qxd5 29. Nxd5 Na7 30. Nxc7 Kf6 31. Nd5+ Kg5 32. f3 f5 33. f4+ exf4 34. e5 fxg4 35. e6 1-0

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.03"]
[Round "6"]
[White "Heimann, Mark A"]
[Black "Raja, Harshit"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2435"]
[BlackElo "2509"]
[PlyCount "120"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. 0-0 0-0 6. c4 dxc4 7. Na3 a5 8. Ne5 c6 9. Naxc4 Be6 10. Qd3 Nfd7 11. Nf3 Bf5 12. Qa3 b5 13. Nce5 Nb6 14. Bd2 b4 15. Qb3 Be4 16. Qe3 Bd5 17. b3 Na6 18. Rac1 Qd6 19. Qf4 c5 20. e4 Bb7 21. Be3 cxd4 22. Bxd4 Nd7 23. Nxd7 Qxd7 24. Bxg7 Kxg7 25. Rfd1 Qe6 26. Ng5 Qf6 27. Qxf6+ exf6 28. Rd7 fxg5 29. Rxb7 Rac8 30. Rxc8 Rxc8 31. e5 Rc7 32. Rb6 Rc1+ 33. Bf1 Nc5 34. Kg2 Rc2 35. Rb5 g4 36. Rxa5 Ne6 37. Bc4 Ng5 38. Ra7 Kf8 39. Ra8+ Kg7 40. Ra7 Kf8 41. Kf1 h5 42. Ke1 Ke8 43. Bb5+ Kf8 44. Bc4 Ke8 45. Be2 Rb2 46. Ra4 Ke7 47. Rxb4 Rxa2 48. Rb6 Rb2 49. b4 Kd7 50. Kd1 Ne4 51. Bc4 Kc7 52. Ra6 Nxf2+ 53. Kc1 Rxb4 54. Bxf7 Nd3+ 55. Kc2 Nxe5 56. Bxg6 Nf3 57. Bxh5 Nxh2 58. Rg6 Nf1 59. Rxg4 Ne3+ 60. Kc3 Rxg4 1/2-1/2

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.02"]
[Round "4"]
[White "Heimann, Mark A"]
[Black "Deng, Henry"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2435"]
[BlackElo "2301"]
[PlyCount "117"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. Bf4 d5 8. Nd2 Be7 9. 0-0 0-0 10. e5 Nd7 11. Re1 g6 12. Bh6 Re8 13. Qg4 Rb8 14. b3 Nc5 15. Nf3 Nxd3 16. cxd3 Ba6 17. Rad1 c5 18. Ng5 Rb4 19. Qg3 Bc8 20. f4 a5 21. Re3 f6 22. Nf3 Bf8 23. Bxf8 Rxf8 24. Rc1 fxe5 25. Nxe5 Kg7 26. Nc6 Qb6 27. Nxb4 Qxb4 28. Rf3 a4 29. bxa4 Qxa4 30. Qf2 Ba6 31. Qxc5 Kg8 32. Qb6 Re8 33. Qb2 d4 34. h3 Qd7 35. Qe2 Bb7 36. Rf2 Rf8 37. Qe5 Rf5 38. Rc7 Rxe5 39. Rxd7 Rb5 40. Rxd4 Bd5 41. Rc2 Rb1+ 42. Kf2 Rb7 43. a4 Ra7 44. Rc5 Rb7 45. g4 h5 46. gxh5 gxh5 47. f5 Rf7 48. Rdxd5 exd5 49. Rxd5 h4 50. a5 Ra7 51. Kf3 Rg7 52. a6 Kh7 53. Ra5 Rg3+ 54. Ke4 Rg8 55. a7 Re8+ 56. Kd5 Ra8 57. Kc6 Rf8 58. a8Q Rf6+ 59. Kd7 1-0

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.02"]
[Round "5"]
[White "Margvelashvili, Giorgi"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2534"]
[BlackElo "2435"]
[PlyCount "109"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 a6 4. Bg2 b5 5. b3 Bb7 6. Nc3 b4 7. Na4 Be7 8. 0-0 0-0 9. Bb2 d6 10. d4 Be4 11. d5 exd5 12. cxd5 Nxd5 13. Qd4 Nf6 14. Qxb4 Nbd7 15. Rac1 Re8 16. Qa5 c5 17. Qxd8 Raxd8 18. Nh4 Bxg2 19. Nxg2 Nd5 20. Rfd1 N7b6 21. Nxb6 Nxb6 22. Bc3 Ra8 23. Ba5 Nc8 24. e3 Na7 25. Nf4 Bf8 26. Rc4 Nc6 27. Bc3 f5 28. Nd5 Ra7 29. Kg2 a5 30. g4 fxg4 31. Rxg4 Re6 32. h4 Nb4 33. Nf4 Re4 34. Rd2 Rb7 35. Kf3 Re8 36. Ke2 Rf7 37. Nd5 Nxd5 38. Rxd5 Ra7 39. Ra4 Rea8 40. h5 Kf7 41. Rf5+ Ke6 42. Raf4 Be7 43. Bxg7 a4 44. Bf6 Rf8 45. Bxe7 Rxf5 46. Rxf5 Kxf5 47. Bxd6 axb3 48. axb3 Rb7 49. Bxc5 Rxb3 50. h6 Rb2+ 51. Kf3 Rb3 52. Bd6 Ke6 53. Bf4 Kf5 54. Bd6 Ke6 55. Bf4 1/2-1/2

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.01"]
[Round "2"]
[White "Heimann, Mark A"]
[Black "Matviishen, Viktor"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2435"]
[BlackElo "2539"]
[PlyCount "41"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. Ne5 g6 10. Qa4+ Bd7 11. Bxe6 fxe6 12. Qc4 Bg7 13. Nxd7 Qxd7 14. Qxc5 0-0 15. f3 Nc6 16. Qe3 Nb4 17. Rb1 Nd3 18. b3 b5 19. a3 a5 20. b4 axb4 21. axb4 0-1

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.09.01"]
[Round "3"]
[White "Yu, Jiangwei"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "2333"]
[BlackElo "2435"]
[PlyCount "98"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd2 Be7 7. Rc1 Nbd7 8. Bd3 dxc4 9. Bxc4 c5 10. 0-0 a6 11. a4 cxd4 12. exd4 Nb6 13. Ba2 Nbd5 14. Bg5 Nb4 15. Bb1 Bd7 16. Ne5 Be8 17. Qf3 Qxd4 18. Ng4 Bc6 19. Qh3 h5 20. Bxf6 Bxf6 21. Qxh5 g6 22. Qh3 Bg5 23. Rcd1 Qh8 24. Qxh8+ Kxh8 25. Ne5 Bf6 26. Nd7 Bxd7 27. Rxd7 b6 28. Be4 Rad8 29. Rb7 Rb8 30. Rd7 Kg7 31. Bb7 Rfd8 32. Rfd1 Rxd7 33. Rxd7 Nd3 34. Bxa6 Nxb2 35. Ne4 Nxa4 36. Nd6 Rf8 37. Rb7 Be5 38. Nc4 Bd4 39. Bb5 Nc5 40. Rxb6 Ne4 41. Rb7 Ra8 42. g3 Ra2 43. Rd7 Bxf2+ 44. Kf1 Bc5 45. Bc6 Rf2+ 46. Ke1 Bb4+ 47. Kd1 Nc3+ 48. Ke1 Rxh2 49. Ne5 Re2+ 0-1

[Event "Sunnyvale Silicon Valley Fall op"]
[Site "Sunnyvale"]
[Date "2023.08.31"]
[Round "1"]
[White "Pompe, Niko"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2095"]
[BlackElo "2435"]
[PlyCount "56"]
[EventDate "2023.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. Qe2 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Be2 Bb4 8. e5 Nfd7 9. Qg4 Bf8 10. f4 Qb6 11. b3 h5 12. Qg3 h4 13. Qf3 g6 14. Bb2 Be7 15. 0-0-0 c5 16. f5 gxf5 17. Nxd5 exd5 18. Qxd5 Nc6 19. Qd3 Nd4 20. c3 Nxe5 21. Qe3 Nxe2+ 22. Qxe2 Ng6 23. c4 Rg8 24. Rhf1 f4 25. d4 0-0-0 26. d5 Bf6 27. Qc2 Bxb2+ 28. Kxb2 Qf6+ 0-1

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.06"]
[Round "9"]
[White "Georgiev, Vladimir"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2421"]
[BlackElo "2440"]
[PlyCount "11"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. 0-0 e6 5. d3 h6 6. Nbd2 1/2-1/2

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.06"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Schmakel, Sam A"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2440"]
[BlackElo "2455"]
[PlyCount "77"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 a6 5. a4 Nc6 6. h3 Nf6 7. Bg5 h6 8. Be3 e6 9. Qd2 b6 10. d5 Nb4 11. Bc4 e5 12. a5 bxa5 13. Rxa5 c5 14. Ra3 0-0 15. 0-0 Kh7 16. Rfa1 Nd7 17. Ne2 f5 18. exf5 gxf5 19. c3 f4 20. cxb4 fxe3 21. Rxe3 cxb4 22. Bd3+ Kg8 23. Qxb4 Nc5 24. Bc2 a5 25. Qd2 Rb8 26. Ng3 Rb4 27. Nh5 e4 28. Nxg7 Kxg7 29. Nd4 Qf6 30. Nc6 Rxb2 31. Rxa5 Nd3 32. Ra7+ Kh8 33. Rxe4 Nxf2 34. Ree7 Nxh3+ 35. Kh2 Bf5 36. Rh7+ Kg8 37. Rag7+ Qxg7 38. Rxg7+ Kxg7 39. Qc3+ 1-0

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.05"]
[Round "7"]
[White "Arnaudov, Petar G"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2438"]
[BlackElo "2440"]
[PlyCount "144"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 d6 5. c3 Nbd7 6. Nbd2 g5 7. Bg3 Nh5 8. e4 Bg7 9. Nc4 f5 10. exf5 exf5 11. h3 Nxg3 12. fxg3 Nf6 13. Nfd2 0-0 14. Be2 c6 15. 0-0 Qe7 16. Bd3 Ne4 17. Bxe4 fxe4 18. Rxf8+ Qxf8 19. Qh5 Be6 20. Rf1 Bf7 21. Qg4 Qe7 22. h4 Be6 23. Qh5 Rf8 24. Rxf8+ Kxf8 25. hxg5 hxg5 26. Qg6 d5 27. Ne3 Qf6 28. Qh5 Qh6 29. Qe2 Ke8 30. Ndf1 Bf8 31. Ng4 Qh8 32. Nfe3 Bd6 33. Nf1 Kd8 34. Nge3 Qh7 35. b4 Kc7 36. a4 Qf7 37. a5 Bc8 38. Qa2 Kb8 39. Qb3 Qc7 40. Kf2 Be6 41. Qd1 Bxg3+ 42. Kg1 Bf4 43. Qh5 b6 44. axb6 axb6 45. Qe8+ Qc8 46. Qg6 Qg8 47. Qf6 Bc7 48. Nc2 Kb7 49. Qe7 Bc8 50. b5 c5 51. Nfe3 Qd8 52. Qf7 Qd7 53. Qg8 Qxb5 54. Qxd5+ Qc6 55. Qxg5 cxd4 56. Nxd4 Qxc3 57. Qd5+ Kb8 58. Nc6+ Ka8 59. Kf2 Qb2+ 60. Kg1 Qc1+ 61. Kf2 Qb2+ 62. Kg1 Bg3 63. Ne7+ Bb7 64. Qg8+ Bb8 65. N7d5 Qc1+ 66. Kf2 Qd2+ 67. Kg1 Ka7 68. Qe6 Qd4 69. Kf2 Bh2 70. Qe7 Qb2+ 71. Kf1 Bg3 72. Qf6 Qc1+ 0-1

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.05"]
[Round "6"]
[White "Heimann, Mark A"]
[Black "Luo, Terry"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2440"]
[BlackElo "2351"]
[PlyCount "85"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 0-0 6. Nge2 c5 7. d5 e6 8. 0-0 exd5 9. cxd5 Re8 10. Ng3 Nbd7 11. h3 a6 12. a4 Rb8 13. Re1 Qc7 14. Qe2 Ne5 15. Bc2 c4 16. f4 Ned7 17. a5 b5 18. axb6 Rxb6 19. Na4 Rb8 20. Be3 h5 21. Qf3 h4 22. Ne2 Nb6 23. Nxb6 Rxb6 24. Bxb6 Qxb6+ 25. Kh2 Qxb2 26. Rec1 Nh5 27. Rab1 Qa2 28. Rb6 Qa5 29. Rxd6 Qd2 30. Ba4 Nxf4 31. Rc2 Qb4 32. Bxe8 Qxd6 33. Nxf4 Be5 34. Rxc4 Bxf4+ 35. Kh1 Qe5 36. Qc3 Qb8 37. Rb4 Qd6 38. Rb1 Qd8 39. Ba4 a5 40. Rf1 Bg3 41. Qf6 Qf8 42. e5 Bf5 43. d6 1-0

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.04"]
[Round "4"]
[White "Heimann, Mark A"]
[Black "Mitkov, Nikola"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2440"]
[BlackElo "2420"]
[PlyCount "136"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Ne2 Bc5 6. Nf4 Ne5 7. Nc3 c6 8. Qe2 d6 9. Nh5 Qh4 10. h3 Bxf2+ 11. Qxf2 Qxh5 12. Bf4 Ne7 13. Be2 Qg6 14. 0-0-0 0-0 15. g4 Qe6 16. h4 b5 17. Qd4 a5 18. Kb1 b4 19. Na4 Ba6 20. Bxa6 Rxa6 21. Qxd6 Qxd6 22. Rxd6 Nxg4 23. Nc5 Raa8 24. h5 Rfd8 25. Rg1 Rxd6 26. Bxd6 Nc8 27. Bc7 Nf6 28. h6 Ne8 29. Rd1 f6 30. Rd8 Kf7 31. Rd7+ Kg6 32. Bf4 gxh6 33. Ne6 Nb6 34. Nf8+ Kh5 35. Rxh7 Kg4 36. Ne6 h5 37. b3 Nc8 38. Bh2 Ra7 39. Rh8 Re7 40. Nd4 Rxe4 41. Rg8+ Kh3 42. Nf3 h4 43. Bb8 Ncd6 44. Kc1 Re3 45. Nd4 c5 46. Nc6 f5 47. Nxa5 f4 48. Nc4 Nxc4 49. bxc4 Nf6 50. Rf8 Ne4 51. Bxf4 Re1+ 52. Kb2 Rf1 53. c3 Kg4 54. Rg8+ Kf3 55. Be5 Rf2+ 56. Kb3 Nd2+ 57. Ka4 Nxc4 58. Bf6 h3 59. Kb5 Nd6+ 60. Kc6 Ne4 61. cxb4 Nxf6 62. Rh8 Kg4 63. bxc5 h2 64. Rxh2 Rxh2 65. a4 Ra2 66. Kb5 Kf5 67. a5 Nd5 68. Kc6 Ke6 0-1

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.04"]
[Round "5"]
[White "Kunka, Harshid"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2348"]
[BlackElo "2440"]
[PlyCount "137"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Nbd2 Bf8 14. d5 Nb8 15. Nf1 Nbd7 16. Ng3 h6 17. Nf5 Kh7 18. Be3 Nc5 19. Bc2 c6 20. Ng3 cxd5 21. exd5+ Kg8 22. b4 Ncd7 23. Bb3 a5 24. bxa5 Rxa5 25. Qd2 Qa8 26. Rad1 Rc8 27. Nh2 Ra3 28. Ng4 Rxb3 29. axb3 Bxd5 30. Nxh6+ Kh7 31. Nhf5 Bxg2 32. Kh2 Bd5 33. Bg5 Bxb3 34. Rb1 Qd5 35. Qe3 Bc2 36. Rb2 Qd3 37. Bxf6 Nxf6 38. Qg5 Rxc3 39. Qh4+ Kg8 40. Rg1 Rc4 41. Nh6+ Kh7 42. Ng4+ Kg6 43. Ne4 Kf5 44. Ne3+ Ke6 45. Ng5+ Kd7 46. Nxc4 bxc4 47. Rb7+ Kc6 48. Rxf7 Qd4 49. Qg3 Nd7 50. Qf3+ e4 51. Qg4 Nf6 52. Qc8+ Kd5 53. Qb7+ Ke5 54. Qb5+ d5 55. Qb8+ Bd6 56. Re7+ Kf5+ 57. Qxd6 Qxf2+ 58. Rg2 Qf4+ 59. Qxf4+ Kxf4 60. Ne6+ Ke5 61. Rxc2 Kd6 62. Rxg7 Kxe6 63. h4 e3 64. Kg2 Nh5 65. Rg6+ Kf7 66. Rg5 Nf4+ 67. Kf3 d4 68. Kxf4 d3 69. Kxe3 1-0

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.03"]
[Round "2"]
[White "Heimann, Mark A"]
[Black "Ezra, Paul Chambers"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2440"]
[BlackElo "2337"]
[PlyCount "145"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Ne7 7. Nbd2 c5 8. dxc5 Nc6 9. Nb3 Bxc5 10. Nxc5 Nxc5 11. Nd4 Bg6 12. Bb5 Rc8 13. b3 Nd7 14. Bxc6 bxc6 15. Ba3 c5 16. Nb5 0-0 17. Nxa7 Ra8 18. Nb5 Qb6 19. c4 Nxe5 20. Qe2 Nc6 21. cxd5 exd5 22. Rfc1 Nb4 23. Bxb4 cxb4 24. Nc7 Ra5 25. Qe7 Be4 26. Qd7 h6 27. Qc6 Qd4 28. Re1 Rc5 29. Qb6 Rc8 30. Rad1 Qc3 31. Nb5 Qb2 32. Nd6 R5c6 33. Qxb4 Ra8 34. Qb7 Rxa2 35. Qxf7+ Kh8 36. Nxe4 dxe4 37. Rd8+ Kh7 38. Qg8+ Kg6 39. Qe8+ Kh7 40. Qxe4+ Rg6 41. Qe3 Rf6 42. Qd3+ Rg6 43. Rf8 Ra1 44. Rfe8 Raa6 45. h4 Rad6 46. Qe3 Qc2 47. h5 Rg5 48. Qf3 Rf5 49. Qg3 Rdf6 50. R8e2 Qc5 51. Qd3 Qb5 52. Qc2 Qc5 53. Qxc5 Rxc5 54. Re5 Rc2 55. f3 Rb2 56. Rb5 Rc6 57. Re4 Rbc2 58. Rb7 Rc7 59. Rxc7 Rxc7 60. b4 Rc2 61. Kh2 Kg8 62. Kh3 Kf7 63. g3 Rb2 64. Kg4 Kf6 65. Kf4 Rb3 66. Rc4 Kf7 67. g4 Kf6 68. Rc6+ Kf7 69. Rb6 Ke7 70. b5 Kf7 71. Ke4 Ke7 72. f4 Ra3 73. Kf5 1-0

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.03"]
[Round "3"]
[White "Jacobson, Aaron"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2343"]
[BlackElo "2440"]
[PlyCount "98"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. Nc3 Nc6 9. Be2 Bb7 10. Be3 Be7 11. 0-0 0-0 12. a3 Na5 13. Qc2 Rb8 14. Rad1 Nd5 15. Bd2 Nb3 16. Bxc4 Nxd2 17. Nxd2 Nb6 18. Bd3 g6 19. Nb3 Nd5 20. Ne2 Ba8 21. Be4 Qd7 22. Nc5 Qb5 23. b4 Rfd8 24. Nc1 a5 25. N1b3 axb4 26. a4 Qe8 27. Rd3 Nc3 28. Bxa8 Rxa8 29. a5 Qb5 30. Re3 Qc4 31. Ne4 Qb5 32. Nxc3 bxc3 33. Rxc3 Bb4 34. Rxc7 Bxa5 35. Rc5 Qb4 36. Rb1 Rdb8 37. d5 exd5 38. Rxd5 Qc3 39. Rc5 Qxc2 40. Rxc2 Rb5 41. Rc5 Rab8 42. Rxb5 Rxb5 43. f4 Bb6+ 44. Kf1 Be3 45. g3 g5 46. fxg5 Bxg5 47. Nd2 Rxe5 48. Nf3 Rf5 49. Kg2 Bf6 1/2-1/2

[Event "Fort Lauderdale 1000 GM GM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.02"]
[Round "1"]
[White "Heimann, Mark A"]
[Black "Lu, Maximillian"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2440"]
[BlackElo "2396"]
[PlyCount "118"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. f3 Nc6 4. Nc3 d5 5. Qa4 Qd7 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. e4 Qa5+ 9. Qxa5 Nxa5 10. Be3 e6 11. Rc1 c6 12. Bd2 Bd7 13. Ba6 Rb8 14. Bf4 Rd8 15. Ne2 Bc8 16. Bd3 f6 17. Bd2 Bd7 18. Ba6 Rb8 19. Bf4 Rd8 20. Bd2 Rb8 21. Nf4 Nb7 22. Nd3 Nd6 23. Bf4 Rd8 24. Ke2 Bc8 25. Bxc8 Rxc8 26. Rc2 Kd7 27. Rd1 Nf7 28. b4 Bd6 29. Ne5+ Bxe5 30. dxe5+ Ke7 31. exf6+ gxf6 32. Rdc1 Kd7 33. a4 e5 34. Be3 Rc7 35. a5 Rb8 36. Rd1+ Ke7 37. Ra1 Nd8 38. axb6 axb6 39. Ra6 Rcb7 40. f4 exf4 41. Bxf4 Ne6 42. Bxb8 Nd4+ 43. Kd3 Nxc2 44. Kxc2 Rxb8 45. Ra7+ Ke6 46. Rxh7 Ra8 47. Kb3 Rg8 48. g3 Rg4 49. b5 cxb5 50. Kb4 f5 51. Kxb5 f4 52. gxf4 Rxf4 53. h4 Rxe4 54. h5 Rh4 55. h6 Kf6 56. Rb7 Rh5+ 57. Ka6 Rxh6 58. Rxb6+ Kg5 59. Rxh6 Kxh6 1/2-1/2

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.04"]
[Round "7"]
[White "Heimann, Mark A"]
[Black "Vidyarthi, Omya"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2440"]
[BlackElo "1958"]
[PlyCount "79"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qb6 9. Nxg6 hxg6 10. Bd2 Bd6 11. c5 Qxb3 12. axb3 Rxh2 13. Rxh2 Bxh2 14. b4 Bg3+ 15. Kd1 e5 16. Ra4 exd4 17. exd4 Nfd7 18. b5 Nf8 19. Be3 Ne6 20. b4 cxb5 21. Bxb5+ Nc6 22. Ne2 Bh4 23. Bd3 a5 24. b5 Nb4 25. Bb1 Bd8 26. Bd2 Rc8 27. b6 Kd7 28. Rxa5 Nc6 29. Ra4 Bf6 30. Be3 Rh8 31. Ba2 Rh1+ 32. Kd2 Ne7 33. Ra7 Nd8 34. Nc3 Rh2 35. Nxd5 Rxg2+ 36. Kd3 Nec6 37. Bc4 Rg3 38. Ke4 Be7 39. Nxe7 Nxe7 40. d5 1-0

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.03"]
[Round "5"]
[White "Mieles Palau, Daniel Alberto"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2369"]
[BlackElo "2440"]
[PlyCount "103"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 Nf6 7. Nc3 Qh5 8. d3 Bf5 9. dxe4 Nxe4 10. Bg2 Nxc3 11. bxc3 Nd7 12. Ne3 Bh3 13. Bxh3 Qxh3 14. Qd4 Nc5 15. Ba3 Rd8 16. Qc4 b5 17. Qg4 Qxg4 18. Nxg4 Nd3+ 19. exd3 Bxa3 20. Kd2 0-0 21. Kc2 a5 22. Ne5 Rd6 23. d4 a4 24. Rad1 Rfd8 25. Rd3 Re6 26. Rb1 Bf8 27. f4 Rd5 28. f5 Red6 29. g4 c5 30. dxc5 Rxc5 31. Rxd6 Bxd6 32. Rd1 Be7 33. Nd7 Rc7 34. Nb6 Rc6 35. Nd5 Bg5 36. h3 h5 37. h4 Bxh4 38. Rh1 Bd8 39. Rxh5 Rc4 40. Ne3 Rf4 41. f6 Bxf6 42. Rxb5 Rf2+ 43. Kd3 Rxa2 44. Nc2 a3 45. Rb8+ Kh7 46. Ra8 Kg6 47. Ra7 Be5 48. Nxa3 Kg5 49. Rxf7 Kxg4 50. Nc4 Bf6 51. Ne3+ Kg5 52. Nd5 1/2-1/2

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.02"]
[Round "3"]
[White "Bhatta, Rohit"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1731"]
[BlackElo "2440"]
[PlyCount "76"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Qd5 7. 0-0 Bd7 8. Nc3 Qh5 9. Qxc4 Bd6 10. Nb5 0-0 11. Nxd6 cxd6 12. b3 a5 13. a3 Rac8 14. Qd3 e5 15. e4 d5 16. Nxe5 dxe4 17. Qd1 Qf5 18. Nc4 Rcd8 19. Nd6 Qg6 20. Nxb7 Bg4 21. Nxd8 Bxd1 22. Nxc6 Qh5 23. Bd2 Bxb3 24. Nxa5 Be6 25. Nc6 Bh3 26. Ne5 Bxg2 27. Kxg2 Nd5 28. Rfe1 f6 29. Nd7 Re8 30. Nc5 Qf3+ 31. Kg1 h5 32. h4 e3 33. Bxe3 Nxe3 34. Rxe3 Rxe3 35. fxe3 Qxg3+ 36. Kf1 Qf3+ 37. Kg1 Qxe3+ 38. Kf1 Qxd4 0-1

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.02"]
[Round "4"]
[White "Heimann, Mark A"]
[Black "Lee, Yesun"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2440"]
[BlackElo "1765"]
[PlyCount "81"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Be7 8. b4 0-0 9. e3 Na6 10. b5 cxb5 11. Nxb5 Bd7 12. Ne5 Rfc8 13. Nxd7 Nxd7 14. Bd2 Nf6 15. f3 Ne8 16. b4 Bd8 17. Bd3 Be7 18. Ke2 Rd8 19. Ra5 Nec7 20. Rha1 Nxb5 21. Bxb5 Nc7 22. Rxa7 Rxa7 23. Rxa7 Rb8 24. Bc6 bxc6 25. Rxc7 Bd8 26. Rxc6 Kf8 27. Ra6 Ke8 28. Kd3 Bc7 29. h3 Kd7 30. Kc3 e5 31. Kb3 exd4 32. exd4 Re8 33. Ra7 Kc6 34. b5+ Kxb5 35. Rxc7 Re2 36. Bc3 Rxg2 37. Rxf7 Rh2 38. Rxg7 Rxh3 39. Rf7 h5 40. Rf6 Rxf3 41. Rb6# 1-0

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.01"]
[Round "2"]
[White "Heimann, Mark A"]
[Black "Rishabh, Chandrashekhar Gokh"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2440"]
[BlackElo "1902"]
[PlyCount "31"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. a3 d6 6. h3 0-0 7. e4 b5 8. cxb5 a6 9. bxa6 Bxa6 10. Bxa6 Nxa6 11. 0-0 Nd7 12. Bg5 Ne5 13. Nxe5 Bxe5 14. Qc2 Qd7 15. Rac1 Qb7 16. Rfd1 1/2-1/2

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.01"]
[Round "1"]
[White "Maheshwari, Vedant"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1781"]
[BlackElo "2440"]
[PlyCount "115"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qa5+ 7. c3 Qxc5 8. Qa4+ Nc6 9. Qxe4 Bf5 10. Qa4 e5 11. Be3 Qd6 12. Rd1 Qg6 13. Qb5 Be7 14. Nf3 0-0 15. Nxe5 Nxe5 16. Qxe5 Bg5 17. Rd6 f6 18. Qd5+ Kh8 19. Bd3 Bxd3 20. Qxd3 Qf7 21. b3 Bxe3 22. fxe3 Qc7 23. 0-0 b5 24. Rd7 Qb6 25. Rf5 a6 26. Qd4 Qe6 27. Rf3 Qe8 28. Rh3 Rd8 29. Rxd8 Qxd8 30. e4 Qa5 31. Qb4 Qxb4 32. cxb4 Rd8 33. Re3 Kg8 34. Kf2 Kf7 35. a4 Rd4 36. axb5 axb5 37. Kf3 Rxb4 38. Rc3 h5 39. g3 Kg6 40. h3 h4 41. g4 Rd4 42. Kf4 b4 43. Rf3 Rd1 44. Ke3 Re1+ 45. Kd3 Rc1 46. Kd2 Rg1 47. Ke3 Rg2 48. Kd4 Rg3 49. Ke3 Rg1 50. Kf4 Kf7 51. e5 Ke6 52. exf6 gxf6 53. Rd3 Rb1 54. Ke4 Rb2 55. Kf4 Rf2+ 56. Ke4 Rh2 57. Kf4 Rf2+ 58. Ke4 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.18"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Wen, Teddie"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2426"]
[BlackElo "2328"]
[PlyCount "107"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Qg4 Ne7 7. Bd3 Ng6 8. Nf3 0-0 9. Qh5 Qe7 10. Nc3 Bd7 11. Bg5 Qe8 12. Be3 Be7 13. h4 Nc6 14. Rh3 f5 15. exf6 Rxf6 16. Bg5 Nf8 17. Qxe8 Rxe8 18. Bxf6 Bxf6 19. Rh1 Ne7 20. 0-0-0 Rc8 21. Rhe1 Bxc3 22. bxc3 Rxc3 23. Ne5 Be8 24. Kb2 Rc7 25. c4 Nfg6 26. Nxg6 Bxg6 27. Bxg6 hxg6 28. Rxe6 dxc4 29. a4 Kf7 30. Re4 Nc8 31. Rdd4 Nb6 32. a5 Na4+ 33. Kc2 b5 34. axb6 Nxb6 35. Rd6 Rc5 36. Rf4+ Rf5 37. Rxf5+ gxf5 38. Rc6 g6 39. Rc7+ Kf6 40. Rxa7 Nd5 41. Ra4 Nf4 42. g3 Nd3 43. f4 Kg7 44. Rxc4 Nf2 45. Rc3 Kh6 46. Rf3 Ng4 47. Kd3 Kh5 48. Kd4 Nf6 49. Ke5 Ne4 50. Ra3 Nf2 51. Kf6 Kh6 52. Kf7 Kh5 53. Ra6 Ne4 54. Rxg6 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.17"]
[Round "6"]
[White "Heimann, Mark A"]
[Black "Gutla, Aryan"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "2426"]
[BlackElo "2344"]
[PlyCount "148"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6 7. Bxf6 exf6 8. Bb5 Bd7 9. Qd2 Bg7 10. 0-0-0 0-0 11. Nb3 a6 12. Bxc6 Bxc6 13. Rhe1 f5 14. Nd4 fxe4 15. Nxe4 Bxe4 16. Rxe4 d5 17. Re2 Qh4 18. f4 Qxh2 19. Qe3 Bxd4 20. Rxd4 Rae8 21. Qxe8 Rxe8 22. Rxe8+ Kg7 23. Re2 h5 24. f5 gxf5 25. c3 f4 26. Rd3 Kg6 27. Kc2 f5 28. Rf2 Qh4 29. Rfd2 Qg4 30. Rf2 Qh4 31. Rfd2 Qg4 32. Rh3 Kf6 33. Rf3 Kg6 34. Kb3 Kh6 35. Rdf2 Qg8 36. Ka3 Qf8+ 37. Kb3 Qg8 38. Ka3 Qf8+ 39. b4 Qc8 40. Kb2 d4 41. a3 a5 42. cxd4 axb4 43. Rc2 bxa3+ 44. Rxa3 Qd7 45. Rd2 Qd5 46. Rc3 Qb5+ 47. Kc1 Qd5 48. Kd1 b6 49. Ke1 Kg5 50. Kf2 Qa5 51. Rcd3 Qd5 52. Kg1 b5 53. Kh2 h4 54. Kh3 Kh5 55. Rf3 Kg5 56. Rfd3 Kf6 57. Rb2 Qe4 58. Rbb3 b4 59. d5 Ke7 60. d6+ Kd7 61. Rf3 Kxd6 62. Kxh4 Qe7+ 63. Kh5 Qh7+ 64. Kg5 Ke5 65. Rbd3 Qg7+ 66. Kh5 Qxg2 67. Rh3 Qg8 68. Kh6 Qg4 69. Kh7 Qg5 70. Rhf3 Kf6 71. Rd6+ Kf7 72. Rd7+ Kf8 73. Rh3 Qg8+ 74. Kh6 Qe6+ 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.16"]
[Round "5"]
[White "Costello, Alexander"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2186"]
[BlackElo "2426"]
[PlyCount "90"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Bd6 5. Bb2 0-0 6. d4 b6 7. Nbd2 Bb7 8. Bd3 Ne4 9. 0-0 Nd7 10. cxd5 exd5 11. Ne5 Qe7 12. f4 Nxd2 13. Qxd2 f6 14. Nf3 Rfe8 15. Kf2 Nf8 16. g4 c5 17. Rac1 Ne6 18. h4 cxd4 19. Nxd4 Nc5 20. g5 Ba6 21. Rxc5 Bxd3 22. Qxd3 Bxc5 23. Rg1 g6 24. h5 Kf7 25. b4 Bxd4 26. Qxd4 Rac8 27. Qxd5+ Qe6 28. Qxe6+ Kxe6 29. Bxf6 gxh5 30. Kf3 Rc2 31. e4 Kf7 32. f5 h4 33. Rh1 h6 34. Rxh4 hxg5 35. Bxg5 Rxa2 36. Rh7+ Kg8 37. Rd7 Ra1 38. f6 Re6 39. e5 Rf1+ 40. Ke4 a5 41. bxa5 bxa5 42. Ra7 Re1+ 43. Kf5 R1xe5+ 44. Kg6 Rxg5+ 45. Kxg5 Re1 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.16"]
[Round "4"]
[White "Heimann, Mark A"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2426"]
[BlackElo "2566"]
[PlyCount "62"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Bd6 13. Bg5 Rdf8 14. Qe2 h6 15. Bd2 Qd5 16. Qe4 Rf5 17. Re8+ Rxe8 18. Qxe8+ Nd8 19. Qg6 Rf7 20. b3 Qe6 21. Qd3 Nc6 22. Nxd4 Bxh2+ 23. Kxh2 Qd6+ 24. Kg1 Qxd4 25. Qxd4 Nxd4 26. c3 Ne2+ 27. Kf1 Ng3+ 28. Ke1 Re7+ 29. Kd1 Nf5 30. Kc2 h5 31. Kd3 Rd7+ 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.15"]
[Round "3"]
[White "Ai, Evan Zihao"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2055"]
[BlackElo "2426"]
[PlyCount "133"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. c3 cxd4 7. cxd4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Nd7 12. 0-0 Nf6 13. Bc2 0-0 14. Ne5 b6 15. Rfe1 Bb7 16. Re3 Rc8 17. Rg3 Be4 18. Qg5 Bg6 19. Bxg6 hxg6 20. Qe3 Qd5 21. b3 Rfd8 22. h3 Rc2 23. Rc1 Qxd4 24. Rxc2 Qd1+ 25. Kh2 Qxc2 26. a4 Ne4 27. Rg4 Nd2 28. Qf4 Qc7 29. Rh4 Rc8 30. Qxd2 Qxe5+ 31. g3 g5 32. Rd4 Qf5 33. Rd8+ Rxd8 34. Qxd8+ Kh7 35. Qd4 Qf3 36. b4 e5 37. Qd2 f5 38. Qxg5 Qxf2+ 39. Kh1 Qf3+ 40. Kh2 e4 41. g4 fxg4 42. Qh5+ Kg8 43. Qd5+ Qf7 44. Qd8+ Kh7 45. Qh4+ Kg6 46. Qxg4+ Kh6 47. Qh4+ Kg6 48. Qxe4+ Qf5 49. Qc6+ Kg5 50. Qg2+ Kf6 51. Qc6+ Qe6 52. Qf3+ Ke7 53. Qb7+ Qd7 54. Qe4+ Kf6 55. Qf3+ Ke5 56. Qe3+ Kf5 57. Qf3+ Kg5 58. Qg3+ Kh6 59. Qf4+ Kh7 60. b5 Qd3 61. h4 Kg6 62. Qg4+ Kf6 63. Qf4+ Ke6 64. Qg4+ Kf7 65. Qf4+ Ke6 66. Qg4+ Kf7 67. Qd1 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.15"]
[Round "2"]
[White "Heimann, Mark A"]
[Black "Deng, Henry"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2426"]
[BlackElo "2163"]
[PlyCount "115"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Bb7 9. c4 Nb4 10. Bd2 c5 11. Bxb4 Bxe4 12. Bc3 Bc6 13. h4 Be7 14. Qg4 0-0 15. 0-0-0 f5 16. Qh3 Qc7 17. Bd3 Rae8 18. Rhe1 d5 19. exd6 Bxd6 20. g3 Bd7 21. g4 Bf4+ 22. Kb1 Ba4 23. b3 Qb7 24. Bc2 Bc6 25. gxf5 e5 26. Rd6 Bg2 27. Qg4 Bf3 28. Qg1 Qc7 29. Rd3 Qc6 30. Kb2 Re7 31. Bd2 Bxd2 32. Rxd2 e4 33. Qg5 Re5 34. Rd8 Rxd8 35. Qxd8+ Kf7 36. Qa5 a6 37. b4 Qf6 38. Kb1 cxb4 39. Qxb4 Qxf5 40. Qb7+ Re7 41. Qxa6 Qc5 42. Re3 Qb4+ 43. Kc1 Rd7 44. Qb5 Qd2+ 45. Kb1 g6 46. c5 Rd4 47. Qb3+ Kf6 48. Qc3 Ke5 49. c6 Qxc3 50. Rxc3 Bg4 51. a4 Rd2 52. Rc4 Rxf2 53. Rxe4+ Kd6 54. Rxg4 Kxc6 55. Rb4 Kc5 56. Rb7 Rh2 57. Rxh7 g5 58. hxg5 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2023.06.14"]
[Round "1"]
[White "Glashausser, Sho"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1953"]
[BlackElo "2426"]
[PlyCount "68"]
[EventDate "2023.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. d4 e6 9. 0-0 Rc8 10. a4 Be7 11. Re1 Qb6 12. d5 exd5 13. exd5 0-0 14. axb5 axb5 15. Na3 Ba6 16. Bd3 c4 17. Bf5 Rfe8 18. Be3 Qb7 19. Nc2 Ra8 20. Nb4 Nc5 21. Nd4 g6 22. Bg4 Nd3 23. Nxd3 cxd3 24. Qd1 Nxg4 25. Qxg4 Qxd5 26. Bh6 Bf6 27. Rxe8+ Rxe8 28. Qd7 Rd8 29. Re1 Qa8 30. Qc7 Bb7 31. f3 Re8 32. Rd1 Qa4 33. Rxd3 Qa1+ 34. Kf2 Qe1# 0-1

[Event "CAN Transnational Classic"]
[Site "Montreal"]
[Date "2023.06.11"]
[Round "9"]
[White "Bartel, Mateusz"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2609"]
[BlackElo "2426"]
[PlyCount "79"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. a4 Be7 6. a5 a6 7. Bc4 0-0 8. 0-0 b5 9. axb6 cxb6 10. h3 Bb7 11. Nc3 b5 12. Ba2 h6 13. Nd5 Nxd5 14. Bxd5 Qd7 15. c3 Bf6 16. Nh2 Ne7 17. Bb3 d5 18. Ng4 Qd6 19. f4 dxe4 20. fxe5 Bxe5 21. d4 Bg3 22. Rf6 Bh2+ 23. Kh1 Qg3 24. Rf1 e3 25. Qe2 Ng6 26. Nxh2 Rae8 27. d5 Nf4 28. Qg4 Qxg4 29. Nxg4 e2 30. Bxf4 exf1Q+ 31. Rxf1 Re2 32. Bc1 Rfe8 33. Ne3 R2xe3 34. Bxe3 Rxe3 35. d6 Rxh3+ 36. Kg1 Rd3 37. Rxf7 Bd5 38. Rf3 Rd2 39. Rf2 Rd3 40. Bc2 1-0

[Event "CAN Transnational Classic"]
[Site "Montreal"]
[Date "2023.06.11"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Neiksans, Arturs"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2426"]
[BlackElo "2605"]
[PlyCount "83"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qg4 Nf6 8. Qg3 d6 9. Nc3 Nc6 10. Bd2 b5 11. a3 Ne5 12. Be2 Ng6 13. h4 h5 14. 0-0-0 Bb7 15. Bg5 Qc7 16. Rxd6 Rc8 17. Rhd1 0-0 18. Bxf6 gxf6 19. Bxh5 Bxe4 20. Bxg6 fxg6 21. Rxe6 Qxg3 22. fxg3 Bxg2 23. Rxa6 Bf2 24. Rd3 Rc4 25. Nd1 Be4 26. Nxf2 Bxd3 27. Nxd3 Rg4 28. Nbc5 Rf7 29. Nf4 Rxg3 30. h5 g5 31. Nd5 Kg7 32. Ne4 Rg1+ 33. Kd2 g4 34. Ndxf6 g3 35. Ra8 Re7 36. h6+ Kg6 37. h7 Rd1+ 38. Kxd1 g2 39. Rg8+ Rg7 40. h8N+ Kh6 41. Nf7+ Kg6 42. Ne5+ 1-0

[Event "CAN Transnational op"]
[Site "Montreal"]
[Date "2023.06.10"]
[Round "7"]
[White "Heimann, Mark A"]
[Black "Cruz, Cristhian"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2426"]
[BlackElo "2522"]
[PlyCount "63"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd3 Be7 8. 0-0-0 0-0 9. f4 Qb6 10. Nxc6 bxc6 11. e5 dxe5 12. fxe5 Nd5 13. h4 Qc7 14. Bxe7 Qxe7 15. Ne4 a5 16. Ng5 f5 17. exf6 gxf6 18. Ne4 e5 19. Qc4 Be6 20. Qc5 Qxc5 21. Nxc5 Bg4 22. Rd2 Kh8 23. Bc4 Nf4 24. Nd7 Bxd7 25. Rxd7 Rad8 26. Ra7 Nxg2 27. Rg1 Ne3 28. Bd3 e4 29. Bxe4 f5 30. Bxc6 Rg8 31. Rxg8+ Kxg8 32. Ra8 1-0

[Event "CAN Transnational op"]
[Site "Montreal"]
[Date "2023.06.10"]
[Round "6"]
[White "Meskovs, Nikita"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2573"]
[BlackElo "2426"]
[PlyCount "79"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bf5 5. d3 h6 6. c4 Nbd7 7. Nc3 e6 8. Bf4 Be7 9. cxd5 exd5 10. e4 dxe4 11. dxe4 Nxe4 12. Nd4 Nxc3 13. bxc3 Bg6 14. Re1 0-0 15. Bxc6 Qc8 16. Bg2 Bf6 17. Nb5 Nc5 18. Re3 Ne6 19. Nd6 Qd7 20. Nxb7 Qxd1+ 21. Rxd1 Nxf4 22. gxf4 Rac8 23. f5 Bxf5 24. Nd6 Rc5 25. Rd5 Rxd5 26. Bxd5 Rd8 27. Bxf7+ Kf8 28. Nxf5 Kxf7 29. c4 Rd2 30. Ra3 Kg6 31. Ne3 Bh4 32. Ng4 h5 33. Ne5+ Kf5 34. Nd3 Ke4 35. Nc5+ Kf5 36. Rf3+ Ke5 37. Re3+ Kf5 38. Rf3+ Ke5 39. Re3+ Kf5 40. Rf3+ 1/2-1/2

[Event "CAN Transnational op"]
[Site "Montreal"]
[Date "2023.06.09"]
[Round "5"]
[White "Heimann, Mark A"]
[Black "Jaferian, Koosha"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2426"]
[BlackElo "2201"]
[PlyCount "109"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 Qb6 5. Qc1 e6 6. Nd2 c5 7. Ngf3 Nc6 8. c3 cxd4 9. Nxd4 Nxd4 10. Bxd4 Bc5 11. Nb3 Bxd4 12. Nxd4 Bg6 13. Bb5+ Kf8 14. a4 a6 15. a5 Qc7 16. Qf4 Nf6 17. Ba4 Kg8 18. f3 h6 19. h4 h5 20. Qe3 Nd7 21. Bxd7 Qxd7 22. Kf2 Qc7 23. Qg5 Re8 24. Ra4 Kh7 25. Re1 Rhf8 26. Qe3 Rb8 27. g4 hxg4 28. h5 Bf5 29. Nxf5 exf5 30. Qd3 Qc5+ 31. Rd4 g6 32. fxg4 fxg4 33. Kg2 Qb5 34. hxg6+ fxg6 35. Qxb5 axb5 36. Rxd5 b6 37. a6 Ra8 38. Ra1 Rfe8 39. Rxb5 Re6 40. Kg3 Ra7 41. Kxg4 Kg7 42. Kg5 Rc6 43. Rd5 Re6 44. Rf1 Rxa6 45. Rf6 Re7 46. Rxg6+ Kf7 47. Kf5 Ra1 48. Rxb6 Rf1+ 49. Ke4 Re1+ 50. Kd4 Rd1+ 51. Kc5 Re1 52. Rbd6 Re8 53. c4 Rc8+ 54. Rc6 Ra8 55. b4 1-0

[Event "CAN Transnational op"]
[Site "Montreal"]
[Date "2023.06.09"]
[Round "4"]
[White "Preotu, Razvan"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2475"]
[BlackElo "2426"]
[PlyCount "73"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Be2 g6 9. 0-0 Bg7 10. Be3 0-0 11. Nd2 Nd4 12. Nb3 Nxe2+ 13. Qxe2 Be6 14. Rfd1 Qc7 15. Rac1 Bxc4 16. Qd2 Rac8 17. Qxd6 Qxd6 18. Rxd6 b5 19. f3 Rfd8 20. Rxd8+ Rxd8 21. Nc5 Rd6 22. b3 Be6 23. Nxe6 fxe6 24. Nd1 Nh5 25. g3 Nf6 26. Kf2 Nd7 27. Ke2 Kf7 28. Nf2 Ke7 29. Rc8 Kf7 30. Nd3 Bf6 31. Bd2 Rb6 32. Rc7 Ke8 33. Ba5 Rd6 34. Bb4 Rb6 35. Nc5 Rd6 36. Nb7 Rd4 37. Bc3 1-0

[Event "CAN Transnational Classic"]
[Site "Montreal"]
[Date "2023.06.08"]
[Round "3"]
[White "Heimann, Mark A"]
[Black "Liang, Awonder"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2426"]
[BlackElo "2651"]
[PlyCount "76"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. Nc3 Nc6 9. Bg5 Qd7 10. Be2 h6 11. Be3 Bb7 12. 0-0 Be7 13. Qb1 Nb4 14. Ne4 Nd3 15. Ned2 Nd5 16. Nxc4 N3f4 17. Bd1 Qb5 18. Qc2 0-0 19. Qa4 Ba6 20. Nfd2 Bb4 21. Qxb5 Bxb5 22. b3 Nxe3 23. fxe3 Nd5 24. Rf3 c5 25. Ne4 cxd4 26. exd4 Bc6 27. Rg3 Be1 28. Rd3 Rad8 29. Ncd6 Nf4 30. Rf3 g5 31. Re3 Bb4 32. g3 f5 33. gxf4 gxf4 34. Rh3 fxe4 35. Rxh6 f3 36. Bc2 f2+ 37. Kf1 Bxd6 38. exd6 Bb5+ 0-1

[Event "CAN Transnational op"]
[Site "Montreal"]
[Date "2023.06.07"]
[Round "2"]
[White "Ortiz Suarez, Isan Reynaldo"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2503"]
[BlackElo "2426"]
[PlyCount "82"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 b6 10. a3 c4 11. b4 cxb3 12. Qxb3 Ba6 13. Nb2 Rc8 14. Kf2 Bxf1 15. Rhxf1 Be7 16. c4 dxc4 17. Qxc4 0-0 18. Bd2 b5 19. Qd3 Qd8 20. Be3 a6 21. f5 exf5 22. Qxf5 Nb6 23. Kg1 Qd5 24. Bf2 Qe6 25. Qe4 Qg6 26. Qe2 Nd5 27. Nd3 Na5 28. Be1 Nc4 29. Rf2 Nxa3 30. Bd2 Rc2 31. Nfe1 Rc7 32. Qf3 Rd7 33. Nf4 Nxf4 34. Bxf4 Rxd4 35. Bg3 b4 36. Qb7 Bc5 37. Kh1 Qh6 38. Qf3 a5 39. Re2 b3 40. Rb2 a4 41. Nd3 Nc4 0-1

[Event "CAN Transnational op"]
[Site "Montreal"]
[Date "2023.06.06"]
[Round "1"]
[White "Heimann, Mark A"]
[Black "Johnson, Donald"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2426"]
[BlackElo "2160"]
[PlyCount "85"]
[EventDate "2023.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. e6 fxe6 11. Be3 c5 12. dxc5 Qc7 13. Ne4 Nf6 14. Nxf6+ exf6 15. h4 Qf7 16. h5 g5 17. h6 Bh8 18. a4 bxa4 19. Rxa4 Nc6 20. Rg4 Rb8 21. Qc2 Rd8 22. Bc4 Nb4 23. Qe2 Kf8 24. 0-0 Nd5 25. c6 e5 26. Bc5+ Ke8 27. Re4 Be6 28. Bxa6 g4 29. Nd4 Nc7 30. Nxe6 Qxe6 31. Bb7 f5 32. Ra4 e4 33. Ba7 Ra8 34. Bxa8 Rxa8 35. Qc2 g3 36. Bb6 Qxh6 37. fxg3 Rxa4 38. Qxa4 Be5 39. Qc4 Ne6 40. Qd5 Qf6 41. Qd7+ Kf8 42. c7 Nxc7 43. Rxf5 1-0

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.26"]
[Round "9.1"]
[White "Wang, Justin"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2481"]
[BlackElo "2431"]
[PlyCount "66"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group C"]
[BlackTeam "Group B"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. Rb1 Bf5 7. d3 Qd7 8. h4 Nf6 9. a3 a5 10. Bg5 Rb8 11. Qd2 h6 12. Bxf6 Bxf6 13. Nd5 Bg7 14. b4 axb4 15. axb4 b5 16. bxc5 dxc5 17. Rxb5 Rxb5 18. cxb5 Qxd5 19. bxc6 Qxc6 20. h5 g5 21. 0-0 Qd6 22. Rc1 0-0 23. Qc2 Rc8 24. Nd2 Qe6 25. Ne4 Bg4 26. e3 Qb6 27. Rb1 Qd8 28. Nxc5 Bxh5 29. d4 e5 30. Bh3 Rc7 31. Qe4 exd4 32. Ra1 Qe7 33. Ra8+ Bf8 1/2-1/2

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.25"]
[Round "8.2"]
[White "Heimann, Mark A"]
[Black "Shlyakhtenko, Robert"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2431"]
[BlackElo "2426"]
[PlyCount "62"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group B"]
[BlackTeam "Group D"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. c4 e5 2. g3 c6 3. d4 e4 4. Nc3 d5 5. f3 Bb4 6. Qb3 Na6 7. cxd5 Nf6 8. Bg5 cxd5 9. a3 Bxc3+ 10. bxc3 0-0 11. Bg2 Be6 12. Bxf6 Qxf6 13. Qxb7 Nc5 14. Qb4 exf3 15. Nxf3 Ne4 16. Qb1 Rac8 17. 0-0 Rxc3 18. Ne5 Qg5 19. Rf4 Nxg3 20. hxg3 Rxg3 21. Rf2 Bh3 22. Qf1 Qe3 23. Kh1 Qh6 24. Kg1 Bxg2 25. Rxg2 Rh3 26. Qf5 Rh1+ 27. Kf2 Rxa1 28. Ng4 Qh4+ 29. Kf3 Rf1+ 30. Nf2 Qxd4 31. e3 Qe4+ 0-1

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.24"]
[Round "6.1"]
[White "Heimann, Mark A"]
[Black "Budisavljevic, Luka"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2431"]
[BlackElo "2492"]
[PlyCount "61"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group B"]
[BlackTeam "Group A"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 Be6 7. Qb3 Nbd7 8. e3 Rb8 9. Qc2 Bd6 10. Bd3 c6 11. 0-0 Qc7 12. Bh4 Bg4 13. Bg3 Bxf3 14. gxf3 c5 15. dxc5 Qxc5 16. Rfd1 Rd8 17. Qb3 Bxg3 18. hxg3 b5 19. Rac1 Qd6 20. Bxb5 axb5 21. Nxb5 Qe7 22. Nc7+ Kf8 23. Nxd5 Nxd5 24. Qxd5 Qe6 25. Qxe6 fxe6 26. Rxd7 Rxd7 27. Rc8+ Kf7 28. Rxh8 Rb7 29. b3 Ra7 30. Rxh7 Rxa2 31. Rh4 1-0

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.24"]
[Round "5.1"]
[White "Levine, Joseph1111"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2409"]
[BlackElo "2431"]
[PlyCount "107"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group D"]
[BlackTeam "Group B"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. Nf2 Ne7 13. Be3 Bc5 14. Bxc5 Qxc5 15. b3 d5 16. exd6 Ng6 17. g3 0-0 18. Bg2 Rd8 19. Qd2 Rxd6 20. Qe3 Qxe3+ 21. Kxe3 e5 22. fxe5 Nxe5 23. Rad1 Re6 24. Kd4 Bb7 25. Kc3 Rae8 26. Rhe1 Kf7 27. Re2 Kf6 28. Rde1 Bc8 29. Rf1 Nd7 30. Rxe6+ Rxe6 31. Ne4+ Ke5 32. Ng5 Rg6 33. Nf7+ Ke6 34. Nd8+ Kd6 35. Nxc6 Bb7 36. Rd1+ Kc7 37. Rxd7+ Kxd7 38. Ne5+ Kd6 39. Nxg6 Bxg2 40. Nf4 Bb7 41. Kd4 a5 42. a3 g5 43. Nd3 h5 44. b4 axb4 45. axb4 Bg2 46. b5 Bf1 47. Ne5 f4 48. Nf7+ Ke6 49. Nxg5+ Kf5 50. gxf4 Kxf4 51. Ne6+ Kg4 52. Nc7 Kh3 53. b6 Bg2 54. Nd5 1-0

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.23"]
[Round "3.2"]
[White "Heimann, Mark A"]
[Black "Kavutskiy, Konstantin"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2431"]
[BlackElo "2396"]
[PlyCount "100"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group B"]
[BlackTeam "Group C"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Na6 7. h4 h5 8. f3 c5 9. d5 Nc7 10. Qd2 b5 11. cxb5 a6 12. bxa6 Bxa6 13. Bh6 Bxh6 14. Qxh6 e6 15. dxe6 Nxe6 16. Qd2 Nd4 17. Kf2 Re8 18. Bxa6 Rxa6 19. Nge2 d5 20. exd5 Nxe2 21. Nxe2 Nxd5 22. a3 Rd6 23. Rad1 Ree6 24. Qc1 Qb6 25. Nc3 c4+ 26. Kg3 Ne3 27. Rxd6 Qxd6+ 28. Kh3 g5 29. g3 gxh4 30. Rg1 Qd7 31. Kh2 Kh7 32. Ne4 Rxe4 33. fxe4 Qd3 34. Qe1 Ng4+ 35. Kh3 Qf3 36. Rf1 Qd3 37. Rxf7+ Kg6 38. Rf4 Qc2 39. Qg1 Qxb2 40. e5 c3 41. e6 Qe2 42. Qg2 Qxe6 43. Kxh4 Ne3 44. Qe4+ Qxe4 45. Rxe4 c2 46. Re6+ Kf5 47. Rc6 Ke4 48. a4 Kd5 49. Rc3 Kd4 50. Rxc2 Ke5 1/2-1/2

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.23"]
[Round "4.2"]
[White "Heimann, Mark A"]
[Black "Sandoval Mercado, Carlos"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2431"]
[BlackElo "2322"]
[PlyCount "107"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group B"]
[BlackTeam "Group C"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nf6 6. e3 0-0 7. cxd5 exd5 8. Bd3 c5 9. Ne2 b6 10. 0-0 Ba6 11. Bxa6 Nxa6 12. f3 Re8 13. Ng3 Nc7 14. Qd3 Ne6 15. Bb2 h5 16. Nh1 Qc7 17. Nf2 Re7 18. e4 dxe4 19. fxe4 cxd4 20. cxd4 Rd8 21. Rae1 Qf4 22. d5 Nc5 23. Qd1 Ng4 24. Nxg4 Qxg4 25. e5 Qxd1 26. Rxd1 Rc7 27. Bc1 Rcd7 28. Bg5 Re8 29. Rfe1 f6 30. exf6 Rxe1+ 31. Rxe1 gxf6 32. Bxf6 Rxd5 33. Be7 Rd2 34. h3 Kf7 35. Bh4 a5 36. Re5 Ra2 37. Rxh5 Rxa3 38. Bf2 Rc3 39. Rh7+ Ke6 40. Rh6+ Kd5 41. Rxb6 Ne4 42. Bh4 a4 43. Ra6 Nc5 44. Ra8 a3 45. Bf6 Re3 46. h4 Re6 47. Bc3 Rh6 48. g3 Na6 49. Kg2 Ke4 50. h5 a2 51. Bg7 Rc6 52. Re8+ Kf5 53. Kh3 Rc5 54. h6 1-0

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.22"]
[Round "1.2"]
[White "Heimann, Mark A"]
[Black "Mikaelyan, Arman"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2431"]
[BlackElo "2496"]
[PlyCount "106"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group B"]
[BlackTeam "Group A"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Qb6 7. Nb3 Qd8 8. Nc3 Nf6 9. Be2 0-0 10. 0-0 d6 11. Qd2 a5 12. f3 a4 13. Nd4 Nxd4 14. Bxd4 Qa5 15. Rfd1 Be6 16. Nd5 Bxd5 17. exd5 Nd7 18. Qxa5 Rxa5 19. f4 Nc5 20. Bf1 Rc8 21. Bxg7 Kxg7 22. Re1 Rc7 23. Re3 Ra6 24. Rc1 Rb6 25. Rc2 Na6 26. Rd2 Rb4 27. Kf2 f5 28. Kf3 Nc5 29. g4 Kf7 30. Rg2 fxg4+ 31. Kxg4 Nd7 32. Kg5 Nf6 33. f5 Rcxc4 34. Bxc4 Rxc4 35. fxg6+ hxg6 36. Rf3 Rd4 37. Rf4 Rxd5+ 38. Kh4 b5 39. Rb4 e5 40. Rf2 Rc5 41. h3 Kg7 42. Re2 Kh6 43. Kg3 Kg5 44. Kf2 Kf5 45. Ke1 Nd5 46. Rh4 Nf4 47. Rd2 d5 48. Rh8 d4 49. Kf2 Ke4 50. h4 Rc1 51. Rb8 Nd3+ 52. Kg3 Ke3 53. Rh2 Nf4 0-1

[Event "Los Angeles 1000GM GM 02"]
[Site "Los Angeles"]
[Date "2023.02.22"]
[Round "2.2"]
[White "Stearman, Josiah P"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2366"]
[BlackElo "2431"]
[PlyCount "114"]
[EventDate "2023.02.22"]
[EventType "team-schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Group D"]
[BlackTeam "Group B"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. a3 Be7 6. e4 d5 7. Qc2 dxe4 8. Nxe4 Nc6 9. Be3 Nxe4 10. Qxe4 f5 11. Qd3 Bf6 12. 0-0-0 b6 13. Bf4 Bb7 14. Qe3 Qe7 15. d5 exd5 16. cxd5 Qxe3+ 17. fxe3 Ne7 18. Bc4 Kh8 19. h4 b5 20. Bb3 Rac8 21. h5 Rfd8 22. h6 Bxd5 23. hxg7+ Kxg7 24. Bc2 Be6 25. Rdf1 Bc4 26. Re1 c5 27. g4 Bd5 28. Ref1 Ng6 29. Bxf5 Rc6 30. Bxg6 Kxg6 31. g5 Bg7 32. Nh4+ Kf7 33. Bc7+ Ke8 34. Bxd8 Bxh1 35. Rxh1 Kxd8 36. Nf5 Rc7 37. Rd1+ Ke8 38. Nd6+ Ke7 39. Nxb5 Rb7 40. a4 a6 41. Nc3 Bxc3 42. bxc3 Ke6 43. e4 Ke5 44. Rd5+ Kxe4 45. Rxc5 Kd3 46. Rc6 Rb3 47. Rxa6 Rxc3+ 48. Kb2 Rc5 49. g6 hxg6 50. Rxg6 Kc4 51. Rg4+ Kd5 52. a5 Kc6 53. a6 Kb6 54. Rg6+ Ka7 55. Kb3 Ra5 56. Kb4 Rxa6 57. Rxa6+ Kxa6 1/2-1/2

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.11"]
[Round "9"]
[White "Gedajlovic, Max"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2398"]
[BlackElo "2424"]
[PlyCount "7"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 1/2-1/2

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.11"]
[Round "8"]
[White "Heimann, Mark A"]
[Black "Cordova, Emilio"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2424"]
[BlackElo "2542"]
[PlyCount "12"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 1/2-1/2

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.10"]
[Round "7"]
[White "Heimann, Mark A"]
[Black "Belous, Vladimir"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2424"]
[BlackElo "2517"]
[PlyCount "12"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 1/2-1/2

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.10"]
[Round "6"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Heimann, Mark A"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2391"]
[BlackElo "2424"]
[PlyCount "49"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 8. Nf3 0-0 9. d4 d5 10. c3 Nh4 11. Nxh4 Bxh4 12. Nd2 Bf6 13. Bd3 Ne7 14. Qc2 g6 15. Nf3 c6 16. Bf4 Bf5 17. a4 a5 18. h3 Bxd3 19. Qxd3 Nf5 20. Re2 Re8 21. Rae1 Rxe2 22. Rxe2 Ng7 23. Ne5 Ne6 24. Bg3 Bg5 25. Re1 1/2-1/2

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.09"]
[Round "5"]
[White "Heimann, Mark A"]
[Black "Stearman, Josiah P"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2424"]
[BlackElo "2386"]
[PlyCount "103"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. cxd5 Nxd5 8. Qb3 e5 9. Bd3 N7b6 10. 0-0 Be6 11. Qd1 exd4 12. exd4 Nxc3 13. bxc3 Qxc3 14. Re1 Bd6 15. Bh4 h6 16. Bf5 0-0 17. Bxe6 fxe6 18. Rxe6 Bc7 19. Rc1 Qa5 20. Qe2 Qh5 21. Re1 Nd5 22. Bg3 Ba5 23. Rc1 Rae8 24. Re5 Bc7 25. Re4 Rxe4 26. Qxe4 Re8 27. Qb1 Bf4 28. Rc5 Qf7 29. Ne5 Bxe5 30. Bxe5 Nb6 31. Ra5 Nc4 32. Rxa7 Nxe5 33. dxe5 Rxe5 34. h3 Re2 35. Ra8+ Re8 36. Rxe8+ Qxe8 37. Qxb7 Qe1+ 38. Kh2 Qxf2 39. Qb8+ Kh7 40. a4 Qa2 41. Qb4 c5 42. Qe4+ Kh8 43. Qe8+ Kh7 44. Qe4+ Kh8 45. Qa8+ Kh7 46. a5 c4 47. a6 c3 48. a7 Qa4 49. Qb8 c2 50. a8Q Qxa8 51. Qxa8 c1Q 52. Qe4+ 1/2-1/2

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.09"]
[Round "4"]
[White "Katz, Alexander R"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2449"]
[BlackElo "2424"]
[PlyCount "79"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. Nd5 Nxd5 11. exd5 Bf5 12. Na5 Qc7 13. Rc1 Rc8 14. c4 e4 15. Be2 exf3 16. Bxf3 Ne5 17. 0-0 Be7 18. c5 Nxf3+ 19. Rxf3 Bg4 20. Rff1 dxc5 21. h3 Bd7 22. Bf4 Bd6 23. Bxd6 Qxd6 24. Nxb7 Qb6 25. Qe3+ Kf8 26. Nxc5 Kg8 27. Qe7 Be8 28. d6 Rh6 29. Qb7 Qxb7 30. Nxb7 Rc6 31. Rxc6 Bxc6 32. Rd1 Rg6 33. d7 Rxg2+ 34. Kf1 Bxd7 35. Kxg2 Bc6+ 36. Kg3 Bxb7 37. Rd8+ Kh7 38. Rd7 Bc8 39. Rxf7 Be6 40. Ra7 1-0

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.08"]
[Round "3"]
[White "Heimann, Mark A"]
[Black "Kunka, Harshid"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2424"]
[BlackElo "2391"]
[PlyCount "89"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Ne7 7. Nbd2 Nc8 8. Nb3 Be7 9. a4 0-0 10. a5 a6 11. Re1 Na7 12. h3 c5 13. c4 Nc6 14. cxd5 exd5 15. dxc5 Nxc5 16. Nbd4 Bg6 17. Be3 Ne6 18. Nxc6 bxc6 19. Bb6 Qd7 20. Qa4 Qb7 21. Nd4 Nxd4 22. Qxd4 f6 23. e6 Bd6 24. Bg4 Rfe8 25. Rac1 Rac8 26. f4 f5 27. Bf3 Re7 28. g3 Rf8 29. Re3 Rf6 30. Bd8 Be8 31. Bxe7 Qxe7 32. Kf1 Bb8 33. Qd3 Ba7 34. Re2 Rh6 35. Kg2 Bb8 36. Qxf5 Rf6 37. Qd3 h5 38. Qxa6 Rg6 39. Rc3 d4 40. Rb3 Rxg3+ 41. Kxg3 Bxf4+ 42. Kg2 Qg5+ 43. Kf1 Qg3 44. Qc8 Qxh3+ 45. Bg2 1-0

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.08"]
[Round "2"]
[White "Narayanan, Samrug"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2356"]
[BlackElo "2424"]
[PlyCount "130"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 Ngf6 6. Re1 b5 7. c4 Ne5 8. Nxe5 dxe5 9. Bf1 Bg4 10. Qc2 b4 11. a3 a5 12. d3 Bd7 13. b3 e6 14. Bb2 Bd6 15. Nd2 Bc6 16. axb4 axb4 17. Rxa8 Bxa8 18. Ra1 Nd7 19. Ra6 Bc7 20. Qd1 Bb7 21. Ra7 Qc8 22. Ra1 f6 23. Qh5+ Ke7 24. Qg4 Kf7 25. Qh5+ g6 26. Qh6 Bd6 27. g3 Bf8 28. Qe3 g5 29. h3 h5 30. Qe2 Nb8 31. Qd1 Nc6 32. Bg2 Bd6 33. Nf3 Qc7 34. Bc1 Kg6 35. Be3 Be7 36. Qc1 Rd8 37. Bf1 Rd7 38. Ra2 Qd8 39. Qb2 Kf7 40. Qe2 Qg8 41. Bc1 g4 42. hxg4 hxg4 43. Nd2 Nd4 44. Qe1 Bf8 45. Bb2 Nf3+ 46. Nxf3 gxf3 47. Bh3 Rxd3 48. Ra7 Rd7 49. Qe3 Qh7 50. Kh2 Ke8 51. Rxb7 Rxb7 52. Qxf3 Qh6 53. Kg2 Ke7 54. Qg4 Rb6 55. Qd1 Qg6 56. Qb1 Bh6 57. Kg1 Ra6 58. Bf1 Qg5 59. Kg2 Qd2 60. Kg1 Kf7 61. Bh3 Kg6 62. Bg4 Rd6 63. Qa1 Be3 64. fxe3 Qxe3+ 65. Kh1 Qxe4+ 0-1

[Event "Bay Area GM"]
[Site "San Jose"]
[Date "2022.12.07"]
[Round "1"]
[White "Heimann, Mark A"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2424"]
[BlackElo "2543"]
[PlyCount "73"]
[EventDate "2022.12.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 h6 8. Bh4 c6 9. Qc2 Nbd7 10. Nf3 Re8 11. 0-0 Ne4 12. Bxe7 Qxe7 13. b4 a6 14. a4 Nb6 15. Ne5 Nf6 16. Rfb1 Be6 17. Ne2 Nfd7 18. Nxd7 Bxd7 19. Nf4 Rac8 20. Qc5 Qd8 21. Qa5 Ra8 22. h3 Be6 23. Rc1 Nd7 24. Qxd8 Rexd8 25. Be2 Bf5 26. b5 axb5 27. axb5 Rxa1 28. Rxa1 g5 29. Nd3 Bxd3 30. Bxd3 c5 31. Ra7 cxd4 32. exd4 Rb8 33. f4 gxf4 34. Kf2 Nf8 35. Bf5 Kg7 36. Kf3 Ng6 37. Bxg6 1/2-1/2

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.30"]
[Round "9"]
[White "Heimann, Mark A"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "D63"]
[WhiteElo "2408"]
[BlackElo "2515"]
[PlyCount "225"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 h6 6. Bh4 0-0 7. e3 Nbd7 8. Rc1 c6 9. a3 a6 10. Bd3 dxc4 11. Bxc4 b5 12. Bd3 c5 13. Ne4 c4 14. Bb1 Nxe4 15. Bxe4 Ra7 16. Bxe7 Qxe7 17. 0-0 Rc7 18. Qd2 Qd6 19. Rfd1 Rd8 20. Bb1 Bb7 21. e4 Nf8 22. Ne5 f6 23. Nf3 Rcd7 24. a4 e5 25. Qa5 Qc6 26. d5 Qc7 27. Qb4 Qd6 28. Qa5 Qc7 29. Qb4 Qd6 30. Qxd6 Rxd6 31. axb5 axb5 32. b3 Ba6 33. bxc4 bxc4 34. Ba2 Rc8 35. Rc2 Ne6 36. Rdc1 Nc5 37. Bxc4 Nxe4 38. Ba2 Rxc2 39. Rxc2 Rd7 40. Rc7 Rxc7 41. d6+ Kf8 42. dxc7 Ke7 43. Nh4 Bc8 44. f4 Nc3 45. Ng6+ Kd7 46. Bc4 e4 47. Kf2 Kxc7 48. Ke3 Kd6 49. Kd4 Nb1 50. Ba2 Nd2 51. h3 Nf1 52. g4 h5 53. gxh5 Ng3 54. Nh8 Bb7 55. Bf7 Nf5+ 56. Kc3 Ke7 57. Bc4 Bc6 58. Ng6+ Kd6 59. Be2 Ng3 60. Kd2 Nf5 61. Bg4 Nh6 62. Nh4 Bd7 63. Ke3 f5 64. Be2 Ng8 65. Bc4 Nh6 66. Kd4 Be6 67. Be2 Ng8 68. Ng6 Nf6 69. Ne5 Nd5 70. Nc4+ Ke7 71. Ke5 Nb4 72. Kd4 Nd5 73. Ke5 Nb4 74. Kd4 Kf6 75. Ne3 Bf7 76. Bg4 Be6 77. Be2 Na2 78. Nf1 Nc1 79. Ng3 Nb3+ 80. Ke3 Na5 81. Bb5 Nb7 82. Kd4 Nd6 83. Ba6 Bd7 84. Kd5 Ne8 85. Be2 Be6+ 86. Kc6 Ke7 87. Kc5 Nc7 88. Kd4 Kf6 89. Bc4 Bd7 90. Kc5 Ba4 91. Kd6 Ne8+ 92. Kc5 Bd1 93. Bb5 Nc7 94. Bc4 Bc2 95. Kd6 Bd3 96. Kc5 Ne8 97. Kd4 Nc7 98. Bb3 Nb5+ 99. Ke3 Na7 100. Bd5 Bc2 101. Bc4 Nc6 102. Bd5 Nb4 103. Bc4 Bd1 104. Kd2 Bf3 105. Kc3 Nc6 106. Bf1 Ne7 107. Kd4 g6 108. hxg6 Nxg6 109. Ke3 Nh4 110. Kd4 Ke6 111. Bc4+ Kd6 112. Bf1 Bd1 113. Ba6 1/2-1/2

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.29"]
[Round "7"]
[White "Heimann, Mark A"]
[Black "Ghaem Maghami, Ehsan"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2408"]
[BlackElo "2511"]
[PlyCount "42"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bd3 Bb7 8. Qc2 Nbd7 9. a4 b4 10. Ne4 c5 11. Nxf6+ Nxf6 12. dxc5 Qd5 13. 0-0 Qxc5 14. Qxc5 Bxc5 15. Ne5 0-0 16. b3 Bd5 17. Bc4 Bxc4 18. Nxc4 Rfd8 19. Bb2 Ne4 20. Rfd1 f6 21. Kf1 Be7 1/2-1/2

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.29"]
[Round "8"]
[White "Mikaelyan, Arman"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2556"]
[BlackElo "2408"]
[PlyCount "64"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 c6 8. e4 d5 9. Qc2 c5 10. cxd5 Bxf1 11. Kxf1 exd5 12. exd5 cxd4 13. Nxd4 0-0 14. Nf5 Bb4 15. Rd1 g6 16. Ne3 Nbd7 17. Kg2 Rc8 18. Qd3 Re8 19. Nc4 Ne5 20. Nxe5 Rxe5 21. Qd4 Qd6 22. f4 Ree8 23. Rhe1 Rxe1 24. Bxe1 Bxc3 25. Bxc3 Qxd5+ 26. Qxd5 Nxd5 27. Bd4 Rc2+ 28. Kf3 Rxa2 29. Ke4 Ra5 30. Rc1 Kf8 31. Bc5+ Rxc5 32. Rxc5 Nf6+ 0-1

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.28"]
[Round "6"]
[White "Beukes, Dante M"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2299"]
[BlackElo "2408"]
[PlyCount "82"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Qb6 10. 0-0 Rc8 11. Kh1 Na5 12. g4 Ne7 13. Nfe1 Bb5 14. Nd3 Nec6 15. b4 Bxd3 16. Bxd3 Nc4 17. Bxc4 dxc4 18. a3 Ne7 19. Be3 Qc6+ 20. Kg1 h5 21. g5 Qe4 22. Ne1 Qg4+ 23. Qxg4 hxg4 24. f3 Nd5 25. Bf2 Be7 26. g6 fxg6 27. fxg4 Bg5 28. Nf3 Bf4 29. Bg3 Be3+ 30. Bf2 Rh3 31. Bxe3 Nxe3 32. Ng5 Nxf1 33. Nxh3 Nd2 34. Nf2 c3 35. Nd3 Nb3 36. Re1 Nxd4 37. Kf2 b6 38. Nc1 Nc2 39. Re2 Nxa3 40. Ra2 Nb5 41. Ke3 Rc4 0-1

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.28"]
[Round "5"]
[White "Heimann, Mark A"]
[Black "Kevlishvili, Robby"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2408"]
[BlackElo "2536"]
[PlyCount "74"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nc6 4. Bg2 d4 5. 0-0 Bc5 6. e3 Nge7 7. Ng5 Nf5 8. Ne4 Be7 9. d3 0-0 10. Qe2 e5 11. a3 a5 12. b3 Be6 13. Bb2 Qd7 14. Nbd2 Rad8 15. Nf3 dxe3 16. Nxe5 Nxe5 17. Bxe5 Qxd3 18. Qb2 c6 19. fxe3 f6 20. Bc7 Rd7 21. Nf2 Qd2 22. Qxd2 Rxd2 23. Bxa5 Rb2 24. Bh3 Rxb3 25. Rfb1 Rxb1+ 26. Rxb1 Bxa3 27. Rxb7 Re8 28. Bb6 Nxe3 29. Bxe3 Bxh3 30. Rb3 Bc5 31. Nxh3 Rxe3 32. Rxe3 Bxe3+ 33. Kg2 g5 34. Kf3 Bc5 35. Ke4 Kf7 36. Kf5 h6 37. g4 Ba7 0-1

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.27"]
[Round "3"]
[White "Heimann, Mark A"]
[Black "Dukic, Zachary"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2408"]
[BlackElo "2254"]
[PlyCount "65"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. dxc5 d4 5. Nb1 e5 6. Bxe5 Nc6 7. Bxf6 Qxf6 8. Nd2 Bf5 9. a3 Bxc5 10. g3 0-0-0 11. Bh3 Rhe8 12. Bxf5+ Qxf5 13. Ngf3 Qh3 14. Rg1 Re7 15. Nb3 Bb6 16. Qd3 Rde8 17. 0-0-0 Re6 18. e3 Rxe3 19. Rgf1 R3e4 20. Nbd2 R4e7 21. Nc4 Qh6+ 22. Kb1 Re4 23. Ng5 R4e7 24. Qf5+ Kb8 25. Nxb6 axb6 26. Nxf7 Qxh2 27. Rh1 Qg2 28. Rdg1 Qe4 29. Qxe4 Rxe4 30. Nd6 h6 31. f4 Re2 32. Nxe8 Rxe8 33. Re1 1-0

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.27"]
[Round "4"]
[White "Kiewra, Keaton F"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2349"]
[BlackElo "2408"]
[PlyCount "68"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 Nc6 3. Nf3 e5 4. g3 Bc5 5. Bg2 Nf6 6. 0-0 0-0 7. c3 d5 8. d3 a5 9. Nbd2 Re8 10. h3 a4 11. Re1 d4 12. c4 a3 13. b3 Bb4 14. Rd1 Bc3 15. Rb1 Nb4 16. Nf1 b5 17. Nh4 bxc4 18. bxc4 Bd7 19. Nf5 Ba4 20. Bg5 Bxd1 21. Rxd1 Re6 22. f4 Qf8 23. Nh2 Nd7 24. Qg4 Nxa2 25. Qh4 f6 26. Bh6 gxh6 27. Ng4 Nb4 28. Qh5 Kh8 29. Ngxh6 Re7 30. Nxe7 Qxe7 31. Nf7+ Kg7 32. Nh6 Qe8 33. Nf5+ Kh8 34. Qh4 a2 0-1

[Event "Hollywood Masters op"]
[Site "Los Angeles"]
[Date "2022.10.26"]
[Round "2"]
[White "Bruzon Batista, Lazaro"]
[Black "Heimann, Mark A"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2615"]
[BlackElo "2408"]
[PlyCount "85"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. d3 Bb7 4. e4 c5 5. Bg2 Nc6 6. 0-0 d6 7. c3 g6 8. Re1 Bg7 9. d4 Nd7 10. Be3 0-0 11. Nbd2 b4 12. Rc1 a5 13. Bf1 a4 14. d5 bxc3 15. bxc3 Nce5 16. Nxe5 Nxe5 17. f4 Nd7 18. Bf2 Ba6 19. Bh3 Nb6 20. c4 Bb2 21. Rc2 a3 22. e5 Qc7 23. e6 f5 24. g4 fxg4 25. Qxg4 Nxd5 26. cxd5 Bd3 27. Rc4 Bxc4 28. Nxc4 Ra4 29. Bf1 Qb7 30. Qd1 Rb4 31. f5 Rxf5 32. Nxd6 Rg5+ 33. Bg2 Qb8 34. Nf7 Rxg2+ 35. Kxg2 Bd4 36. Bg3 Rb2+ 37. Kh3 Qb7 38. Qf3 Bf6 39. Nh6+ Kg7 40. Ng4 h5 41. Nxf6 exf6 42. e7 g5 43. e8N+ 1-0

[Event "Los Angeles Labor Day IM"]
[Site "Los Angeles"]
[Date "2022.09.05"]
[Round "9"]
[White "Xie, Bryan"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2162"]
[BlackElo "2401"]
[PlyCount "110"]
[EventDate "2022.09.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 Nc6 7. 0-0 Nd7 8. c4 e5 9. Bh2 f5 10. Nc3 e4 11. Nd2 Nf6 12. c5 d5 13. Qb3 Bh6 14. Be5 Ne7 15. a4 Ne8 16. a5 a6 17. Rfe1 Ra7 18. Qa2 Be6 19. Bd1 Nc6 20. Bh2 Nxd4 21. b4 Nc6 22. Rb1 Qd7 23. Ne2 d4 24. Bb3 Bxb3 25. Qxb3+ Qf7 26. Qxf7+ Rxf7 27. Nc4 d3 28. Nc3 Bg7 29. Na2 Nf6 30. Nc3 Nd7 31. Rec1 Nde5 32. Nd2 Rd7 33. Bf4 Ne7 34. b5 c6 35. bxa6 Rxa6 36. Ra1 Nf7 37. Ra2 Bxc3 38. Rxc3 Nd5 39. Rc4 Nxf4 40. exf4 Nd8 41. Nb3 Ne6 42. g3 g5 43. fxg5 Nxg5 44. Kg2 Nf3 45. Rc1 Kf7 46. Ra4 Kf6 47. Rb4 Ke5 48. Rd1 h5 49. h4 Ra8 50. Kf1 f4 51. Kg2 Rg8 52. Nc1 Nxh4+ 53. Kh3 fxg3 54. Re1 d2 55. Rexe4+ Kf6 0-1

[Event "Los Angeles Labor Day IM"]
[Site "Los Angeles"]
[Date "2022.09.04"]
[Round "7"]
[White "Heimann, Mark A"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2401"]
[BlackElo "2291"]
[PlyCount "159"]
[EventDate "2022.09.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. g3 e5 2. c4 d6 3. Bg2 f5 4. Nc3 Nf6 5. d3 Be7 6. Nf3 0-0 7. b4 a6 8. a4 Qe8 9. Nd2 c6 10. Nb3 d5 11. Ba3 d4 12. Nb1 Be6 13. N1d2 Nbd7 14. Na5 Ra7 15. 0-0 f4 16. b5 Bxa3 17. bxc6 Bb4 18. cxd7 Bxd7 19. Nab3 Bxa4 20. Ne4 Nxe4 21. Bxe4 Bc3 22. Bd5+ Kh8 23. Ra2 Rf6 24. Qc2 b5 25. Qb1 bxc4 26. Nc5 Bc6 27. dxc4 fxg3 28. hxg3 Ra8 29. Qe4 Rh6 30. Rb1 a5 31. Nd3 Rc8 32. Nxe5 Bxd5 33. Qxd5 Re6 34. Rb5 Re7 35. f4 Rec7 36. Rb7 Rxb7 37. Qxb7 Qe6 38. Nf7+ Kg8 39. Ng5 Qxc4 40. Ra4 Bb4 41. Qe4 g6 42. Qb7 Qc7 43. Qd5+ Kh8 44. Ra1 Qc5 45. Qf7 Qe7 46. Qxe7 Bxe7 47. Rxa5 Bxg5 48. Rxg5 Rc3 49. Kf2 d3 50. e4 Rc4 51. Ke3 d2 52. Rd5 Rc3+ 53. Kf2 Rc2 54. Ke2 Rc3 55. g4 Rc4 56. Ke3 Rc3+ 57. Kxd2 Rg3 58. g5 Rf3 59. f5 gxf5 60. Rxf5 Ra3 61. e5 Kg7 62. e6 Ra6 63. Rf7+ Kg6 64. Rf6+ Kg7 65. Ke3 Ra4 66. Kf3 Ra5 67. Kf4 Ra4+ 68. Kf5 Ra5+ 69. Kg4 Re5 70. Kf4 Ra5 71. e7 Ra4+ 72. Kf5 Ra5+ 73. Ke6 Ra6+ 74. Kd5 Ra8 75. Kc6 Ra6+ 76. Kb7 Rxf6 77. gxf6+ Kf7 78. Kc7 Ke8 79. Kd6 Kf7 80. Kd7 1-0

[Event "Los Angeles Labor Day IM"]
[Site "Los Angeles"]
[Date "2022.09.04"]
[Round "8"]
[White "Mahajan, Rushaan"]
[Black "Heimann, Mark A"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2232"]
[BlackElo "2401"]
[PlyCount "126"]
[EventDate "2022.09.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bf4 Qf6 7. Nxc6 Bxc3+ 8. bxc3 Qxf4 9. Qd4 Qxd4 10. Nxd4 Nf6 11. g3 b6 12. Bg2 Rb8 13. Rb1 Bb7 14. Bxb7 Rxb7 15. c5 Ne4 16. cxb6 Rxb6 17. Rxb6 axb6 18. Nb5 Ke7 19. f3 Nc5 20. Kd2 Ra8 21. a3 d5 22. Rb1 Kd7 23. c4 dxc4 24. Kc3 e5 25. Kxc4 Kc6 26. Rb2 f6 27. Rb1 h5 28. Rb2 g5 29. Rb1 h4 30. e3 h3 31. Rb2 Ra4+ 32. Rb4 Ra5 33. g4 Ra8 34. Rb2 Ra4+ 35. Rb4 Ra5 36. f4 Na6 37. Rb2 gxf4 38. exf4 Ra4+ 39. Kd3 Rxf4 40. Na7+ Kb7 41. Nb5 Rxg4 42. Rf2 Nc5+ 43. Ke3 Ne4 44. Rf3 Rh4 45. a4 Kc6 46. Rf1 Kc5 47. Nc7 Nd6 48. Ne6+ Kd5 49. Rxf6 Rxa4 50. Nc7+ Kc5 51. Re6 Ra3+ 52. Ke2 Nc4 53. Kf2 b5 54. Ra6 b4 55. Ne6+ Kd5 56. Nc7+ Ke4 57. Rc6 Rf3+ 58. Ke2 Rc3 59. Nb5 Rc2+ 60. Ke1 Ke3 61. Kd1 b3 62. Nc3 Nb2+ 63. Ke1 Rc1+ 0-1

[Event "Los Angeles Labor Day IM"]
[Site "Los Angeles"]
[Date "2022.09.03"]
[Round "5"]
[White "Heimann, Mark A"]
[Black "Ouellet, Maili Jade"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2401"]
[BlackElo "2174"]
[PlyCount "162"]
[EventDate "2022.09.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 g6 7. f3 Bg7 8. Be3 b5 9. b4 Qc7 10. Qd2 Bb7 11. a4 bxa4 12. Nxa4 Nfd7 13. c3 Ne5 14. Be2 Nbd7 15. Nb3 Nc4 16. Bxc4 Qxc4 17. Na5 Qc7 18. Bd4 0-0 19. Bxg7 Kxg7 20. 0-0 Kg8 21. c4 Rab8 22. Rab1 Rfc8 23. Rfc1 Bc6 24. Nc3 Ne5 25. Nd5 Bxd5 26. exd5 Qd7 27. f4 Ng4 28. Nc6 Rb7 29. Re1 Rxc6 30. dxc6 Qxc6 31. Qd4 Nh6 32. Qe4 Qb6+ 33. Qe3 Qc6 34. Rec1 Nf5 35. Qf2 h5 36. g3 Qe4 37. Rb3 Rc7 38. Rbc3 Qb7 39. Rb3 Qe4 40. c5 dxc5 41. bxc5 a5 42. Rbc3 Qb4 43. c6 Nd6 44. Qc5 Ne4 45. Qxb4 axb4 46. Rc4 Nc3 47. Ra1 Kg7 48. Ra8 Kf6 49. Rb8 Nd5 50. Rb5 e6 51. Rb7 Rc8 52. Kf2 Ne7 53. c7 Nd5 54. Kf3 b3 55. Ke4 b2 56. Rxb2 Rxc7 57. Rxc7 Nxc7 58. Rb7 Nd5 59. Rb3 Ne7 60. Kd4 Nf5+ 61. Kc5 g5 62. fxg5+ Kxg5 63. Rb4 Kf6 64. g4 hxg4 65. Rxg4 e5 66. h4 Nh6 67. Rg1 Kf5 68. h5 e4 69. Kd6 e3 70. Ke7 Kf4 71. Kf6 e2 72. Kg7 Ng4 73. Kxf7 Kf3 74. Kg6 Kf2 75. Ra1 e1Q 76. Rxe1 Kxe1 77. Kg5 Ne5 78. Kf5 Nf7 79. Kg6 Ne5+ 80. Kg7 Ng4 81. h6 Nxh6 1/2-1/2

