[Event "USA-chT College final"]
[Site "Richardson"]
[Date "2024.03.31"]
[Round "3.2"]
[White "Beradze, Irakli"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2507"]
[BlackElo "2534"]
[PlyCount "36"]
[EventDate "2024.03.30"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]
[WhiteTeam "Texas Rio Grande Valley Univ"]
[BlackTeam "Dallas Texas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 Bg4 10. f3 Bh5 11. Bg5 cxd5 12. Bxf6 Qxf6 13. Nxd5 Qxb2 14. Rb1 Bc5+ 15. Kh1 Qxa2 16. Rb5 c6 17. Nf6+ gxf6 18. Rxc5 Bg6 1/2-1/2

[Event "USA-chT College final"]
[Site "Richardson"]
[Date "2024.03.30"]
[Round "2.2"]
[White "Antipov, Mikhail Al"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2573"]
[BlackElo "2534"]
[PlyCount "97"]
[EventDate "2024.03.30"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]
[WhiteTeam "Missouri Univ"]
[BlackTeam "Dallas Texas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 h6 9. Bf4 0-0 10. h3 Ne8 11. Qc2 Nd6 12. g4 b5 13. Rg1 g5 14. Be5 Re8 15. h4 Nf8 16. hxg5 hxg5 17. 0-0-0 f6 18. Bxd6 Bxd6 19. Kb1 Be6 20. Bf5 Qd7 21. Rh1 Qg7 22. Rh5 Bf7 23. Rh3 Bg6 24. Rdh1 Bxf5 25. Qxf5 Qg6 26. Rh8+ Kg7 27. Qxg6+ Kxg6 28. R8h6+ Kg7 29. Nxg5 fxg5 30. Rxd6 Re6 31. Rxe6 Nxe6 32. Ne2 Rf8 33. Rh2 Kg6 34. Ng3 Ng7 35. Kc2 Rc8 36. Kd3 c5 37. dxc5 Rxc5 38. Ne2 b4 39. f4 Ra5 40. f5+ Kf7 41. Nd4 Rxa2 42. Nf3 a5 43. Nxg5+ Kf6 44. Nf3 Kf7 45. Ne5+ Kg8 46. f6 Ne6 47. g5 Nf8 48. g6 Nxg6 49. Rg2 1-0

[Event "USA-chT College final"]
[Site "Richardson"]
[Date "2024.03.30"]
[Round "1.1"]
[White "Koustav, Chatterjee"]
[Black "Gledura, Benjamin"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2534"]
[BlackElo "2616"]
[PlyCount "68"]
[EventDate "2024.03.30"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]
[WhiteTeam "Dallas Texas Univ"]
[BlackTeam "Webster Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 a6 5. e3 Bf5 6. Nh4 Be4 7. Qb3 Ra7 8. Nxe4 Nxe4 9. Nf3 e6 10. Bd3 f5 11. Ne5 Bd6 12. Qc2 Qa5+ 13. Ke2 Bxe5 14. dxe5 Nd7 15. f3 Nec5 16. Bd2 Qd8 17. Bc3 0-0 18. cxd5 cxd5 19. Bd4 b6 20. Rac1 Qb8 21. Qc3 Nxd3 22. Kxd3 Nc5+ 23. Bxc5 bxc5 24. Qxc5 Rb7 25. Qd6 Rxb2 26. Qxe6+ Kh8 27. Qxa6 Rxg2 28. Qa4 Qxe5 29. Qd4 Qe6 30. Qb4 Re8 31. Rhe1 Qa6+ 32. Kd4 Rxa2 33. Kc3 Ra4 34. Qb2 Ra3+ 0-1

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.15"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "Luo, Terry"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2546"]
[BlackElo "2342"]
[PlyCount "93"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. e3 0-0 5. Be2 c5 6. dxc5 Qa5+ 7. Bd2 Qxc5 8. b4 Qc7 9. Nc3 b6 10. Rc1 Bb7 11. 0-0 d6 12. Qc2 Nbd7 13. e4 Rac8 14. h3 Qb8 15. Rfe1 Qa8 16. Bd3 Rfd8 17. Qb1 Nf8 18. Bf4 Ne6 19. Be3 Nd7 20. Nd5 Re8 21. Nd2 Nd4 22. Bf1 b5 23. cxb5 Bxd5 24. exd5 Qxd5 25. Qd3 Nb6 26. Red1 e5 27. Rxc8 Rxc8 28. Nb3 Na4 29. Nxd4 exd4 30. Bxd4 Nc3 31. Bxg7 Qxd3 32. Rxd3 Kxg7 33. Rxd6 Nxa2 34. Rc6 Rd8 35. Bc4 Nxb4 36. Rc7 Rd1+ 37. Kh2 Ra1 38. Rxf7+ Kh8 39. f4 Nc2 40. g4 Ne3 41. Be6 Rb1 42. Rb7 Rb4 43. Kg3 Nf1+ 44. Kh4 Rxf4 45. Kg5 Rf3 46. Rb8+ Kg7 47. Rg8# 1-0

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.15"]
[Round "9"]
[White "Levine, Joseph1"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2376"]
[BlackElo "2546"]
[PlyCount "102"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 a5 7. Re1 0-0 8. h3 Be6 9. Bb5 Ba7 10. Nbd2 Ne7 11. d4 Ng6 12. Nf1 c6 13. Bd3 Nh5 14. g3 Nf6 15. Kg2 Qc8 16. h4 d5 17. exd5 Bxd5 18. c4 Bxf3+ 19. Qxf3 Bxd4 20. h5 e4 21. Bxe4 Ne5 22. Qf4 Qg4 23. Qxg4 Nexg4 24. Bf3 Rfe8 25. Rxe8+ Rxe8 26. Bd2 Nxf2 27. Bxa5 Bxb2 28. Rb1 Nd3 29. Bd2 Ne4 30. Bxe4 Rxe4 31. Ne3 Re7 32. Kf1 g6 33. hxg6 hxg6 34. Ke2 Rd7 35. a4 f5 36. a5 Be5 37. Nf1 Nc5 38. Be1 Kf7 39. Ne3 Ke6 40. Rb6 Bc7 41. Rb1 g5 42. g4 f4 43. Nf5 Rd3 44. Bb4 f3+ 45. Kf1 Nd7 46. Be1 Ne5 47. Rxb7 Nxg4 48. Ng7+ Kd7 49. Rb2 Be5 50. Rb7+ Kc8 51. a6 Bd4 0-1

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.14"]
[Round "7"]
[White "Griffith, Kyron"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2367"]
[BlackElo "2546"]
[PlyCount "52"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 Ne7 10. Nf3 Ng6 11. 0-0 Be7 12. c4 dxe4 13. Bxe4 f5 14. Bc2 e5 15. c5 e4 16. Nd4 0-0 17. f3 Kh8 18. Nb3 a5 19. fxe4 a4 20. Nd2 f4 21. Kh1 Ne5 22. b4 axb3 23. Bxb3 Bxc5 24. Bb2 Bd6 25. Nf3 Bg4 26. Rac1 Rac8 1/2-1/2

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.14"]
[Round "6"]
[White "Koustav, Chatterjee"]
[Black "Nakada, Akira W"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2546"]
[BlackElo "2374"]
[PlyCount "43"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be2 e6 6. Nf3 Bd7 7. 0-0 Nge7 8. dxc5 Ng6 9. Be3 Ngxe5 10. Nd4 Nxd4 11. cxd4 Nc6 12. a3 a5 13. Nc3 b6 14. Na4 bxc5 15. dxc5 Be7 16. Nb6 Rb8 17. Qa4 d4 18. Bb5 dxe3 19. Bxc6 exf2+ 20. Kh1 Bxc6 21. Qxc6+ Kf8 22. Rad1 1-0

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.13"]
[Round "5"]
[White "Koustav, Chatterjee"]
[Black "Adewumi, Tanitoluwa"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2546"]
[BlackElo "2280"]
[PlyCount "85"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 d5 5. Bb5 Nf6 6. exd5 exd5 7. Qe2+ Be7 8. 0-0 0-0 9. Re1 Bd6 10. Bxc6 bxc6 11. d3 Bg4 12. Nbd2 Bf4 13. Qf1 Qa5 14. c3 Rfe8 15. h3 Rxe1 16. Qxe1 Re8 17. Qf1 Bxd2 18. Nxd2 Be2 19. Qb1 Nh5 20. Nf1 Nf4 21. Ng3 Bxd3 22. Qd1 c4 23. Qg4 Qc7 24. Ba3 Qe5 25. Qd7 h6 26. Bc5 a6 27. Bd4 Qe6 28. Qc7 g5 29. b4 Bg6 30. Be3 Qf6 31. Bd4 Qe6 32. Be3 d4 33. Bxd4 Qd5 34. f3 h5 35. Kh2 h4 36. Nf1 Ne6 37. Qe5 Qxe5+ 38. Bxe5 Nf4 39. Bxf4 gxf4 40. Nd2 Bd3 41. Ne4 Bxe4 42. fxe4 Rxe4 43. Rd1 1/2-1/2

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.13"]
[Round "4"]
[White "Lee, Alice"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2379"]
[BlackElo "2546"]
[PlyCount "72"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5 11. exf5 gxf5 12. dxe5 dxe5 13. Qd5+ Kh8 14. Qxd8 Nxd8 15. Nb5 c6 16. Nd6 e4 17. Ng5 Ne5 18. Be3 h6 19. Nh3 Ne6 20. Nf4 Nxf4 21. Bxf4 Ng6 22. Bd2 Be6 23. Rad1 b6 24. Bc1 Rad8 25. Nb7 Rb8 26. Nd6 Rfd8 27. g4 Nh4 28. Bf4 fxg4 29. Bxg4 Rf8 30. Bxe6 Rxf4 31. Nf7+ Kh7 32. Nd8 Nf3+ 33. Kg2 Ne5 34. Bh3 Bf6 35. Ne6 Rf3 36. Rd6 Be7 0-1

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.12"]
[Round "3"]
[White "Koustav, Chatterjee"]
[Black "Paragua, Mark"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2546"]
[BlackElo "2448"]
[PlyCount "40"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 g6 5. 0-0 Bg7 6. Nc3 Nf6 7. Bxd7+ Nfxd7 8. d3 Nc6 9. Rb1 0-0 10. Bd2 a6 11. a3 Rb8 12. b4 cxb4 13. axb4 b5 14. cxb5 axb5 15. Ne2 Nb6 16. d4 e6 17. Bf4 Qd7 18. Qd3 Nc4 19. Nd2 Rbc8 20. d5 N6e5 1/2-1/2

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.12"]
[Round "2"]
[White "Nagy, Gabor"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2450"]
[BlackElo "2546"]
[PlyCount "8"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 1/2-1/2

[Event "New York 1000 GM Winter GM-B"]
[Site "New York"]
[Date "2024.01.11"]
[Round "1"]
[White "Koustav, Chatterjee"]
[Black "Graif, William"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2546"]
[BlackElo "2302"]
[PlyCount "61"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "6"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Be3 Rb8 11. Qc1 cxd4 12. cxd4 Bf5 13. Nc3 f6 14. Nxe4 dxe4 15. Nd2 Qd5 16. Nc4 a5 17. Qc3 Rb4 18. Rac1 Rfb8 19. Bf4 R8b7 20. a3 R4b5 21. exf6 Bxf6 22. Be5 Bg5 23. Ne3 Bxe3 24. Qxe3 e6 25. h3 h5 26. Qg5 Rf7 27. g4 hxg4 28. hxg4 e3 29. Rxe3 Rh7 30. f3 Rxb2 31. gxf5 1-0

[Event "Pan American Intercollegiate-chT"]
[Site "McAllen"]
[Date "2024.01.07"]
[Round "6.9"]
[White "Liang, Awonder"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C85"]
[WhiteElo "2640"]
[BlackElo "2546"]
[PlyCount "158"]
[EventDate "2024.01.04"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]
[WhiteTeam "Chicago Univ"]
[BlackTeam "Texas Dallas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Re1 Nd7 8. d4 exd4 9. Qxd4 0-0 10. Bf4 Nc5 11. Qe3 Ne6 12. Bg3 Bd7 13. Nc3 Qe8 14. Rad1 Rd8 15. Ne5 Bc5 16. Qc1 Bc8 17. Nd3 Ba7 18. Kh1 f6 19. f4 Nc5 20. f5 Nxd3 21. cxd3 Qf7 22. a3 Rd7 23. Ne2 Rfd8 24. Nf4 Re7 25. Qc2 g6 26. fxg6 hxg6 27. Rf1 g5 28. Ne2 f5 29. exf5 Bxf5 30. Qd2 Qg6 31. d4 c5 32. d5 c4 33. Rde1 Rde8 34. d6 cxd6 35. Qd5+ Qf7 36. Qd2 Qg6 37. Bxd6 Re6 38. Ng3 Bd3 39. Rxe6 Rxe6 40. Rf8+ Kh7 41. Bb4 Bd4 42. Rd8 Qg7 43. Qd1 g4 44. Nf5 Bxf5 45. Rxd4 Re4 46. Rd8 Qxb2 47. h3 Qe2 48. Qa1 Re8 49. Rxe8 Qxe8 50. Qf6 Qe6 51. Qh4+ Kg6 52. Qg3 Kf7 53. h4 Kg6 54. Kh2 Qf6 55. Be1 b5 56. Bb4 Bd7 57. Bc3 Qe7 58. Bd2 Bf5 59. Bg5 Qe6 60. Qc7 Qd7 61. Qc5 Qe6 62. Bf4 Qf6 63. Kg3 Qc3+ 64. Be3 Qe1+ 65. Kf4 Qf1+ 66. Ke5 Qa1+ 67. Kf4 Qf1+ 68. Kg3 Qe1+ 69. Bf2 Qc3+ 70. Kh2 Qf6 71. Be1 c3 72. Bxc3 Qxh4+ 73. Kg1 Qd8 74. Qc6+ Kf7 75. Be5 Qe7 76. Qd5+ Qe6 77. Qb7+ Qe7 78. Qd5+ Qe6 79. Qd4 Qc4 1/2-1/2

[Event "Pan American Intercollegiate-chT"]
[Site "McAllen"]
[Date "2024.01.06"]
[Round "4.7"]
[White "Gazik, Viktor"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2567"]
[BlackElo "2546"]
[PlyCount "127"]
[EventDate "2024.01.04"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]
[WhiteTeam "Texas Rio Grande Valley Univ"]
[BlackTeam "Texas Dallas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. Bd2 Bg4 9. c3 Na5 10. Bc2 c5 11. h3 Bh5 12. Bc1 0-0 13. Nbd2 Nc6 14. Re1 d5 15. Qe2 d4 16. g4 Bg6 17. Nf1 Nd7 18. Bb3 Nb6 19. cxd4 Nxd4 20. Nxd4 cxd4 21. f4 exf4 22. Bxf4 Bg5 23. Qd2 Bxf4 24. Qxf4 Qb8 25. Qxb8 Raxb8 26. Nh2 a5 27. Rec1 a4 28. Bd1 f6 29. Nf3 Rfd8 30. Rc7 Bf7 31. a3 Nd7 32. Rac1 Nf8 33. Kf1 Ne6 34. Ra7 Ra8 35. Rxa8 Rxa8 36. Ke1 Nf4 37. Kd2 Rd8 38. h4 Be6 39. g5 fxg5 40. Nxg5 Bd7 41. Rc5 h6 42. Nf3 Be8 43. Ne5 Rd6 44. Bg4 h5 45. Bf5 Kf8 46. Rc8 Ke7 47. Rc7+ Kf8 48. Rc8 Ke7 49. Nf3 b4 50. axb4 g6 51. e5 Rb6 52. Be4 Rxb4 53. Kc2 Bb5 54. Rc7+ Ke8 55. Rc8+ Ke7 56. Rc7+ Ke8 57. Ng5 Rb3 58. e6 Bxd3+ 59. Bxd3 Nxd3 60. Ne4 Nb4+ 61. Kc1 Re3 62. Nd6+ Kf8 63. Rf7+ Kg8 64. e7 1-0

[Event "North American op 33rd"]
[Site "Las Vegas"]
[Date "2023.12.30"]
[Round "9"]
[White "Koustav, Chatterjee"]
[Black "Mikaelyan, Arman"]
[Result "1-0"]
[ECO "E53"]
[WhiteElo "2546"]
[BlackElo "2519"]
[PlyCount "65"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Be2 b6 11. Bb2 Bb7 12. 0-0 Nbd7 13. c4 Rac8 14. Rc1 Rfd8 15. Re1 cxd4 16. exd4 Nc5 17. Ne5 Ba8 18. Bf1 Qb8 19. Re3 Nce4 20. Bd3 Qb7 21. Ng4 Nxg4 22. Qxg4 f5 23. Qh4 Qf7 24. f3 Nd6 25. d5 Re8 26. Rce1 b5 27. Rxe6 bxc4 28. Re7 Rxe7 29. Rxe7 cxd3 30. Rxf7 Kxf7 31. Qd4 d2 32. Qxg7+ Ke8 33. Qg8+ 1-0

[Event "North American op 33rd"]
[Site "Las Vegas"]
[Date "2023.12.29"]
[Round "7"]
[White "Koustav, Chatterjee"]
[Black "Furfine, Jacob"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2546"]
[BlackElo "2308"]
[PlyCount "83"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Bd6 5. b3 0-0 6. Bb2 c5 7. cxd5 exd5 8. d4 Nc6 9. Be2 Re8 10. dxc5 Bxc5 11. 0-0 Bb6 12. Na4 Bc7 13. Rc1 Ne4 14. Nc3 Nxc3 15. Bxc3 Qd6 16. g3 Bh3 17. Re1 Rad8 18. Nd4 Bb6 19. Qd2 Re4 20. Nxc6 bxc6 21. Bf3 Ree8 22. b4 Bf5 23. a4 a5 24. bxa5 Ba7 25. Bb4 c5 26. Ba3 Qc6 27. Qd4 Be4 28. Bxc5 Bxf3 29. Bxa7 Qd7 30. Qf4 Bh5 31. Rc7 Qh3 32. Bd4 h6 33. f3 Re6 34. g4 Bg6 35. Rec1 Kh7 36. Rxf7 Bxf7 37. Qxf7 Rg6 38. Rc7 Rg8 39. Qf5 Qh4 40. Rc6 Qe1+ 41. Kg2 Qd2+ 42. Kh3 1-0

[Event "North American op 33rd"]
[Site "Las Vegas"]
[Date "2023.12.29"]
[Round "8"]
[White "Zierk, Steven C"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2475"]
[BlackElo "2546"]
[PlyCount "84"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Ngf6 5. 0-0 Bd6 6. c4 c6 7. cxd5 cxd5 8. Nc3 0-0 9. Nd2 Nb6 10. a4 Be6 11. d4 e4 12. a5 Nbd7 13. f3 exf3 14. exf3 Re8 15. Re1 a6 16. Nf1 Nb8 17. Bg5 Nc6 18. f4 h6 19. Bh4 Be7 20. Ne3 Qd7 21. Na4 Qd6 22. f5 Bd7 23. Nc5 Qc7 24. Bxd5 Rad8 25. Rc1 Bc8 26. Bxf6 Bxf6 27. Ne4 Qe7 28. Kg2 Bxd4 29. Rxc6 bxc6 30. Qxd4 cxd5 31. Nxd5 Qb7 32. Nef6+ gxf6 33. Rxe8+ Rxe8 34. Kf2 Bxf5 35. Nxf6+ Kf8 36. Nd5 Kg8 37. Nf6+ Kf8 38. Nd5 f6 39. Nxf6 Rb8 40. Qc5+ Kf7 41. Qxf5 Qxb2+ 42. Kg1 Qb1+ 0-1

[Event "North American op 33rd"]
[Site "Las Vegas"]
[Date "2023.12.28"]
[Round "5"]
[White "Koustav, Chatterjee"]
[Black "Tang, Zoey"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2546"]
[BlackElo "2284"]
[PlyCount "133"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. b3 Nc6 4. Bb2 f6 5. d4 cxd4 6. exd4 Bg4 7. Be2 e6 8. Nbd2 Bd6 9. 0-0 Nge7 10. Re1 0-0 11. Nf1 Bh5 12. Ne3 Rc8 13. a3 Bf7 14. c4 dxc4 15. bxc4 e5 16. c5 Bb8 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bxe5 fxe5 20. Rb1 Qc7 21. Qa4 Nd5 22. Qxa7 Nxe3 23. fxe3 Bd5 24. e4 Bc6 25. Bc4+ Kh8 26. Qb6 Qe7 27. Bd5 Qh4 28. Qb2 Bxd5 29. exd5 Rxc5 30. Qxe5 Qf2+ 31. Kh1 Rc2 32. Qe4 h6 33. h3 Rd2 34. Rbd1 Rf4 35. Qg6 Rxd1 36. Rxd1 Qe2 37. Rc1 Rf1+ 38. Rxf1 Qxf1+ 39. Kh2 Qf4+ 40. Qg3 Qd4 41. Qd6 Kh7 42. Qe6 Qf4+ 43. Kg1 Qc1+ 44. Kf2 Qf4+ 45. Ke2 Qg3 46. Qf5+ Kh8 47. Qf8+ Kh7 48. Qf3 Qe5+ 49. Kd3 Qb2 50. Ke4 Qc2+ 51. Ke5 Qc7+ 52. d6 Qa5+ 53. Ke6 Qe1+ 54. Kf7 Qb1 55. d7 Qg6+ 56. Ke7 Qg5+ 57. Ke6 Qd8 58. Qe4+ Kh8 59. Qf5 Qb6+ 60. Kf7 Qd4 61. Qe6 Qf4+ 62. Ke8 Qa4 63. g3 Qb5 64. g4 Qa4 65. h4 Qb5 66. Kf7 Qf1+ 67. Ke7 1-0

[Event "North American op 33rd"]
[Site "Las Vegas"]
[Date "2023.12.28"]
[Round "6"]
[White "Macovei, Andrei"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2460"]
[BlackElo "2546"]
[PlyCount "114"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[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. a4 Rb8 9. axb5 axb5 10. c3 d6 11. d4 exd4 12. cxd4 d5 13. e5 Ne4 14. Nc3 Nxc3 15. bxc3 Bf5 16. Bc2 Qd7 17. Bxf5 Qxf5 18. Ra6 Nd8 19. Qb3 Qd3 20. Qxd5 b4 21. Ra7 Ne6 22. cxb4 Bxb4 23. Qe4 Qxe4 24. Rxe4 Rfd8 25. g3 Bc3 26. Be3 Rb4 27. Ng5 Nxg5 28. Bxg5 Rc8 29. Be3 c5 30. Rd7 Re8 31. Rf4 cxd4 32. Bxd4 g5 33. Bxc3 Rb1+ 34. Kg2 gxf4 35. gxf4 Rbb8 36. Ba5 Ra8 37. Rd5 h5 38. Kf3 Kh7 39. Ke4 Rg8 40. Kf5 Rg2 41. h4 Rxf2 42. Bd8 Rfa2 43. Kg5 R8a4 44. Bf6 Rg2+ 45. Kf5 Rg6 46. Bg5 Kg7 47. Rd7 Raa6 48. Rd5 Rac6 49. Bf6+ Rcxf6+ 50. exf6+ Rxf6+ 51. Kg5 Ra6 52. Kxh5 Rb6 53. Kg4 Ra6 54. Rg5+ Kh7 55. h5 Rb6 56. Rf5 Kg7 57. Kg5 Ra6 1/2-1/2

[Event "North American op 33rd"]
[Site "Las Vegas"]
[Date "2023.12.27"]
[Round "4"]
[White "Bitoon, Richard"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2348"]
[BlackElo "2546"]
[PlyCount "95"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 0-0 5. e4 Bxc3 6. dxc3 d6 7. Qe2 a6 8. Nf3 b5 9. 0-0 bxc4 10. Qxc4 a5 11. Rd1 Nbd7 12. Qe2 Bb7 13. Nh4 Ra6 14. Nf5 Qa8 15. f3 g6 16. Nh6+ Kg7 17. Bh3 Nc5 18. Be3 Ne6 19. Bxe6 fxe6 20. Bg5 Rb6 21. Be3 Ba6 22. Qg2 Rb7 23. Rd2 Qe8 24. Re1 a4 25. Qh3 Bc4 26. a3 Rb3 27. Rf2 Rb5 28. Qh4 Nd7 29. Ng4 Rf7 30. Nh6 Rf8 31. Ng4 Kh8 32. Bh6 Rf7 33. Rd1 Rb8 34. Bg5 Qf8 35. Kg2 h5 36. Bh6 Qc8 37. Bg5 Nc5 38. Nh6 Rd7 39. g4 Qe8 40. gxh5 gxh5 41. Kh1 Nd3 42. Rg2 Rxb2 43. Bd2 Nf4 44. Qf6+ Kh7 45. Rg8 Qxg8 46. Nxg8 Rg7 47. Bxf4 Be2 48. Bxe5 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.26"]
[Round "8"]
[White "Daggupati, Balaji"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2477"]
[BlackElo "2547"]
[PlyCount "95"]
[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 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 Bb7 9. d3 d6 10. a3 Na5 11. Ba2 c5 12. Be3 Re8 13. Nc3 c4 14. b4 cxb3 15. cxb3 b4 16. axb4 Nc6 17. d4 Nxb4 18. Bb1 Rc8 19. Qd2 Qc7 20. Rc1 exd4 21. Bxd4 Qb8 22. Ra4 Ba8 23. Re1 Nd7 24. Nd1 d5 25. e5 Nf8 26. Bc3 Nc6 27. e6 f6 28. Rg4 Kh8 29. Rh4 d4 30. Nxd4 Nxd4 31. Qxd4 Qxb3 32. Bxh7 Nxh7 33. Qd3 f5 34. Bxg7+ Kxg7 35. Rxh7+ Kxh7 36. Qxb3 Rg8 37. Ne3 Bc5 38. g3 f4 39. Ng4 fxg3 40. Qxg3 Be7 41. Kh2 Rcf8 42. Re5 Rg6 43. Rh5+ Kg8 44. Nh6+ Kg7 45. Qc3+ Rgf6 46. Nf5+ Kg6 47. Qg3+ Kxh5 48. Qg4# 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.26"]
[Round "9"]
[White "Koustav, Chatterjee"]
[Black "Putnam, Liam H"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2547"]
[BlackElo "2332"]
[PlyCount "79"]
[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. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. 0-0 Nf6 6. b3 0-0 7. c4 a5 8. Nc3 Ne4 9. Bb2 Bf5 10. e3 Nxc3 11. Bxc3 Be4 12. Qe2 a4 13. Bh3 axb3 14. axb3 Rxa1 15. Rxa1 c5 16. Nd2 Nc6 17. Nxe4 dxe4 18. Rd1 cxd4 19. exd4 Bxd4 20. Bxd4 Nxd4 21. Qxe4 e5 22. Bg2 Qd6 23. Re1 Nc6 24. Qe3 Qb4 25. Rd1 Qa5 26. h4 Rd8 27. Rxd8+ Nxd8 28. Bd5 Nc6 29. Qf3 Qc7 30. Qf6 Na5 31. c5 Nc6 32. h5 gxh5 33. Qg5+ Kf8 34. Qh6+ Kg8 35. Be4 Nd8 36. Bxh7+ Kh8 37. Be4+ Kg8 38. b4 Nc6 39. b5 Nd4 40. b6 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.25"]
[Round "7"]
[White "Koustav, Chatterjee"]
[Black "Lee, Alice"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2547"]
[BlackElo "2406"]
[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. Nf3 d5 2. e3 Nf6 3. c4 dxc4 4. Bxc4 e6 5. Nc3 a6 6. 0-0 c5 7. d4 b5 8. Bb3 Bb7 9. e4 c4 10. Bc2 Nbd7 11. a3 Be7 12. Qe2 0-0 13. e5 Nd5 14. Qe4 g6 15. Qg4 Qb6 16. Bh6 Rfe8 17. Ng5 a5 18. Rfe1 Nxc3 19. bxc3 b4 20. Rad1 b3 21. Bb1 Qc6 22. d5 exd5 23. Nxf7 Bf8 24. e6 Nf6 25. Qg5 Ne4 26. Bxe4 Qxe6 27. Bxf8 Qxf7 28. Bh6 dxe4 29. Rd6 Ra6 30. Rd8 Rae6 31. Red1 e3 32. fxe3 Qf5 33. Qg3 Qe5 34. Qf2 Qf5 35. Qg3 Qe5 36. Qf2 Qf5 37. Qd2 Qc2 38. Rf1 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.25"]
[Round "6"]
[White "Molner, Mackenzie"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2461"]
[BlackElo "2547"]
[PlyCount "99"]
[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 Be7 6. d3 b5 7. Bb3 d6 8. Bd2 0-0 9. h3 Bb7 10. Re1 Qd7 11. a3 Nd8 12. c4 bxc4 13. Bxc4 a5 14. Nc3 Ne6 15. Nd5 a4 16. Rc1 Rfb8 17. Be3 Nxd5 18. exd5 Nf8 19. d4 Ng6 20. Qd3 Bc8 21. Bd2 f6 22. Bb4 Bd8 23. Qe3 Qf7 24. Kh2 Bb7 25. Red1 h6 26. g3 Kh8 27. Kg2 Ne7 28. dxe5 fxe5 29. Qe4 Ng8 30. Qd3 Nf6 31. Nh4 e4 32. Qd4 Qh5 33. Bc3 g5 34. g4 Qe8 35. Nf5 Kh7 36. Re1 Ba6 37. Bxa6 Rxa6 38. Ng3 Qf7 39. Qc4 Ra7 40. Rcd1 Be7 41. Rxe4 Rf8 42. Re2 Bd8 43. Nf5 Nh5 44. Re6 Nf6 45. Rde1 Qg6 46. Qd4 Rb7 47. Ne7 Bxe7 48. Rxe7+ Kg8 49. R1e6 c5 50. Rxf6 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.24"]
[Round "4"]
[White "Juksta, Karolis"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2392"]
[BlackElo "2547"]
[PlyCount "19"]
[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. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.24"]
[Round "5"]
[White "Koustav, Chatterjee"]
[Black "Hilby, Craig"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2547"]
[BlackElo "2402"]
[PlyCount "213"]
[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 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nf6 6. e3 Nc6 7. Bb5 cxd4 8. Nxd4 Bd7 9. 0-0 Be7 10. Nf3 a6 11. Bxc6 bxc6 12. b3 0-0 13. Bb2 Bg4 14. h3 Bh5 15. Rc1 Rc8 16. Ne2 Bxf3 17. gxf3 Qd7 18. Kg2 Ne8 19. Qd3 a5 20. Rc2 Nd6 21. Ng3 Rfd8 22. Rfc1 Bf8 23. Qd4 Nb5 24. Qg4 c5 25. Nh5 Rc6 26. Qxd7 Rxd7 27. Nf4 a4 28. bxa4 Nc7 29. Nd3 Rd8 30. Nxc5 Na6 31. Nd3 Rxc2 32. Rxc2 Ra8 33. a3 f6 34. Rc6 Kf7 35. a5 Ke8 36. Rb6 Nc7 37. a4 Rxa5 38. Rb8+ Kf7 39. Rb7 Bd6 40. Bd4 Rxa4 41. Bc5 Ke6 42. Rb6 Ra6 43. Bxd6 Rxb6 44. Bxc7 Rb5 45. Bg3 Ra5 46. Nf4+ Kf7 47. Ne2 Rb5 48. Nd4 Rb1 49. f4 Kg6 50. f5+ Kf7 51. Kf3 Rb4 52. h4 Ra4 53. Bd6 Ra6 54. Bc7 Ra4 55. Bg3 Rb4 56. Nc6 Ra4 57. Nd8+ Ke7 58. Ne6 Kf7 59. h5 Ra1 60. Nf4 Rh1 61. Kg4 Rd1 62. Bh4 d4 63. Kf3 dxe3 64. fxe3 h6 65. e4 Ra1 66. Bf2 Ra3+ 67. Be3 Ra1 68. Bd4 Rd1 69. Ke3 Rh1 70. Bc5 Re1+ 71. Kd4 Rd1+ 72. Kc4 Rh1 73. Kd5 Rd1+ 74. Bd4 Rf1 75. Be3 Rd1+ 76. Kc4 Re1 77. Kd3 Rh1 78. Bc5 Rd1+ 79. Ke2 Rh1 80. Bd4 Rb1 81. Kf3 Rf1+ 82. Bf2 Rh1 83. Kg4 Rf1 84. Kg3 Rh1 85. Kg2 Ra1 86. Ne6 Ra2 87. Kf3 Ra3+ 88. Kg4 Ra4 89. Bd4 Rb4 90. Kf4 Rb1 91. e5 Rf1+ 92. Kg4 fxe5 93. Bxe5 Rg1+ 94. Kf4 Rf1+ 95. Ke4 Re1+ 96. Kd5 Rd1+ 97. Bd4 Rh1 98. Nxg7 Rh4 99. Be5 Rh1 100. f6 Rh3 101. Nf5 Rxh5 102. Nd6+ Kf8 103. Ke6 Rh1 104. Nf5 Re1 105. Ne7 Rg1 106. f7 Rg5 107. Kf6 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.23"]
[Round "2"]
[White "Ippolito, Dean"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2356"]
[BlackElo "2547"]
[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. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Re1 a6 11. a4 Nbd7 12. Qc2 Ng4 13. h3 Nge5 14. Nd2 f5 15. f4 Nf7 16. Nc4 Nf6 17. a5 Bd7 18. b3 Qc7 19. Bb2 Re7 20. e4 fxe4 21. Nxe4 Nxe4 22. Bxg7 Kxg7 23. Rxe4 Rxe4 24. Qxe4 Re8 25. Qc2 Qd8 26. Qc3+ Qf6 27. Qxf6+ Kxf6 28. Kf2 Bf5 29. Ne3 Bd7 30. Re1 1/2-1/2

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.23"]
[Round "3"]
[White "Koustav, Chatterjee"]
[Black "Kunka, Harshid"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2547"]
[BlackElo "2336"]
[PlyCount "101"]
[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. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. b3 b6 6. Bb2 Bb7 7. cxd5 exd5 8. Ne2 Bd6 9. Ng3 g6 10. Be2 Qe7 11. Rc1 a6 12. Rc2 0-0 13. 0-0 Ne4 14. Qa1 f6 15. Rfc1 Rac8 16. Nf1 Ne5 17. Ne1 Nd7 18. d3 Nec5 19. Nd2 Ne6 20. Ndf3 Rf7 21. Bf1 Ng7 22. d4 Nf8 23. Nd3 a5 24. g3 g5 25. Bg2 Ng6 26. Nd2 g4 27. Nb1 c6 28. Nc3 Rff8 29. Na4 Bc7 30. Rxc6 Bxc6 31. Rxc6 Qd7 32. Nxb6 Bxb6 33. Rxb6 Rc2 34. Qd1 Rfc8 35. Nc5 Qf5 36. Rxf6 Qxf6 37. Bxd5+ Kh8 38. Qxc2 Ne7 39. Be4 Qd6 40. Qc3 Nd5 41. Qxa5 Nf6 42. Bg2 h5 43. e4 Nd7 44. Nxd7 Qxd7 45. Qd2 Kg8 46. d5 Qa7 47. Bf1 Qxa2 48. Qd4 Rc7 49. d6 Rd7 50. Bb5 h4 51. gxh4 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2023.11.22"]
[Round "1"]
[White "Koustav, Chatterjee"]
[Black "Paramzina, Anastasya"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2547"]
[BlackElo "2183"]
[PlyCount "53"]
[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. Nf3 g6 3. e3 Bg7 4. c4 d5 5. cxd5 Nxd5 6. e4 Nb6 7. a4 a5 8. Be3 0-0 9. Be2 Bg4 10. Nbd2 f5 11. Qb3+ Kh8 12. Ng5 Bxe2 13. Kxe2 f4 14. Ne6 Qc8 15. Bxf4 Rxf4 16. Nxf4 Nc6 17. Nf3 Qg4 18. Ne6 Qxe4+ 19. Kf1 Nb4 20. h4 N6d5 21. Re1 Qf5 22. h5 Nd3 23. hxg6 Nxe1 24. Rxh7+ Kg8 25. Rxg7+ Kh8 26. Rh7+ Kg8 27. Nf4 1-0

[Event "Texas Collegiate Finals"]
[Site "Brownsville"]
[Date "2023.09.17"]
[Round "4.1"]
[White "Beradze, Irakli"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "E34"]
[WhiteElo "2502"]
[BlackElo "2546"]
[PlyCount "57"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Texas Rio Grande Valley Univ II"]
[BlackTeam "Texas Dallas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 h6 6. Bxf6 Qxf6 7. Nf3 dxc4 8. e3 c5 9. Bxc4 cxd4 10. exd4 0-0 11. 0-0 Nc6 12. d5 Na5 13. Ne4 Qe7 14. a3 Nxc4 15. Qxc4 exd5 16. Qxd5 Rd8 17. Qc4 Ba5 18. Nc5 Bb6 19. Rac1 Bf5 20. Rfe1 Qf6 21. Qb4 Rab8 22. Na4 Rd6 23. Nxb6 Rxb6 24. Qf4 Rd8 25. b4 Be6 26. Qxf6 gxf6 27. Rc3 a5 28. bxa5 Rb5 29. h3 1/2-1/2

[Event "Texas Collegiate Finals"]
[Site "Brownsville"]
[Date "2023.09.17"]
[Round "3.5"]
[White "Koustav, Chatterjee"]
[Black "Sorokin, Aleksey"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2546"]
[BlackElo "2547"]
[PlyCount "66"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Texas Dallas Univ"]
[BlackTeam "Texas Tech Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 Nc6 5. Bg2 Qb6 6. 0-0 Be7 7. b3 d5 8. cxd5 Nxd5 9. Bb2 Nxc3 10. dxc3 0-0 11. Qc2 e5 12. Nd2 Be6 13. Nc4 Qa6 14. Bxc6 bxc6 15. Nxe5 f6 16. Nf3 c4 17. Nd4 Bh3 18. Rfd1 Rfe8 19. Nf5 Bf8 20. Ne3 cxb3 21. axb3 Qb7 22. c4 Rab8 23. Rd3 Bc5 24. Bd4 Bxd4 25. Rxd4 Qxb3 26. Qxb3 Rxb3 27. Rh4 Bc8 28. Rxa7 c5 29. Nd5 Bb7 30. e3 Ra8 31. Rxa8+ Bxa8 32. Re4 Bxd5 33. cxd5 Rd3 1/2-1/2

[Event "Texas Collegiate Finals"]
[Site "Brownsville"]
[Date "2023.09.16"]
[Round "2.1"]
[White "Gazik, Viktor"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2547"]
[BlackElo "2546"]
[PlyCount "66"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Texas Rio Grande Valley Univ"]
[BlackTeam "Texas Dallas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. 0-0 b5 7. Bb3 d6 8. a4 Bg4 9. axb5 Nd4 10. bxa6 Qc8 11. Ba4+ Kf8 12. Nb5 Nxf3+ 13. gxf3 Bh5 14. d4 Rxa6 15. Qd3 Qh3 16. Ra3 Rxa4 17. Rxa4 Bxf3 18. Ra8+ Ne8 19. Qxf3 Qxf3 20. Nxc7 Bd8 21. Rxd8 Ke7 22. Rb8 Kd7 23. Nb5 Qg4+ 24. Kh1 Qh3 25. Rg1 Qf3+ 26. Rg2 Qxe4 27. dxe5 dxe5 28. Be3 f5 29. Nc3 Qf3 30. Kg1 f4 31. Bb6 Rf8 32. Rg5 Rf5 33. Rd8+ Kc6 0-1

[Event "Texas Collegiate Finals"]
[Site "Brownsville"]
[Date "2023.09.16"]
[Round "1.1"]
[White "Koustav, Chatterjee"]
[Black "Moor, Nathaniel Philip"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2546"]
[BlackElo "2082"]
[PlyCount "97"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Texas Dallas Univ"]
[BlackTeam "Texas Tech Univ II"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. Na3 e6 6. 0-0 h5 7. c3 Nc6 8. Nc2 Be7 9. h4 Nf6 10. Ng5 Ne4 11. Nxe4 Bxe4 12. f3 Bh7 13. e4 Qd7 14. Ne3 0-0-0 15. b4 Rhg8 16. exd5 exd5 17. Kh2 g5 18. hxg5 Rxg5 19. f4 Rg7 20. Bh3 f5 21. Qxh5 Bg6 22. Qxf5 Bxf5 23. Bxf5 Rdg8 24. Bxd7+ Kxd7 25. Nf5 Rf7 26. Ne3 Rfg7 27. Rf3 Bxb4 28. Nxd5 Be7 29. Be3 Na5 30. Bf2 Nc4 31. Re1 Bd8 32. Nb4 Nd6 33. Nd3 Bf6 34. Nc5+ Kc8 35. Ne4 Rh8+ 36. Kg2 Nf5 37. Rh1 Bh4 38. Ng5 Bxg5 39. Rxh8+ Bd8 40. Kh3 Nd6 41. g4 Kd7 42. Bh4 Bxh4 43. Kxh4 Re7 44. f5 Re1 45. Rh7+ Kc6 46. Kg5 Ne4+ 47. Kg6 Rg1 48. Rh4 Nd2 49. Rf4 1-0

[Event "Menorca op 2nd"]
[Site "Ciutadella de Menorca"]
[Date "2023.04.16"]
[Round "9"]
[White "Niemann, Hans Moke"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2706"]
[BlackElo "2520"]
[PlyCount "43"]
[EventDate "2023.04.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 0-0 9. 0-0 Re8 10. Re1 a6 11. a4 Nbd7 12. Bf4 Ng4 13. Bg5 Qb6 14. Qc2 c4 15. Rf1 Nc5 16. a5 Qb4 17. Bd2 Bf5 18. e4 Bd7 19. h3 Ne5 20. Nxe5 Bxe5 21. Ra3 Nb3 22. Be3 1/2-1/2

[Event "Menorca op 2nd"]
[Site "Ciutadella de Menorca"]
[Date "2023.04.15"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "Fier, Alexandr"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2520"]
[BlackElo "2599"]
[PlyCount "103"]
[EventDate "2023.04.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Bd3 c5 7. d5 e6 8. h3 exd5 9. exd5 Re8+ 10. Be3 Rxe3+ 11. fxe3 Qe7 12. e4 Nbd7 13. 0-0 Nh5 14. Qd2 Ne5 15. Nxe5 Bxe5 16. Ne2 Bd7 17. Rf3 Qh4 18. Qe1 Qg5 19. Qf2 Be8 20. Rf1 Qd2 21. Kh1 b6 22. Qh4 f6 23. g4 g5 24. Qf2 Nf4 25. Nxf4 Qxf2 26. R1xf2 gxf4 27. Rxf4 Bxf4 28. Rxf4 Kg7 29. h4 h6 30. Kg2 Bd7 31. Kg3 a6 32. Rf1 b5 33. Kf4 b4 34. Rg1 a5 35. Be2 a4 36. a3 Rb8 37. g5 hxg5+ 38. hxg5 bxa3 39. bxa3 Rb2 40. gxf6+ Kxf6 41. Bh5 Rf2+ 42. Ke3 Ra2 43. Kf4 Rf2+ 44. Bf3 Be8 45. Rh1 Kg7 46. Rg1+ Kf6 47. Rh1 Kg7 48. Rh3 Bg6 49. e5 Rc2 50. exd6 Kf6 51. Rh6 Rxc4+ 52. Kg3 1-0

[Event "Menorca op 2nd"]
[Site "Ciutadella de Menorca"]
[Date "2023.04.15"]
[Round "7"]
[White "Koustav, Chatterjee"]
[Black "Xu, Yi"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2520"]
[BlackElo "2505"]
[PlyCount "14"]
[EventDate "2023.04.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 1-0

[Event "Menorca op 2nd"]
[Site "Ciutadella de Menorca"]
[Date "2023.04.13"]
[Round "4"]
[White "Koustav, Chatterjee"]
[Black "Gukesh, Dommaraju"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2520"]
[BlackElo "2730"]
[PlyCount "62"]
[EventDate "2023.04.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Rd1 a5 10. b3 b5 11. Bf4 Ba6 12. c5 Nh5 13. Be5 Rc8 14. Bh3 f5 15. Bf1 g5 16. h3 g4 17. hxg4 fxg4 18. Nh2 Bxc5 19. e3 Nxe5 20. Qxc5 Nf3+ 21. Nxf3 gxf3 22. Bh3 Rc7 23. Bxe6+ Kh8 24. Bg4 Nxg3 25. fxg3 Rg7 26. Kf2 Rxg4 27. Rg1 Rfg8 28. Nd2 Qc7 29. Nxf3 Qf7 30. Raf1 b4 31. Rg2 Qf5 0-1

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.09"]
[Round "9"]
[White "Ter Sahakyan, Samvel"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2613"]
[BlackElo "2520"]
[PlyCount "61"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[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. a4 Bb7 9. d3 d6 10. Bd2 Qd7 11. Nc3 Na5 12. Ba2 b4 13. Ne2 c5 14. Ng3 Rab8 15. Nh4 Nxe4 16. dxe4 Bxh4 17. Nf5 Bf6 18. Qg4 Kh8 19. Re3 g6 20. Rh3 Rbd8 21. Rxh7+ Kxh7 22. Qh3+ Kg8 23. Nh6+ Kg7 24. Ng4 Qxg4 25. Qxg4 Bc6 26. Qe2 Bb7 27. Rd1 Nc6 28. Qe3 Rh8 29. Bd5 Rd7 30. Qd3 Ra8 31. Qh3 1-0

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.08"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "Raja, Rithvik R"]
[Result "1-0"]
[ECO "E53"]
[WhiteElo "2520"]
[BlackElo "2472"]
[PlyCount "77"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Be2 b6 11. Bb2 Bb7 12. 0-0 Nbd7 13. c4 Rfd8 14. Re1 Rac8 15. Bf1 Nf8 16. h3 Ng6 17. a4 Bc6 18. Ra3 Qb7 19. Nd2 Nh4 20. f3 Qc7 21. Qe2 Nf5 22. Qf2 cxd4 23. exd4 Qf4 24. Nb3 h5 25. Bd3 Bb7 26. d5 Ne8 27. a5 b5 28. Nc5 bxc4 29. Bxf5 Rxd5 30. Nxb7 Rd2 31. Bc1 Rxf2 32. Bxf4 Rb2 33. Rb1 c3 34. Bc1 Rxb1 35. Bxb1 c2 36. Bxc2 Rxc2 37. Be3 a6 38. Rd3 Nc7 39. Rd2 1-0

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.07"]
[Round "7"]
[White "Koustav, Chatterjee"]
[Black "Rozentalis, Eduardas"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2520"]
[BlackElo "2504"]
[PlyCount "76"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 0-0 7. e3 d5 8. b4 c5 9. dxc5 bxc5 10. cxd5 exd5 11. bxc5 Ne4 12. Qc2 Qa5+ 13. Bd2 Nxd2 14. Nxd2 Ba6 15. Bxa6 Qxa6 16. Nf3 Nd7 17. Qe2 Qa5+ 18. Qd2 Qxd2+ 19. Kxd2 Nxc5 20. Nd4 Ne4+ 21. Ke2 Rab8 22. Rhc1 Rb2+ 23. Rc2 Rfb8 24. Rac1 g6 25. Nc6 R8b3 26. Nxa7 Nc3+ 27. Kf3 Rxc2 28. Rxc2 d4 29. Rd2 Rxa3 30. Nc6 dxe3 31. Kxe3 Nd5+ 32. Ke4 Nf6+ 33. Kd4 Kg7 34. Ne5 Ra5 35. Nc4 Rd5+ 36. Ke3 Ng4+ 37. Ke2 Rc5 38. Rd4 Ne5 1/2-1/2

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.06"]
[Round "6"]
[White "Puranik, Abhimanyu Sameer"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2599"]
[BlackElo "2520"]
[PlyCount "37"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. a4 Bd7 11. d4 Qb8 12. Bg5 Ra7 13. h3 Qc7 14. Nbd2 0-0 15. Be3 cxd4 16. cxd4 Rb7 17. d5 Rc8 18. Bd3 Nc4 19. Rc1 1/2-1/2

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.05"]
[Round "4"]
[White "Koustav, Chatterjee"]
[Black "Sanal, Vahap"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2520"]
[BlackElo "2582"]
[PlyCount "68"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 0-0 7. Bg2 c6 8. 0-0 Nbd7 9. Qc2 b6 10. Nbd2 Bb7 11. e4 dxe4 12. Nxe4 c5 13. Nd6 Bc6 14. dxc5 bxc5 15. Rad1 Rb8 16. Qc3 Rb6 17. Rd3 Qb8 18. Rfd1 Rxb2 19. Ng5 Bxg2 20. Kxg2 Rxa2 21. Rf3 Qb2 22. Qxb2 Rxb2 23. Ngxf7 h6 24. h3 e5 25. Kg1 e4 26. Rf5 Rb3 27. Ne5 Nxe5 28. Rxe5 Rd8 29. Rxc5 Rd3 30. Ra1 R8xd6 31. Rc8+ Kh7 32. Rxa7 e3 33. Rcc7 exf2+ 34. Kxf2 Ne4+ 0-1

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.05"]
[Round "5"]
[White "Savitha Shri, B."]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2411"]
[BlackElo "2520"]
[PlyCount "164"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. Bd2 0-0 9. h3 Bb7 10. Re1 Qd7 11. a3 Nd8 12. Nc3 Ne6 13. Ne2 c5 14. Ng3 Rfc8 15. Ba2 Bf8 16. Bg5 Nxg5 17. Nxg5 c4 18. Qe2 h6 19. Nf3 Qc7 20. dxc4 bxc4 21. Nd2 c3 22. bxc3 d5 23. exd5 Nxd5 24. Bxd5 Bxd5 25. Qxe5 Qc6 26. Nge4 Ra7 27. c4 Bxc4 28. Nxc4 Qxc4 29. Nd6 Bxd6 30. Qxd6 Qxc2 31. Rab1 Qc6 32. Rb6 Qxd6 33. Rxd6 Rc5 34. Re3 Ra5 35. Rc3 Ra4 36. Rb6 Rd7 37. Rc8+ Kh7 38. Ra8 Rd1+ 39. Kh2 Rd2 40. Raxa6 Rf4 41. Rb3 Rfxf2 42. Rg3 h5 43. Ra4 Kh6 44. h4 Rf1 45. Rc3 Rdd1 46. Kg3 Rh1 47. Ra7 Rd4 48. Rxf7 Rhxh4 49. Rf8 g6 50. Rcf3 Rh1 51. Re8 h4+ 52. Kf2 Rdd1 53. Re2 Ra1 54. Rc3 Kh5 55. Rb3 g5 56. Rd3 Rhf1+ 57. Ke3 Rf4 58. Rc3 Kg4 59. Rb3 Kh5 60. Rc3 Kg4 61. Rb3 Rf5 62. Kd4 Ra5 63. Re4+ Kf5 64. Ree3 g4 65. Rb8 Ra4+ 66. Kd5 Kf4 67. Rc3 Ra5+ 68. Ke6 Re5+ 69. Kf6 Rae1 70. Rb6 R1e3 71. Rb4+ R3e4 72. Rb1 Re6+ 73. Kf7 Re7+ 74. Kf8 Re3 75. Rc4+ R7e4 76. Rc6 Rxa3 77. Rh1 Kg3 78. Rh6 Kxg2 79. R1xh4 Rh3 80. Rxh3 gxh3 81. Rg6+ Kf3 82. Rh6 Kg3 0-1

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.04"]
[Round "3"]
[White "Dotzer, Lukas"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2416"]
[BlackElo "2520"]
[PlyCount "158"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bf8 6. f4 c5 7. Nf3 Nc6 8. Be3 Nge7 9. Bd3 c4 10. Be2 Nf5 11. Bf2 h5 12. Qd2 Rb8 13. Nd1 Be7 14. Ne3 g6 15. 0-0 b5 16. b3 Kf8 17. Nxf5 gxf5 18. Ng5 h4 19. Be3 cxb3 20. cxb3 Na5 21. Bd1 b4 22. a4 Ba6 23. Rf3 Rc8 24. Bf2 Qb6 25. Rh3 f6 26. Nf3 Rc3 27. exf6 Bxf6 28. Ne5 Bxe5 29. fxe5 Rxh3 30. gxh3 Nc6 31. Kh1 Nd8 32. Rc1 Nf7 33. Bf3 Bb7 34. Rc5 a5 35. Qc1 Qa6 36. Qe1 Qd3 37. Bg2 Qxb3 38. Rxa5 Bc6 39. Ra6 Bd7 40. Rb6 Qxa4 41. Rxb4 Qc2 42. Rb7 Be8 43. Be3 f4 44. Bxf4 Rh5 45. Rb1 Qc4 46. Qd1 Rh7 47. Rc1 Qa2 48. Rc2 Qb3 49. Qd2 Rg7 50. Rc1 Rg6 51. Qf2 Bb5 52. Rc8+ Kg7 53. Rc7 Qd1+ 54. Qg1 Qe2 55. Rc1 Bd3 56. Re1 Qc2 57. Rc1 Qe2 58. Qf1 Qxf1+ 59. Rxf1 Bxf1 60. Bxf1 Ng5 61. Bg2 Kf7 62. Be3 Rg8 63. Bf2 Ra8 64. Bf1 Ra1 65. Kg2 Ra2 66. Bd3 Nxh3 67. Kxh3 Rxf2 68. Kxh4 Rxh2+ 69. Kg5 Rd2 70. Bg6+ Ke7 71. Kf4 Rxd4+ 72. Ke3 Rg4 73. Bd3 Kd7 74. Bb5+ Kc7 75. Bd3 Kb6 76. Kf3 Rg7 77. Kf4 Kc5 78. Ke3 Rg3+ 79. Ke2 Kd4 1-0

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.03"]
[Round "2"]
[White "Koustav, Chatterjee"]
[Black "Vestby Ellingsen, Mads"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2520"]
[BlackElo "2387"]
[PlyCount "63"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nbd7 6. 0-0 Rb8 7. a4 a6 8. a5 Bd6 9. Nbd2 b5 10. axb6 Nxb6 11. Qc2 0-0 12. Nxc4 Nxc4 13. Qxc4 Rb5 14. Qc2 Bb7 15. Ne1 Qa8 16. Bxb7 Qxb7 17. Nd3 Nd7 18. b4 e5 19. Nc5 Bxc5 20. bxc5 Qd5 21. e4 Qxd4 22. Be3 Qb2 23. Qxb2 Rxb2 24. Rxa6 Nb8 25. Ra7 Rc8 26. Ra8 Rd8 27. Rfa1 Rb7 28. c6 Rb3 29. R1a7 Rxe3 30. fxe3 Kf8 31. Rxc7 Nxc6 32. Rac8 1-0

[Event "Fagernes op-A"]
[Site "Fagernes"]
[Date "2023.04.02"]
[Round "1"]
[White "Sourath, Biswas"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2265"]
[BlackElo "2520"]
[PlyCount "44"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Bd6 5. g3 c5 6. cxd5 exd5 7. Bg2 Nc6 8. 0-0 d4 9. e3 0-0 10. Na3 Bg4 11. Qb1 Re8 12. Re1 Qd7 13. exd4 cxd4 14. Qd3 Bf5 15. Qc4 Be4 16. Nh4 Bxa3 17. Bxa3 Ne5 18. Qa4 b5 19. Qa6 Re6 20. Qa5 Bxg2 21. Kxg2 Qb7+ 22. Kg1 Nc6 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "9"]
[White "Bluebaum, Matthias"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2661"]
[BlackElo "2520"]
[PlyCount "97"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[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 Bb4 4. e3 0-0 5. Bd2 c5 6. a3 Bxc3 7. Bxc3 Ne4 8. Ne2 b6 9. d5 Ba6 10. Qd3 Nxc3 11. Nxc3 e5 12. d6 Nc6 13. Qf5 g6 14. Qh3 f5 15. Nd5 Rc8 16. Qh6 Rf7 17. h4 Qf8 18. Qg5 Qxd6 19. 0-0-0 Qe6 20. h5 Ne7 21. hxg6 hxg6 22. Rh6 Rg7 23. Be2 Bb7 24. Bf3 Bxd5 25. cxd5 Qd6 26. Rdh1 Kf7 27. e4 Qf6 28. Qd2 fxe4 29. d6 exf3 30. dxe7 Kxe7 31. g3 c4 32. Rd1 Qe6 33. Qg5+ Kf7 34. Qe3 e4 35. Rh4 d5 36. Rf4+ Ke7 37. Rd4 Rf7 38. Rfxe4 dxe4 39. Rxe4 Qxe4 40. Qxe4+ Kf8 41. Qxg6 Rcc7 42. Qh6+ Ke7 43. g4 c3 44. g5 cxb2+ 45. Kxb2 Kd8 46. Qh8+ Kd7 47. g6 Re7 48. g7 Rxg7 49. Qxg7+ 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "4"]
[White "Koustav, Chatterjee"]
[Black "Bortnyk, Olexandr"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2520"]
[BlackElo "2605"]
[PlyCount "107"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 g6 5. 0-0 Bg7 6. c4 0-0 7. d5 Na6 8. Nc3 Nc5 9. Nd4 e5 10. Nc2 a5 11. b3 Ne8 12. Rb1 Nd6 13. Ba3 Qe7 14. Qd2 f5 15. Rfd1 e4 16. Nd4 Ba6 17. Rbc1 Rae8 18. Qe3 Nf7 19. Qd2 e3 20. Qxe3 Qxe3 21. fxe3 Bh6 22. Nc2 d6 23. Rf1 Re7 24. Rcd1 Rfe8 25. Bc1 Bg7 26. Nd4 Bh6 27. e4 Bxc1 28. Rxc1 fxe4 29. Nc6 Bc8 30. Nxe7+ Rxe7 31. Rf6 Kg7 32. Rcf1 Nh6 33. R6f4 g5 34. Rf8 Bg4 35. h3 Bh5 36. g4 Bg6 37. R8f6 Nf7 38. Nb5 Ne5 39. R6f2 a4 40. Nd4 axb3 41. axb3 Kh6 42. Rf6 Kg7 43. b4 Ncd7 44. Ne6+ Kh6 45. R6f2 e3 46. Rf6 Nxf6 47. Rxf6 Nxc4 48. h4 Rxe6 49. dxe6 Kg7 50. hxg5 Ne5 51. e7 Bf7 52. Bd5 Be8 53. Rf8 Bb5 54. Rg8# 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "2"]
[White "Koustav, Chatterjee"]
[Black "Hnydiuk, Aleksander"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2520"]
[BlackElo "2364"]
[PlyCount "95"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bf4 c5 4. e3 b6 5. Nbd2 Be7 6. h3 0-0 7. Bd3 cxd4 8. exd4 Ba6 9. Bxa6 Nxa6 10. c3 d6 11. 0-0 Nc7 12. Re1 b5 13. Qe2 Qd7 14. Ne4 Qc6 15. Nfd2 Nxe4 16. Nxe4 Nd5 17. Bh2 Rfc8 18. Rac1 a5 19. Qh5 a4 20. a3 Nb6 21. Rc2 Nc4 22. Rce2 Qd5 23. Qxd5 exd5 24. Ng3 Bf8 25. Nf5 g6 26. Ne3 Nb6 27. Ng4 h5 28. Nf6+ Kh8 29. Bf4 Nc4 30. Nxd5 Bg7 31. Ne3 b4 32. Nxc4 Rxc4 33. axb4 a3 34. Re8+ Rxe8 35. Rxe8+ Kh7 36. bxa3 Rxc3 37. Re3 Rc1+ 38. Kh2 Bxd4 39. Rd3 Rc4 40. Bxd6 Bxf2 41. Rf3 Rc2 42. Rxf7+ Kg8 43. Rf8+ Kg7 44. Rf3 h4 45. b5 Bb6 46. Be5+ Kg8 47. Rf6 Rc1 48. Rxb6 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "5"]
[White "Koustav, Chatterjee"]
[Black "Le, Tuan Minh"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2520"]
[BlackElo "2542"]
[PlyCount "56"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 Qb6 5. Qc1 Nc6 6. c3 Bf5 7. Nbd2 e6 8. Be2 h6 9. h3 Be7 10. 0-0 0-0 11. a4 Rac8 12. dxc5 Bxc5 13. b4 Be7 14. a5 Qd8 15. Qb2 Bd6 16. Rfd1 Bxf4 17. exf4 Qc7 18. g3 Bxh3 19. c4 Bg4 20. Rac1 Qe7 21. a6 Nxb4 22. axb7 Qxb7 23. Rb1 a5 24. Qa3 Qb6 25. Nb3 Ne4 26. c5 Rxc5 27. Nxc5 Qxc5 28. Rf1 Nxg3 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "10"]
[White "Koustav, Chatterjee"]
[Black "Santos Ruiz, Miguel"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2520"]
[BlackElo "2591"]
[PlyCount "99"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. e3 e6 5. b3 Nbd7 6. Bd3 b6 7. 0-0 Bb7 8. Nbd2 c5 9. Bb2 Rc8 10. Qe2 Be7 11. cxd5 exd5 12. Bf5 0-0 13. Ne5 Rc7 14. Ndf3 g6 15. Bxd7 Nxd7 16. Nxd7 Qxd7 17. dxc5 bxc5 18. Rac1 Qe6 19. Rfd1 d4 20. Nxd4 Qd5 21. Nf3 Qf5 22. Ba1 Rfc8 23. Ne5 h5 24. Nc4 h4 25. h3 Qg5 26. f3 Bf6 27. f4 Qf5 28. Nd6 Qe6 29. Bxf6 Qxf6 30. Nxc8 Rxc8 31. Rd2 Be4 32. Rcd1 Re8 33. Rd6 Qe7 34. Qd2 Kh7 35. Rd8 Bc6 36. Rxe8 Qxe8 37. Qf2 Qe7 38. f5 g5 39. f6 Qe4 40. Qf3 Qxf3 41. gxf3 Bxf3 42. Rd7 Kg6 43. Rxa7 Kxf6 44. a4 Kg6 45. a5 f5 46. a6 g4 47. Rc7 gxh3 48. a7 Kg5 49. Rc8 Kg4 50. Kh2 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2520"]
[BlackElo "2761"]
[PlyCount "70"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Rb8 7. a3 e6 8. Rb1 Nge7 9. d3 0-0 10. Bd2 b6 11. b4 Bb7 12. h4 h6 13. e4 Qd7 14. Qe2 f5 15. Rfe1 Rbe8 16. bxc5 dxc5 17. Rbd1 Rd8 18. exf5 exf5 19. Bf1 Rfe8 20. Qe6+ Qxe6 21. Rxe6 Kf7 22. Rde1 Bc8 23. R6e3 Nd4 24. Rd1 f4 25. Rxe7+ Rxe7 26. Nxd4 Bxd4 27. gxf4 Bg4 28. Rc1 Bxc3 29. Bxc3 Be2 30. Bg2 Rxd3 31. Bd5+ Kf8 32. Bf6 Rd7 33. Re1 Rd1 34. Rxd1 Bxd1 35. Be6 Rd6 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "3"]
[White "Kuzmin, Roman"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2274"]
[BlackElo "2520"]
[PlyCount "182"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. Nc3 Na5 10. Ba2 b4 11. Nd5 d6 12. d4 Nxd5 13. Bxd5 Bxd5 14. exd5 exd4 15. Qxd4 Rb8 16. Qd3 Ra8 17. Bd2 c5 18. dxc6 Nxc6 19. Rad1 Qd7 20. Bf4 Rfd8 21. h3 h6 22. b3 a5 23. Re2 Bf8 24. Red2 Qe6 25. Qd5 Qf6 26. Be3 Rac8 27. Bb6 Re8 28. Bxa5 Nxa5 29. Qxa5 Re4 30. Qd5 Rce8 31. a5 Qc3 32. a6 Qc7 33. Ra1 Qa7 34. Qb7 Qxb7 35. axb7 Rb8 36. Ra7 Re7 37. Rd4 Rexb7 38. Rxb7 Rxb7 39. Nd2 d5 40. Nf1 Ra7 41. Ne3 Ra1+ 42. Kh2 Bd6+ 43. g3 Bc5 44. Rxd5 Bxe3 45. fxe3 Re1 46. Rd4 Rxe3 47. Kg1 Re2 48. Rxb4 Rxc2 49. Rb8+ Kh7 50. b4 Rb2 51. h4 h5 52. b5 Kg6 53. Kf1 f6 54. Kg1 Kf5 55. b6 g5 56. hxg5 fxg5 57. b7 Kg4 58. Kf1 Kxg3 59. Rg8 Rb1+ 60. Ke2 Rxb7 61. Rxg5+ Kh4 62. Rg8 Rf7 63. Ke3 Kh3 64. Ke2 h4 65. Ke3 Kh2 66. Ke2 h3 67. Ke3 Ra7 68. Kf2 Ra2+ 69. Kf1 Rg2 70. Rh8 Rg1+ 71. Kf2 Ra1 72. Rh7 Ra2+ 73. Kf1 Kg3 74. Rg7+ Kf3 75. Rf7+ Kg3 76. Rg7+ Kh2 77. Rh7 Ra3 78. Kf2 Ra6 79. Rh8 Rf6+ 80. Ke1 Rf4 81. Ke2 Kg3 82. Rg8+ Rg4 83. Rh8 h2 84. Kf1 Rf4+ 85. Ke2 Kg2 86. Rg8+ Kh3 87. Rh8+ Rh4 88. Ra8 h1Q 89. Ra3+ Kh2 90. Re3 Qg2+ 91. Kd3 Rh3 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "7"]
[White "Makarian, Rudik"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2557"]
[BlackElo "2520"]
[PlyCount "104"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[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 Bb4 5. Qa4+ Nc6 6. Bd2 0-0 7. a3 Bxc3 8. Bxc3 Ne4 9. e3 Nxc3 10. bxc3 dxc4 11. Bxc4 Ne7 12. 0-0 c5 13. Ne5 Qc7 14. Bd3 b6 15. Qc2 h6 16. Bh7+ Kh8 17. Be4 Rb8 18. Qe2 Bb7 19. Bxb7 Rxb7 20. a4 Kg8 21. Rfc1 Rc8 22. h4 cxd4 23. cxd4 Qxc1+ 24. Rxc1 Rxc1+ 25. Kh2 Rbc7 26. Qf3 Nd5 27. h5 Nf6 28. Qa8+ Kh7 29. Qf8 Nd7 30. Qxf7 Nxe5 31. Qxe6 Nd7 32. d5 Nf6 33. e4 Re1 34. f3 Rcc1 35. g4 Re2+ 36. Kg3 Rc3 37. e5 Ne4+ 38. Kf4 Rxf3+ 39. Kxf3 Ng5+ 40. Kxe2 Nxe6 41. dxe6 Kg8 42. Kd3 Kf8 43. Kc4 a6 44. Kd5 Ke7 45. Kc6 b5 46. axb5 axb5 47. Kxb5 Kxe6 48. Kc6 Kxe5 49. Kd7 Kf4 50. Ke6 Kxg4 51. Kf7 Kxh5 52. Kxg7 Kg5 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "1"]
[White "Salman, Pavel"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2287"]
[BlackElo "2520"]
[PlyCount "84"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[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 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 Nc7 7. g4 Bd6 8. g5 Bxf4 9. gxf6 Bh6 10. fxg7 Bxg7 11. Nf3 Qe7 12. Bd3 Bd7 13. Rg1 f6 14. Qe2 0-0-0 15. 0-0-0 e5 16. e4 f5 17. exd5 e4 18. Bc4 Rhe8 19. Ne1 Bh6+ 20. Kb1 Qd6 21. dxc6 Bxc6 22. d5 Bd7 23. Bb3 Na6 24. Ng2 Nc5 25. Ne3 Nxb3 26. axb3 Kb8 27. Nc4 Qf6 28. b4 Bf4 29. b5 Rc8 30. b6 axb6 31. d6 Qd8 32. Nd5 Bb5 33. Nxf4 Bxc4 34. Qh5 Qd7 35. b3 Bg8 36. Qh6 Red8 37. Rg7 Qc6 38. Rd2 Bxb3 39. Qxh7 Bxc2+ 40. Kc1 Bd3+ 41. Kb2 Qc1+ 42. Ka2 Bc4# 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "6"]
[White "Svane, Rasmus"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2620"]
[BlackElo "2520"]
[PlyCount "48"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bf5 5. c4 e6 6. Qb3 Qb6 7. d3 Nbd7 8. cxd5 exd5 9. Qc2 Be7 10. Nc3 0-0 11. e4 dxe4 12. dxe4 Bg6 13. Nh4 Rad8 14. h3 Rfe8 15. Kh2 Bb4 16. Be3 Qa5 17. Nxg6 hxg6 18. f3 Qh5 19. Rad1 Ne5 20. Rxd8 Rxd8 21. Ne2 Neg4+ 22. fxg4 Nxg4+ 23. Kh1 Nxe3 24. Qd1 Rxd1 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "11"]
[White "Tica, Sven"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "2439"]
[BlackElo "2520"]
[PlyCount "25"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. d4 d6 6. Qe2 Be7 7. exd6 Qxd6 8. Qb5+ Nc6 9. Qxh5 0-0 10. Bd3 g6 11. Qh6 Re8 12. 0-0 g5 13. Qxh7+ 1-0

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2023.01.03"]
[Round "13"]
[White "Hari, Madhavan NB"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2385"]
[BlackElo "2508"]
[PlyCount "135"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[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. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 0-0 8. Qc2 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. Bxf6 Bxf6 12. b4 a6 13. a4 g6 14. b5 a5 15. bxc6 bxc6 16. Rad1 Ne6 17. e4 Nxd4 18. Nxd4 Bxd4 19. Ne2 Bf6 20. Qxc6 Bd7 21. Qc2 Rc8 22. Qa2 Rb8 23. Nf4 Rb4 24. Bb5 Bxb5 25. axb5 d4 26. Nd5 Rxb5 27. Qa4 Rxd5 28. exd5 Re7 29. Ra1 Qxd5 30. Qxa5 Qd7 31. Rae1 Kg7 32. Rxe7 Qxe7 33. Re1 Qd7 34. Qd2 h5 35. Qd3 Qc6 36. g3 Qd5 37. h4 Qc6 38. Qe4 Qd7 39. Rd1 Qd8 40. Rd3 Qd7 41. Kg2 Qd6 42. f3 Qd7 43. Rd2 Qc8 44. Rc2 Qd7 45. Rc1 Qb5 46. Rb1 Qc4 47. Rf1 Qc8 48. Qd3 Qe6 49. f4 Qd5+ 50. Qf3 Qe6 51. f5 Qe3 52. fxg6 Qxf3+ 53. Kxf3 fxg6 54. Ke4 Be7 55. Ke5 g5 56. hxg5 Kg6 57. Ke6 Bb4 58. Ke5 Kxg5 59. Rf7 Kg4 60. Rg7+ Kf3 61. Kxd4 Bd6 62. Rh7 Bxg3 63. Rxh5 Kg2 64. Ke3 Bf2+ 65. Ke2 Bg1 66. Rg5+ Kh1 67. Kf1 Bh2 68. Rg6 1/2-1/2

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2023.01.02"]
[Round "12"]
[White "Koustav, Chatterjee"]
[Black "Karthik, Venkataraman"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2508"]
[BlackElo "2503"]
[PlyCount "70"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. 0-0 Qd7 9. e3 0-0-0 10. Nc3 h5 11. b3 Bb4 12. Qc2 cxb3 13. axb3 Bxc3 14. Qxc3 Nd5 15. Qb2 a6 16. Bd2 f5 17. Rfc1 Kb8 18. Rc5 Na7 19. h4 Nb5 20. Rac1 Rc8 21. Qb1 Nf6 22. Qd3 Rhe8 23. Qe2 g6 24. Ba5 Nd5 25. Bd2 c6 26. Rd1 Qg7 27. Rcc1 Rcd8 28. Kf1 e5 29. dxe5 Qxe5 30. Ba5 Nbc3 31. Rxd5 Nxe2 32. Rxe5 Nxc1 33. Bxd8 Rxe5 34. b4 Re6 35. e4 Rd6 0-1

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2023.01.01"]
[Round "11"]
[White "Srihari, LR."]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2429"]
[BlackElo "2508"]
[PlyCount "112"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[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. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Nc3 a5 8. Ne5 Nfd7 9. Nxd7 Nxd7 10. b3 f5 11. a4 Bf6 12. Ba3 Re8 13. e3 Kh8 14. Qc2 Nb8 15. Rad1 Na6 16. Rfe1 Be7 17. Bb2 Nb4 18. Qb1 Rf8 19. Ne2 g5 20. Nc1 Bd7 21. Nd3 Nxd3 22. Qxd3 g4 23. h3 gxh3 24. Bxh3 Rg8 25. Bg2 Bd6 26. c5 Bc7 27. Kf1 Rb8 28. Ke2 b5 29. Bc3 Bc8 30. Kd2 Ba6 31. Rh1 Ra8 32. Qc2 Bxg3 33. fxg3 Rxg3 34. Kc1 Qg5 35. Bf1 bxa4 36. Bd2 axb3 37. Qxb3 f4 38. Bxa6 fxe3 39. Qb7 exd2+ 40. Kb2 Qg8 41. Rxh7+ Qxh7 42. Qxa8+ Rg8 43. Qxc6 Rb8+ 44. Kc3 Qh3+ 45. Kc2 Qb3+ 46. Kxd2 Qb2+ 47. Ke3 Qg2 48. Bb5 Rf8 49. Be2 Qe4+ 50. Kd2 Qxd4+ 51. Kc2 Qe3 52. Bd3 Kg7 53. Rd2 Rf2 54. Qc7+ Kf6 55. Qd8+ Kf7 56. Qc7+ Kf6 1/2-1/2

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.31"]
[Round "10"]
[White "Koustav, Chatterjee"]
[Black "Mitrabha, Guha"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2508"]
[BlackElo "2487"]
[PlyCount "117"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 11. Nh4 Be7 12. Ne2 Nb6 13. Ng3 Bb4+ 14. Kd1 Na4 15. Ngf5 b5 16. Rb1 a5 17. Bd3 Kd7 18. Ke2 Rhe8 19. g4 Nb6 20. Ng2 Nc4 21. Nf4 Kc7 22. Nh5 Bxh5 23. gxh5 Bf8 24. h6 Nd6 25. Ng7 Bxg7 26. hxg7 f5 27. Rhg1 Rg8 28. Rg5 h6 29. Rh5 Rxg7 30. Rxh6 Re8 31. Rh4 Rg4 32. Rxg4 fxg4 33. f3 Rh8 34. Rh1 f5 35. Kf2 Rh3 36. Be2 g3+ 37. Kg2 Rxh2+ 38. Rxh2 gxh2 39. Kxh2 f4 40. Bd3 fxe3 41. Kg3 Nc4 42. b3 Nb2 43. Be2 c5 44. dxc5 d4 45. Bxb5 d3 46. f4 d2 47. Be2 Kc6 48. f5 Kxc5 49. f6 Kd6 50. f7 Ke7 51. Kf3 d1Q 52. Bxd1 Nxd1 53. Ke2 Nc3+ 54. Kxe3 Kxf7 55. Kd4 Nxa2 56. Kc4 Nc1 57. Kb5 Nxb3 58. Ka4 Nd4 59. Kxa5 1/2-1/2

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.30"]
[Round "9"]
[White "Sethuraman, SP."]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2642"]
[BlackElo "2508"]
[PlyCount "100"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[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 Rc8 16. 0-0 Qd8 17. Qe3 Rc4 18. Rfb1 Be7 19. h3 0-0 20. Kh2 Bc8 21. Ra7 f6 22. Rd1 fxe5 23. Bxe5 Bf6 24. Rd2 Bxe5 25. Qxe5 Qf6 26. Qxf6 gxf6 27. Ne2 Rf7 28. Rxf7 Kxf7 29. c3 Bd7 30. f5 e5 31. Rxd5 Bxf5 32. Ra5 Rc6 33. Kg1 Be6 34. Kf2 Rb6 35. a4 Rb2 36. Kf3 Bb3 37. Nc1 Bc4 38. Rc5 Bf1 39. g4 Rc2 40. Nb3 Bxh3 41. a5 Kg6 42. Rc7 h6 43. Kg3 Bf1 44. Rc8 Be2 45. Rc7 h5 46. gxh5+ Bxh5 47. Na1 Rb2 48. Rc6 Kg5 49. Rb6 Ra2 50. Nb3 f5 0-1

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.29"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "Vignesh, NR."]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2508"]
[BlackElo "2493"]
[PlyCount "113"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bc4 e6 6. d4 cxd4 7. cxd4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Qe4 Ndb4 11. exd6 Qxd6 12. Nc3 Na5 13. Bb5 a6 14. Bf4 Qd8 15. Ba4 Bd7 16. Bxd7 Qxd7 17. Ne5 Qd8 18. Rad1 Nd5 19. Nxd5 exd5 20. Qf5 Qc8 21. Qd7 Qd8 22. Rc1 Bf6 23. Rc7 Nc6 24. Rd1 Bxe5 25. dxe5 Qh4 26. Qf5 g6 27. Qg5 Qxg5 28. Bxg5 Nxe5 29. Rxd5 f6 30. Bxf6 Rxf6 31. Rxe5 Rf7 32. Ree7 Rd8 33. g4 Rxe7 34. Rxe7 b5 35. Re2 Kf7 36. Kg2 Kf6 37. Rc2 Rd6 38. h4 h6 39. Kf3 b4 40. Ke4 a5 41. f4 b3 42. axb3 Rb6 43. g5+ hxg5 44. hxg5+ Ke6 45. Rc7 Rb4+ 46. Kf3 Rxb3+ 47. Kg4 Rb6 48. Rg7 Kd5 49. Rf7 a4 50. Rf6 Rxb2 51. Rxg6 a3 52. Ra6 a2 53. g6 Rb6 54. Rxa2 Rxg6+ 55. Kf5 Rg8 56. Rd2+ Kc6 57. Ke6 1-0

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.28"]
[Round "7"]
[White "Aaryan, Varshney"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2346"]
[BlackElo "2508"]
[PlyCount "126"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bh4 g5 11. Bg3 Nh6 12. dxe5 fxe5 13. h3 g4 14. hxg4 Bxg4 15. Ne1 Bxe2 16. Nxe2 Kh8 17. Nf3 Qe8 18. Nc3 Nd8 19. c5 dxc5 20. Qd5 c6 21. Qxc5 Ne6 22. Qb4 Rxf3 23. gxf3 Qh5 24. Rfd1 Nf7 25. Rd7 Nfg5 26. Rxg7 Qh3 27. Rf7 Nxf7 28. Qe7 Nfg5 29. Qf6+ Kg8 30. Qf5 Qh5 31. Kg2 Rf8 32. Qg4 Qg6 33. Rh1 Nf4+ 34. Bxf4 Rxf4 35. Qc8+ Rf8 36. Qg4 Rf4 37. Qc8+ Rf8 38. Qg4 Nxf3 39. Qxg6+ hxg6 40. Rh3 Nd4 41. Rg3 Kg7 42. Rg5 Kf6 43. Rg3 Ne6 44. Kf1 Rd8 45. Ke1 Nf4 46. b3 Rd4 47. f3 Rd3 48. Nd1 a5 49. Nb2 Re3+ 50. Kd1 Re2 51. Kc1 Rf2 52. Rg4 g5 53. Kb1 b5 54. Nd1 Rxf3 55. Kc2 Kg6 56. Rg1 Kh5 57. Rh1+ Rh3 58. Rg1 g4 59. Nb2 g3 60. Nd1 g2 61. Nf2 Rf3 62. Nd1 Rf1 63. Rxg2 Nxg2 0-1

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.27"]
[Round "6"]
[White "Koustav, Chatterjee"]
[Black "Aronyak, Ghosh"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2508"]
[BlackElo "2521"]
[PlyCount "40"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Bd6 6. Bg3 Bxg3 7. hxg3 Qe7 8. Bd3 Nc6 9. c4 e5 10. d5 e4 11. dxc6 Bxc6 12. Be2 exf3 13. Bxf3 0-0-0 14. Bxc6 dxc6 15. Qe2 Rd7 16. Nf3 Rdd8 17. Nd2 Rd7 18. Nf3 Rdd8 19. Nd2 Rd7 20. Nf3 Rdd8 1/2-1/2

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.26"]
[Round "5"]
[White "Gupta, Abhijeet"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2601"]
[BlackElo "2508"]
[PlyCount "63"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[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. Nc3 Bb4 4. g3 0-0 5. Bg2 d5 6. Nf3 dxc4 7. 0-0 Nc6 8. Re1 Rb8 9. e4 h6 10. a3 Bxc3 11. bxc3 b5 12. Rb1 Ne7 13. a4 a6 14. Ba3 Re8 15. Ne5 Bd7 16. Rb2 Nc6 17. f4 bxa4 18. Nxc4 Na7 19. Bc5 Nb5 20. Rc2 Bc6 21. Na5 Ba8 22. c4 c6 23. Qd2 Nc7 24. e5 Nd7 25. Bd6 Qc8 26. Nxc6 Bxc6 27. Bxc6 Rd8 28. d5 Rb6 29. Qa5 Qb8 30. c5 Rb1 31. Rce2 Rxe1+ 32. Rxe1 1-0

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.25"]
[Round "4"]
[White "Koustav, Chatterjee"]
[Black "Nitin, Senthilvel"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2508"]
[BlackElo "2372"]
[PlyCount "85"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 0-0 5. c4 d6 6. Nc3 c6 7. e4 Be6 8. Qd3 Na6 9. 0-0 Bg4 10. Be3 Nd7 11. h3 Bxf3 12. Bxf3 c5 13. Rfd1 cxd4 14. Bxd4 Ne5 15. Qe2 Qc8 16. Nd5 Re8 17. Bxe5 Bxe5 18. h4 Nc5 19. h5 Qd8 20. Kg2 Ne6 21. Qe3 Nf8 22. Rab1 e6 23. Nb4 Qf6 24. b3 a5 25. Nc2 a4 26. b4 Rac8 27. Be2 Qe7 28. Nd4 d5 29. c5 dxe4 30. Qxe4 Bg7 31. Nb5 Red8 32. Bf3 Rb8 33. Rxd8 Qxd8 34. Rd1 Qe7 35. Qc2 e5 36. Bd5 Ne6 37. hxg6 hxg6 38. Qxa4 Ng5 39. Qa7 Rd8 40. c6 Qxb4 41. cxb7 Rxd5 42. b8Q+ Bf8 43. Nd4 1-0

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.24"]
[Round "3"]
[White "Srihari, Lakshmi"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2356"]
[BlackElo "2508"]
[PlyCount "108"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[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. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Re1 Bg4 9. h3 Bh5 10. Nbd2 Nb6 11. Bb3 Qxd3 12. Nxe5 Qf5 13. Nef3 Rad8 14. Qe2 Nd5 15. Qe4 Qxe4 16. Nxe4 Bb6 17. g4 Bg6 18. Bg5 f6 19. Rad1 Bf7 20. Bc1 Nde7 21. Bxf7+ Kxf7 22. b4 Ng6 23. Kg2 h6 24. Rxd8 Rxd8 25. Be3 Bxe3 26. Rxe3 a5 27. b5 Nce5 28. Nd4 Nf4+ 29. Kh2 b6 30. Nd2 g5 31. N2b3 a4 32. Na1 Nd5 33. Rg3 Nxc3 34. Nc6 Nxc6 35. Rxc3 Ne5 36. Rxc7+ Rd7 37. Rxd7+ Nxd7 38. Nc2 Ke6 39. Ne3 Kd6 40. Kg3 Kc5 41. Kf3 Kxb5 42. a3 Ne5+ 43. Ke4 Nc4 44. Nc2 Kc5 45. f4 b5 46. f5 Nxa3 47. Nxa3 b4 48. Nc2 b3 49. Kd3 bxc2 50. Kxc2 Kd4 51. Kb2 Ke3 52. Ka3 Kf3 53. Kxa4 Kg3 54. Kb5 Kxh3 0-1

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.23"]
[Round "2"]
[White "Koustav, Chatterjee"]
[Black "Gandhi, Anish"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2508"]
[BlackElo "2197"]
[PlyCount "69"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. Bg2 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 a5 8. d3 Na6 9. a3 b5 10. Qc2 Qb6 11. cxb5 cxb5 12. Bd4 Qb7 13. Qb2 b4 14. e4 dxe4 15. dxe4 Rd8 16. Nbd2 Bd7 17. Nc4 Bb5 18. Nxa5 Qc7 19. Nc4 Nc5 20. axb4 Nxb3 21. Qxb3 Rxa1 22. Rxa1 Qxc4 23. Qb2 Qd3 24. Re1 Rc8 25. Bf1 Qxf3 26. Bxb5 Nxe4 27. Bxg7 Ng5 28. Bf1 Qf5 29. Bh6 Nf3+ 30. Kh1 e5 31. Rc1 Rd8 32. Be3 Qh5 33. h3 f5 34. Qb3+ Kh8 35. Qf7 1-0

[Event "IND-ch 59th"]
[Site "New Delhi"]
[Date "2022.12.22"]
[Round "1"]
[White "Chandar, Raju"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1918"]
[BlackElo "2508"]
[PlyCount "64"]
[EventDate "2022.12.22"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "IND"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qg4 g6 8. Nc3 Nc6 9. Bd2 d6 10. Qg3 Qc7 11. 0-0-0 Bd7 12. Be2 f6 13. Be1 Bb8 14. f4 Nge7 15. Qh4 0-0 16. g4 b5 17. f5 Ba7 18. fxe6 Bxe6 19. Rf1 g5 20. Qg3 Ne5 21. Nd4 Bxd4 22. Rxd4 Rac8 23. h4 N7c6 24. Rd2 b4 25. Nd5 Bxd5 26. exd5 Nd4 27. Bd1 Qc4 28. Qg1 b3 29. axb3 Nxb3+ 30. Kb1 Qa4 31. c3 Qa1+ 32. Kc2 Rb8 0-1

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.10"]
[Round "11.3"]
[White "Rahman, Siddiqur"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1970"]
[BlackElo "2496"]
[PlyCount "80"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Rupali Bank Krira Parisad"]
[BlackTeam "Titas CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. a3 g6 6. Bg5 Bg7 7. e3 d6 8. Be2 Nbd7 9. 0-0 h6 10. Bh4 0-0 11. Qc2 g5 12. Bg3 Nh5 13. h3 f5 14. Bh2 g4 15. hxg4 fxg4 16. Nd2 g3 17. Bxh5 gxh2+ 18. Kh1 Bxg2+ 19. Kxg2 Qg5+ 20. Kh1 Qxh5 21. Qe4 Rae8 22. f4 c5 23. Rf2 Nf6 24. Qf3 Qxf3+ 25. Rxf3 cxd4 26. exd4 Ng4 27. Ne2 e5 28. fxe5 dxe5 29. d5 Rxf3 30. Nxf3 e4 31. Nxh2 Nxh2 32. Kxh2 Bxb2 33. Ra2 Be5+ 34. Kh3 Rf8 35. Ng1 Rf1 36. Ne2 Rf2 37. Kg4 Kg7 38. Nc1 Rf1 39. Ne2 Kg6 40. a4 Rf3 0-1

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.09"]
[Round "10.2"]
[White "Koustav, Chatterjee"]
[Black "Sandipan, Chanda"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2496"]
[BlackElo "2474"]
[PlyCount "93"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Titas CC"]
[BlackTeam "Bangladesh Police"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 e6 7. Nc3 d5 8. cxd5 exd5 9. Bg5 c6 10. b4 Qd6 11. Qb3 Ne4 12. b5 Nxg5 13. Nxg5 h6 14. bxc6 bxc6 15. Nxd5 Kh8 16. Nh3 Na6 17. Nc3 Rb8 18. Qd1 g5 19. e3 f4 20. Re1 f3 21. Bf1 c5 22. Rb1 cxd4 23. Nb5 Qg6 24. Nxd4 Qh5 25. Kh1 Rxb1 26. Qxb1 Nc5 27. Rc1 Bxh3 28. Rxc5 Bxf1 29. Qxf1 Bxd4 30. exd4 Qg4 31. d5 Qd4 32. Rc7 Re8 33. h3 Qxd5 34. Qb1 Qe4 35. Qb2+ Qe5 36. Qc2 Qe4 37. Qc3+ Qe5 38. Qc2 Qe4 39. Qc5 a5 40. Kh2 Qe5 41. Qb6 Re6 42. Qb7 Kg8 43. Qc8+ Re8 44. Qd7 Qxc7 45. Qxc7 Re2 46. Qc5 Kg7 47. g4 1-0

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.08"]
[Round "9.4"]
[White "Mohammad Fahad, Rahman"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2380"]
[BlackElo "2496"]
[PlyCount "89"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "SAIF Sporting Club"]
[BlackTeam "Titas CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 0-0 7. Bd2 a5 8. a3 Bxc3 9. Bxc3 Ne7 10. Qc2 b6 11. cxd5 exd5 12. Bd3 Ba6 13. Bxa6 Rxa6 14. 0-0 Ne4 15. Rac1 Re8 16. Ne5 c5 17. Qd3 Ra8 18. dxc5 bxc5 19. Rfd1 Qb6 20. Qe2 Nxc3 21. Rxc3 c4 22. Qc2 a4 23. h3 Ra5 24. Nf3 Nc6 25. Rd2 h6 26. Qd1 Rd8 27. e4 dxe4 28. Rxd8+ Nxd8 29. Rxc4 exf3 30. Rc8 Kh7 31. Qxd8 Qb5 32. Qg8+ Kg6 33. Rc3 Qxb2 34. Rxf3 Qc1+ 35. Kh2 Qc7+ 36. Kg1 Qc1+ 37. Kh2 Qc7+ 38. Kg1 Rd5 39. Rg3+ Rg5 40. Rf3 Rd5 41. Rg3+ Rg5 42. Rf3 h5 43. Qf8 Qb7 44. Qd6+ Kh7 45. Kh2 1/2-1/2

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.07"]
[Round "8.1"]
[White "Koustav, Chatterjee"]
[Black "Muthaiah, Al"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "2496"]
[BlackElo "2454"]
[PlyCount "80"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Titas CC"]
[BlackTeam "Leonine CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. Qc2 Nc6 7. b3 Be7 8. Bb2 0-0 9. h4 f5 10. Be2 b6 11. g4 Ndb4 12. Qb1 Ba6 13. Bxa6 Nxa6 14. gxf5 exf5 15. Ne2 Nab4 16. Nf4 Bf6 17. Rg1 Qd7 18. a3 Nd5 19. Nh5 Bxb2 20. Qxb2 g6 21. 0-0-0 Rae8 22. d4 cxd4 23. Nxd4 Ne5 24. Ne2 Qb5 25. Kb1 Qxe2 26. Rxd5 Qxh5 27. Rxe5 Qxh4 28. Rxe8 Rxe8 29. Rc1 Qe7 30. Ka2 Rd8 31. a4 h5 32. Rc6 Kh7 33. f4 Rd7 34. Qg2 Qg7 35. Rc2 Rd1 36. Rb2 Qe7 37. Qg3 Rd3 38. Rc2 Rxe3 39. Qg2 Qf7 40. Rc4 Qe7 0-1

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.06"]
[Round "7.5"]
[White "Aradhya, Garg"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2289"]
[BlackElo "2496"]
[PlyCount "92"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sheikh Russel"]
[BlackTeam "Titas CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. 0-0 0-0 10. Be3 d6 11. h3 Be6 12. Qc2 Qe7 13. Rfd1 Rfd8 14. Rac1 Bc5 15. Qe2 Nd7 16. Bxc5 dxc5 17. Nd5 cxd5 18. exd5 Bxh3 19. gxh3 Qd6 20. Rc3 g6 21. Bc2 f5 22. Ba4 Nf6 23. Bc6 Rac8 24. Re1 e4 25. Ra3 Rc7 26. Ra6 Qe5 27. Qd2 f4 28. d6 Rxc6 29. Rxc6 e3 30. fxe3 f3 31. Qf2 Qg5+ 32. Kh2 Qe5+ 33. Qg3 Qxb2+ 34. Kg1 Qc3 35. Rf1 Qxe3+ 36. Kh2 Rf8 37. d7 Nxd7 38. Rxg6+ hxg6 39. Qxg6+ Kh8 40. Qh5+ Kg7 41. Qg4+ Kh6 42. Qh4+ Kg6 43. Qg4+ Qg5 44. Qe6+ Kh5 45. Rg1 Qe5+ 46. Qxe5+ Nxe5 0-1

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.04"]
[Round "5.2"]
[White "Koustav, Chatterjee"]
[Black "Habibur, Rahman Sohel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2496"]
[BlackElo "1871"]
[PlyCount "63"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Titas CC"]
[BlackTeam "Sultana Kamal Smirity Pathagar"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 a6 8. Ba4 b5 9. Bb3 Bb7 10. Nc3 Nf6 11. e5 dxe5 12. dxe5 Ng4 13. Bxf7+ Kxf7 14. Ng5+ Ke8 15. Qxg4 Nxe5 16. Qg3 Qd3 17. Be3 Qf5 18. Rad1 h6 19. Nh3 Kf7 20. Bd4 Rad8 21. Ne2 Rd6 22. f4 Nc4 23. Ng5+ Kg8 24. Bxg7 Kxg7 25. Rxd6 Nxd6 26. Nd4 Qd5 27. Nge6+ Kh7 28. f5 g5 29. h4 Nf7 30. f6 exf6 31. Rxf6 Kg8 32. Rg6+ 1-0

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.03"]
[Round "4.2"]
[White "Iniyan, Panneerseluam"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2534"]
[BlackElo "2496"]
[PlyCount "38"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Manha's Castle"]
[BlackTeam "Titas CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

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 Re8 11. a3 c5 12. dxc5 bxc5 13. Ne5 Bb7 14. Bf4 Bf8 15. Nc4 Bc6 16. Ne5 Bb7 17. Nc4 Bc6 18. Ne5 Bb7 19. Nc4 Bc6 1/2-1/2

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.02"]
[Round "3.2"]
[White "Koustav, Chatterjee"]
[Black "Ghosh, Diptayan"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2496"]
[BlackElo "2544"]
[PlyCount "54"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Titas CC"]
[BlackTeam "Bangladesh Biman"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e3 0-0 6. Bd3 Bxc3+ 7. Qxc3 e5 8. Ne2 e4 9. Bc2 d5 10. cxd5 Nxd5 11. Qa3 Re8 12. 0-0 Bf5 13. Ng3 Bg6 14. Qb3 Nc6 15. Bd2 Qd7 16. Qxb7 Rab8 17. Qa6 h5 18. Ba4 Rb6 19. Qc4 h4 20. Rfc1 Re6 21. Ne2 Bh5 22. Nf4 Nxf4 23. exf4 Rg6 24. Be3 Bf3 25. Kf1 Rxg2 26. b3 Rg1+ 27. Kxg1 Qh3 0-1

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.12.01"]
[Round "2.2"]
[White "Pantsulaia, Levan"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2597"]
[BlackElo "2496"]
[PlyCount "68"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Palli Sanchoy Bank"]
[BlackTeam "Titas CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 d4 5. 0-0 c5 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 9. Na3 0-0 10. Nc2 e5 11. b4 Re8 12. c5 Bf8 13. Bg5 Bf5 14. Nh4 Be6 15. f4 h6 16. Bxf6 Qxf6 17. f5 Bd7 18. Be4 Rab8 19. Qh5 Ne7 20. g4 Bc6 21. Ne1 Nd5 22. b5 Nf4 23. Rxf4 exf4 24. bxc6 Rxe4 25. dxe4 d3 26. Rd1 Qd4+ 27. Kh1 Qxe4+ 28. Nef3 Qe2 29. Rd2 Qf1+ 30. Ng1 bxc6 31. g5 Rb1 32. Nhf3 Bxc5 33. Rg2 Bxg1 34. Rxg1 d2 0-1

[Event "BAN-chT Premier"]
[Site "Dhaka"]
[Date "2022.11.30"]
[Round "1.2"]
[White "Koustav, Chatterjee"]
[Black "Aaryan, Varshney"]
[Result "1/2-1/2"]
[ECO "C97"]
[WhiteElo "2496"]
[BlackElo "2312"]
[PlyCount "192"]
[EventDate "2022.11.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BAN"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Titas CC"]
[BlackTeam "Uttara Central CC"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

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 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 13. b3 Nb7 14. c4 Na5 15. Bd3 Rfb8 16. Nc3 bxc4 17. bxc4 Rb4 18. Ba3 Rb7 19. Rc1 Rbb8 20. Ne2 Nb7 21. Rc3 Qa5 22. Bc2 Nh5 23. Qd3 g6 24. g4 Ng7 25. Ng3 Nd8 26. Bc1 f6 27. Kh2 Nf7 28. Ra3 Qc7 29. Bd2 Ng5 30. Nxg5 fxg5 31. Ba4 Bxa4 32. Rxa4 Rb2 33. Rb1 Qb7 34. Rxb2 Qxb2 35. Ne2 h6 36. Nc1 Qb7 37. Ra3 Rb8 38. Qb3 Qc8 39. Qa4 Rb2 40. Nb3 Rc2 41. Be3 Rc3 42. Na5 Rxa3 43. Qxa3 Ne8 44. Nc6 Bf8 45. Qb3 Nf6 46. f3 Nd7 47. h4 gxh4 48. Bxh6 Nf6 49. Kh3 Qe8 50. Bg5 Nh7 51. Bxh4 Qf7 52. Bg3 Ng5+ 53. Kg2 Qh7 54. Qb1 Qf7 55. Qd1 Qh7 56. Na5 Qh3+ 57. Kf2 Bh6 58. Qg1 Nf7 59. Qh2 Qxh2+ 60. Bxh2 Kf8 61. Nc6 Ke8 62. Ke2 Kd7 63. Bg3 Bg5 64. Kd3 Kc7 65. Be1 Kb7 66. Ba5 Kc8 67. Kc2 Kb7 68. Kb3 Kc8 69. Ka3 Kb7 70. Kb3 Kc8 71. Bc3 Kc7 72. Kc2 Kb7 73. Kd3 Kc7 74. Be1 Kb7 75. Bg3 Kc7 76. Ke2 Kb7 77. Na5+ Kb6 78. Nb3 Kc7 79. Bf2 Kb6 80. Kd3 Be7 81. Be3 g5 82. Nd2 Bf8 83. Nf1 Bg7 84. Ng3 Kb7 85. Nf5 Bf8 86. Bd2 Kb6 87. Ke2 Kc7 88. Ba5+ Kb7 89. Kd3 Kc8 90. Kc3 Kb7 91. Kb3 Ka7 92. Ne3 Kb7 93. Nd1 Be7 94. Nb2 Bf8 95. Na4 Be7 96. Ka3 Bf6 1/2-1/2

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "3"]
[White "Adhiban, Baskaran"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2603"]
[BlackElo "2496"]
[PlyCount "166"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 g6 6. Nc3 dxe5 7. fxe5 Bg7 8. c5 Nd5 9. Bc4 Nxc3 10. bxc3 0-0 11. Nf3 b6 12. Ba3 Ba6 13. Bxa6 Nxa6 14. Qa4 Nb8 15. 0-0 Qe8 16. Qxe8 Rxe8 17. Ng5 f5 18. Ne6 Na6 19. g4 fxg4 20. c6 h5 21. c4 Bh6 22. Rad1 Rac8 23. d5 Nc5 24. Bxc5 bxc5 25. Kg2 Be3 26. h3 gxh3+ 27. Kxh3 Kh7 28. Rf7+ Kh6 29. Kg3 Bd4 30. Kf4 Rb8 31. Nxc7 Rf8 32. Rxf8 Rxf8+ 33. Ke4 Rf5 34. Ne6 Bxe5 35. Rb1 Bd6 36. Rb7 Rf2 37. Rxa7 h4 38. c7 Bxc7 39. Rxc7 h3 40. Rc8 Kh5 41. Rh8+ Kg4 42. Rg8 h2 43. Rxg6+ Kh5 44. Rg5+ Kh6 45. Ke3 h1Q 46. Kxf2 Qh4+ 47. Ke3 Qxc4 48. a3 Qc3+ 49. Ke4 Qxa3 50. Rg8 Qb4+ 51. Kf5 Qb1+ 52. Ke5 Qe1+ 53. Kf5 Qf2+ 54. Ke5 Qe3+ 55. Kf5 Qd3+ 56. Ke5 Qe3+ 57. Kf5 Qf3+ 58. Ke5 Qf6+ 59. Ke4 c4 60. Rc8 Qh4+ 61. Kf5 Qf2+ 62. Ke4 Qe2+ 63. Kf5 Qd3+ 64. Ke5 Qg3+ 65. Kf5 Qf3+ 66. Ke5 Qe3+ 67. Kf5 Qf3+ 68. Ke5 Qf6+ 69. Ke4 Qg6+ 70. Ke5 Qf6+ 71. Ke4 c3 72. Nd4 Qg6+ 73. Ke5 Qf6+ 74. Ke4 Qg6+ 75. Kf4 Qg5+ 76. Kf3 Qxd5+ 77. Ke3 e5 78. Nf5+ Kg5 79. Ng3 Qd4+ 80. Kf3 Qd3+ 81. Kf2 c2 82. Ne2 e4 83. Rc3 Qxc3 0-1

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "6"]
[White "Koustav, Chatterjee"]
[Black "Aaryan, Varshney"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2496"]
[BlackElo "2312"]
[PlyCount "119"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. d4 Bg7 6. Be2 0-0 7. 0-0 b6 8. a4 Bb7 9. a5 bxa5 10. Qa4 Nbd7 11. Qxa5 dxc4 12. Bxc4 Qb6 13. b4 Qxa5 14. Rxa5 Nb6 15. Bb3 Nfd5 16. Nxd5 cxd5 17. b5 Rfc8 18. Ba3 Rc3 19. Ba2 e6 20. Bb4 Rc2 21. Ne1 Rc1 22. Nd3 Rxf1+ 23. Kxf1 a6 24. Nc5 Bc8 25. bxa6 Bf8 26. a7 Bd6 27. Ke2 Bc7 28. Ra3 Nc4 29. Bxc4 dxc4 30. Ne4 Bb7 31. f3 Bb6 32. Bc5 Bc7 33. Kd2 f5 34. Ng5 e5 35. Ne6 Bd8 36. dxe5 Kf7 37. Nd4 Bc7 38. e6+ Kf6 39. Kc3 Be5 40. Kxc4 Rc8 41. Kb5 Bd5 42. e7 Kf7 43. e4 fxe4 44. fxe4 Bxe4 45. Re3 Bxd4 46. Bxd4 Bc6+ 47. Kb4 Bd5 48. Bc5 Ke8 49. Re2 Kd7 50. Rd2 Ke6 51. Rf2 Kd7 52. Rf8 Re8 53. Kc3 Bb7 54. g3 Bc6 55. Kd4 Bb7 56. Ke5 Ba8 57. Kf6 Bc6 58. Kg7 h5 59. Kxg6 Bb7 60. Kxh5 1-0

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "2"]
[White "Koustav, Chatterjee"]
[Black "Jumabayev, Rinat"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2496"]
[BlackElo "2620"]
[PlyCount "67"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Nh5 6. dxc5 Nxf4 7. exf4 g6 8. c3 Bh6 9. g3 0-0 10. Nb3 a5 11. a4 Bg7 12. Bg2 b6 13. 0-0 bxc5 14. Nxc5 Rb8 15. Ra2 d4 16. cxd4 Nxd4 17. Ne5 Qd6 18. Ne4 Qb6 19. Nc3 Be6 20. Bd5 Rfd8 21. Bxe6 Qxe6 22. Re1 Rbc8 23. Kg2 Bxe5 24. fxe5 Qc6+ 25. f3 Nb3 26. Qxb3 Rd3 27. Rf1 Rd2+ 28. Rf2 Rxf2+ 29. Kxf2 Qc5+ 30. Kg2 Rd8 31. Qc2 Qe3 32. Ne4 Rd3 33. Qf2 Qc1 34. b3 1-0

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "4"]
[White "Koustav, Chatterjee"]
[Black "Mendonca, Leon Luke"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2496"]
[BlackElo "2565"]
[PlyCount "102"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. d4 Bb7 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. Re1 Qc8 8. Nc3 Ne4 9. Bd2 d6 10. Nxe4 Bxe4 11. Bc3 Qb7 12. Bh3 Nd7 13. Nd2 Bg6 14. Bg2 c6 15. b4 b5 16. cxb5 Qxb5 17. a4 Qb7 18. b5 d5 19. e4 Nf6 20. e5 Nd7 21. bxc6 Qxc6 22. Rc1 Rfc8 23. h4 h6 24. h5 Bh7 25. Nf3 Qb6 26. a5 Qb7 27. Qd2 Rc7 28. Bb2 Rac8 29. Rxc7 Rxc7 30. Rc1 Rxc1+ 31. Qxc1 Bb4 32. a6 Qxa6 33. Qc7 Nf8 34. g4 Qa5 35. Qc8 Qa2 36. Bc1 Qc2 37. Qxc2 Bxc2 38. Kf1 a5 39. Ne1 Bb1 40. Ke2 a4 41. Nd3 Bc3 42. Ke3 Nd7 43. Bf1 Nb6 44. Nc5 Bb4 45. Bb5 a3 46. Nb3 a2 47. Bb2 Nc4+ 48. Bxc4 dxc4 49. Nc1 c3 50. Ba1 Ba3 51. Ne2 Bb2 0-1

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "Pranesh, M."]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2496"]
[BlackElo "2438"]
[PlyCount "164"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 e6 4. e3 c5 5. Nbd2 Bd6 6. c3 0-0 7. Bd3 cxd4 8. Bxd6 Qxd6 9. exd4 b6 10. 0-0 Ba6 11. Bxa6 Nxa6 12. Ne5 Nd7 13. Re1 f6 14. Nxd7 Qxd7 15. Qg4 Nc7 16. Re3 Rfe8 17. Rae1 Re7 18. Rh3 a5 19. Qh4 h6 20. Rhe3 a4 21. a3 Qb5 22. Rb1 e5 23. dxe5 Rxe5 24. Rxe5 fxe5 25. Qe7 Qd3 26. Qxc7 Qxd2 27. Qxe5 Kh8 28. Qe3 Qc2 29. Qc1 Qe4 30. Qe1 Qc2 31. Qd1 Qe4 32. Rc1 Re8 33. h3 Qe2 34. Qxa4 Rf8 35. Qd4 Qxb2 36. Re1 Qxa3 37. Re6 Qc1+ 38. Kh2 Qf4+ 39. Qxf4 Rxf4 40. Kg3 Rc4 41. Rxb6 Rxc3+ 42. f3 Rc2 43. Rd6 Rd2 44. h4 Kh7 45. h5 d4 46. Rd7 d3 47. Kh3 Rd1 48. g4 Kg8 49. Kg3 Kf8 50. Kf4 Ke8 51. Rd4 Kf7 52. Ke3 Re1+ 53. Kxd3 Kf6 54. Re4 Ra1 55. Ke3 Ra3+ 56. Kf4 Ra6 57. Rb4 Rc6 58. Rb5 Rc4+ 59. Kg3 Ra4 60. Rb6+ Kf7 61. Rb3 Kf6 62. Re3 Rb4 63. Rd3 Ra4 64. Rd5 Rb4 65. Ra5 Rc4 66. f4 Rc3+ 67. Kh4 Rc4 68. Ra6+ Kf7 69. f5 Rc3 70. Rg6 Rf3 71. Ra6 Rb3 72. Ra7+ Kf6 73. Ra6+ Kf7 74. Ra4 Kf6 75. Re4 Ra3 76. Re6+ Kf7 77. Rg6 Rf3 78. g5 Rf4+ 79. Kg3 Rxf5 80. gxh6 gxh6 81. Rxh6 Kg7 82. Rg6+ Kh7 1/2-1/2

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "1"]
[White "Manish, Anto Cristiano F"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2470"]
[BlackElo "2496"]
[PlyCount "84"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. Be2 g6 6. 0-0 Bg7 7. exd6 cxd6 8. c4 0-0 9. h3 Nc6 10. Nc3 Bf5 11. Be3 d5 12. b3 dxc4 13. bxc4 Rc8 14. Rc1 Na5 15. Na4 Nbxc4 16. Nc5 Nxe3 17. fxe3 b6 18. e4 bxc5 19. exf5 cxd4 20. Rxc8 Qxc8 21. fxg6 hxg6 22. Qa4 Qc5 23. Kh1 Nc6 24. Bc4 e6 25. Rd1 Ne5 26. Nxe5 Bxe5 27. Qb5 Qxb5 28. Bxb5 Rb8 29. Rb1 f5 30. g4 Kg7 31. Kg2 Bf4 32. Bd3 Rxb1 33. Bxb1 Kf6 34. h4 e5 35. h5 e4 36. hxg6 Kxg6 37. Kf2 d3 38. gxf5+ Kxf5 39. Ke1 Ke5 40. a3 Kd4 41. Ba2 e3 42. Bb3 Bg3+ 0-1

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "7"]
[White "Narayanan, Sunilduth Lyna"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "A32"]
[WhiteElo "2673"]
[BlackElo "2496"]
[PlyCount "93"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[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 c5 5. cxd5 cxd4 6. Nxd4 Nxd5 7. Bd2 Be7 8. g3 Bf6 9. Nf3 Nxc3 10. bxc3 b6 11. Bg2 Bb7 12. Qc2 Nc6 13. Rd1 Qe7 14. h4 h6 15. Bf4 Rd8 16. Rxd8+ Qxd8 17. Kf1 Qc8 18. Nd2 Na5 19. Ne4 Bxe4 20. Qxe4 0-0 21. g4 Qxc3 22. Bf3 Qc4 23. g5 Qxe4 24. Bxe4 hxg5 25. hxg5 Be7 26. Bh7+ Kh8 27. Rh3 Rd8 28. Bd3+ Kg8 29. g6 Bf6 30. Be3 Nb7 31. Rg3 Nc5 32. gxf7+ Kxf7 33. Bg6+ Ke7 34. Rg4 Rd1+ 35. Kg2 Rd5 36. a4 a5 37. Rc4 Rd1 38. Bxc5+ bxc5 39. Rxc5 Rd5 40. Rxd5 exd5 41. f4 d4 42. Kf3 Kd6 43. Ke4 Kc5 44. Be8 Kd6 45. Bb5 Kc5 46. Kf5 Kd6 47. Ke4 1/2-1/2

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "5"]
[White "Sethuraman, SP."]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2643"]
[BlackElo "2496"]
[PlyCount "99"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[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 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 a5 7. Bg5 h6 8. Bh4 Ba7 9. Nbd2 Bd7 10. d4 g5 11. Bg3 Qe7 12. Re1 0-0 13. Bd5 Rad8 14. Nc4 g4 15. Nh4 exd4 16. Ng6 Qe8 17. Bh4 Kg7 18. Nxf8 Qxf8 19. Bxc6 Bxc6 20. cxd4 h5 21. Nxa5 Bd7 22. e5 Nh7 23. Bxd8 Qxd8 24. Nc4 Ng5 25. Qd2 b5 26. Ne3 h4 27. exd6 cxd6 28. Nd5 Be6 29. Nf4 Bd7 30. Nd5 Be6 31. Nf4 Bd7 32. Qb4 Bc6 33. Rac1 Ba8 34. d5 h3 35. Qc3+ Kh6 36. Qc7 Qxc7 37. Rxc7 Bd4 38. Rd1 Be5 39. Nd3 Bf6 40. Nf4 hxg2 41. Kxg2 Be5 42. Ne2 Nf3 43. Rxf7 Nh4+ 44. Kg1 Nf3+ 45. Rxf3 gxf3 46. Nd4 Bxd5 47. Nxb5 Bxa2 48. Nxd6 Bb3 49. Rd3 Bc2 50. Rxf3 1-0

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "9"]
[White "Sethuraman, SP."]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2645"]
[BlackElo "2496"]
[PlyCount "81"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[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 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 a5 7. Bg5 h6 8. Bh4 Ba7 9. Nbd2 Bd7 10. Re1 g5 11. Bg3 h5 12. h4 Nh7 13. d4 g4 14. Nh2 Qf6 15. Bb5 0-0-0 16. Nc4 exd4 17. Bxc6 Bxc6 18. Nxa5 Bb5 19. a4 Ba6 20. b4 Bb6 21. Nb3 Bc4 22. a5 Ba7 23. Nxd4 d5 24. e5 Qa6 25. e6 Nf6 26. Be5 Ne4 27. e7 Rde8 28. Bxh8 Rxh8 29. Nxg4 Re8 30. Ne5 Nxc3 31. Qxh5 Bxd4 32. Qg4+ Qe6 33. Qxd4 Ne2+ 34. Rxe2 Bxe2 35. Re1 Bb5 36. Qa7 Qa6 37. Qc5 f6 38. Rc1 Bc6 39. Nxc6 Qxc6 40. Qxc6 bxc6 41. Re1 1-0

[Event "Asian Continental Blitz op 19th"]
[Site "Delhi"]
[Date "2022.11.03"]
[Round "9"]
[White "Vokhidov, Shamsiddin"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2568"]
[BlackElo "2496"]
[PlyCount "122"]
[EventDate "2022.11.03"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 Nc6 6. a5 Nd7 7. Bf4 e6 8. a6 Be7 9. Bb5 0-0 10. 0-0 Nb4 11. axb7 Bxb7 12. Nbd2 dxe5 13. dxe5 Nb6 14. c3 Nd3 15. Bg3 a6 16. Bxd3 Qxd3 17. Nb3 Qxd1 18. Rfxd1 Bxf3 19. gxf3 Nc4 20. Rd7 Bd8 21. Rd4 Rb8 22. Nc5 Nb6 23. Rxa6 Be7 24. Nd7 Ra8 25. Rxa8 Rxa8 26. Nxb6 cxb6 27. Bf4 Ra2 28. b4 Rc2 29. Rc4 g5 30. Be3 b5 31. Rc7 Bxb4 32. Rc8+ Kg7 33. Bxg5 Rxc3 34. Bf6+ Kg6 35. Rb8 Rxf3 36. Rxb5 Bd2 37. Rb8 Bf4 38. Rg8+ Kf5 39. Rg7 Bxe5 40. Bxe5 Kxe5 41. Rxh7 Kf6 42. Kg2 Ra3 43. Rh4 Kg5 44. Rb4 f5 45. Rb8 e5 46. Rg8+ Kf4 47. Rh8 Ra2 48. Rh4+ Kg5 49. Rh3 e4 50. Rg3+ Kf6 51. Rg8 f4 52. Rf8+ Ke5 53. Re8+ Kd4 54. Rf8 Ke5 55. Re8+ Kd5 56. Rd8+ Ke5 57. Re8+ Kf5 58. Rf8+ Kg5 59. Rg8+ Kh5 60. Rh8+ Kg6 61. Rg8+ Kf5 1/2-1/2

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.11.02"]
[Round "8"]
[White "Koustav, Chatterjee"]
[Black "Praggnanandhaa, Rameshbabu"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2496"]
[BlackElo "2687"]
[PlyCount "106"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[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. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. Qc2 Be7 8. 0-0 c6 9. Bf4 Nbd7 10. Rd1 a4 11. Ne5 h6 12. a3 Qb6 13. Nc3 Qa6 14. cxd5 exd5 15. e4 dxe4 16. Nxe4 Nxe4 17. Nxd7 Bxd7 18. Bxe4 Be6 19. d5 cxd5 20. Bxd5 Rac8 21. Qe4 Bxd5 22. Rxd5 Bf6 23. Rd6 Rc6 24. Rxc6 bxc6 25. Rc1 Rd8 26. Qc4 Qb5 27. Qxb5 cxb5 28. Rc2 Rd3 29. Kf1 Rb3 30. Bc1 g5 31. h3 Kg7 32. Ke2 h5 33. f3 Be5 34. g4 Kg6 35. Rc5 f6 36. gxh5+ Kxh5 37. f4 Bd4 38. Rd5 Bxb2 39. Be3 Bxa3 40. fxg5 Kg6 41. h4 Bb2 42. Rd6 a3 43. Ra6 Rb4 44. h5+ Kxh5 45. gxf6 Kg6 46. Kd2 Rc4 47. Kd3 Rc3+ 48. Ke2 b4 49. Ra7 Rc8 50. f7 b3 51. Bc5 a2 52. f8Q Rxf8 53. Bxf8 Bf6 0-1

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.11.01"]
[Round "7"]
[White "Aravindh, Chithambaram VR"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2625"]
[BlackElo "2496"]
[PlyCount "146"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nd2 d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. 0-0 Be7 11. b3 0-0 12. Bb2 Qf5 13. Re1 Bc5 14. Qf3 Qxc2 15. Bxf6 Qxd2 16. Bc3 Qc2 17. Re2 Qg6 18. Qxd5 Bb6 19. Rae1 h6 20. Qe4 Qxe4 21. Rxe4 Rad8 22. Bb4 c5 23. Bc3 Rd3 24. Rc1 Rfd8 25. Kf1 Rd1+ 26. Rxd1 Rxd1+ 27. Re1 Rd3 28. Rc1 f5 29. Ke2 Rd7 30. Bd2 Kf7 31. Be3 Rd5 32. Rc4 Ke6 33. h3 h5 34. Rc3 g6 35. Rc1 Kf7 36. Rc4 Ke6 37. f3 Kd6 38. g4 hxg4 39. fxg4 Ke6 40. g5 Re5 41. Kf3 Kd5 42. Rh4 Re6 43. Bd2 Re4 44. Rh6 c4 45. bxc4+ Rxc4 46. Rxg6 Rc2 47. Rg7 Ke6 48. Bb4 Rxa2 49. Re7+ Kd5 50. h4 Rf2+ 51. Kg3 f4+ 52. Kh3 f3 53. Rf7 Rf1 54. Ba5 Bd4 55. Rd7+ Ke4 56. Re7+ Kf5 57. Be1 f2 58. Bxf2 Rxf2 59. Rf7+ Kg6 60. Rd7 Rf4 61. Kg3 Be5 62. Re7 Kf5 63. Kh3 a5 64. Ra7 Rf3+ 65. Kg2 Rg3+ 66. Kf1 Bc3 67. Rc7 Kg4 68. Kf2 Bd4+ 69. Ke2 Kxh4 70. Rd7 Bc3 71. Rc7 Kxg5 72. Kf2 Bd4+ 73. Ke2 Kf4 0-1

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.10.31"]
[Round "6"]
[White "Koustav, Chatterjee"]
[Black "Viani, Antonio Dcunha"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2496"]
[BlackElo "2342"]
[PlyCount "129"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 c5 4. dxc5 e6 5. Be3 a5 6. c4 Nbd7 7. Nc3 Bxc5 8. Bxc5 Nxc5 9. cxd5 exd5 10. e3 0-0 11. Rc1 Ne6 12. Be2 Qb6 13. Rc2 Rd8 14. Rd2 Nc5 15. 0-0 Be6 16. Nd4 Nfe4 17. Rc2 Rac8 18. Nxe6 fxe6 19. Nb5 Nd6 20. Nd4 e5 21. Nb3 Nxb3 22. Qxd5+ Kf8 23. Rxc8 Nxc8 24. Qf3+ Qf6 25. axb3 Rd2 26. Qxb7 Nd6 27. Qa8+ Kf7 28. Bh5+ g6 29. Bf3 Rxb2 30. Qa7+ Qe7 31. Bd5+ Kf6 32. Qxa5 e4 33. f3 Kg7 34. fxe4 Kh6 35. Qc3 Re2 36. Qd3 Rb2 37. Qc3 Re2 38. Qd3 Rb2 39. Qd4 Re2 40. Qf6 Qxf6 41. Rxf6 Ne8 42. Rf3 Nd6 43. Kf1 Rc2 44. Rf2 Rc1+ 45. Ke2 Rc2+ 46. Kf3 Rc3 47. Kf4 Nc8 48. Rf3 Rc2 49. Be6 Na7 50. g4 g5+ 51. Ke5 Nc6+ 52. Kd6 Nb4 53. Bc4 Rd2+ 54. Kc5 Nd3+ 55. Bxd3 Rxd3 56. b4 Rc3+ 57. Kd4 Rb3 58. Kc4 Rb1 59. e5 Rc1+ 60. Kb5 Rc8 61. Rf6+ Kg7 62. Rc6 Rd8 63. Kc5 Rd3 64. b5 Rxe3 65. Kd6 1-0

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.10.30"]
[Round "5"]
[White "Harsha, Bharathakoti"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2582"]
[BlackElo "2496"]
[PlyCount "97"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 Qe6 9. Nd2 Nb4 10. Nf3 Ba6 11. c4 d5 12. a3 Bxc4 13. Qd1 Bxf1 14. Kxf1 Na6 15. b4 Be7 16. Bg5 Bxg5 17. Nxg5 Qg6 18. e6 f6 19. Nf3 0-0 20. Rc1 Rae8 21. Rxc6 Nb8 22. Rxc7 Rxe6 23. h5 Qe8 24. Qxd5 Rf7 25. Rc1 Rd7 26. Qb3 Kf8 27. Rh4 Red6 28. Re1 Qf7 29. Qxf7+ Kxf7 30. Rf4 Re7 31. Rxe7+ Kxe7 32. Rg4 Kf7 33. Rc4 Nd7 34. Ke2 Ke6 35. Rc7 a6 36. Ke3 Kf5 37. Nd4+ Kg5 38. Rc6 Rxc6 39. Nxc6 Kxh5 40. a4 g5 41. Kd4 Kg6 42. a5 h5 43. Kc4 h4 44. b5 g4 45. bxa6 h3 46. gxh3 gxh3 47. a7 h2 48. a8Q h1Q 49. Ne7+ 1-0

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.10.29"]
[Round "4"]
[White "Koustav, Chatterjee"]
[Black "Jumabayev, Rinat"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2496"]
[BlackElo "2620"]
[PlyCount "63"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. g3 dxc4 5. Bg2 g6 6. a4 Bg7 7. Na3 c5 8. 0-0 Nc6 9. dxc5 Qa5 10. Nd4 0-0 11. Nxc6 bxc6 12. Bxc6 Rb8 13. Bf4 Qxc5 14. Bxb8 Qxc6 15. Bxa7 Bh3 16. f3 Ra8 17. Nb5 Rxa7 18. Nxa7 Qb6+ 19. Rf2 Qxa7 20. Qd8+ Bf8 21. a5 Nd7 22. g4 e6 23. e3 Qxe3 24. Qxd7 Bc5 25. Qd8+ Kg7 26. Qh4 c3 27. Qxh3 Qxf2+ 28. Kh1 cxb2 29. Rb1 Qc2 30. Qf1 Bd6 31. Qg1 Bxh2 32. Qd4+ 1-0

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.10.28"]
[Round "3"]
[White "Karthikeyan, Murali"]
[Black "Koustav, Chatterjee"]
[Result "1/2-1/2"]
[ECO "C52"]
[WhiteElo "2623"]
[BlackElo "2496"]
[PlyCount "103"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[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. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. 0-0 Bb6 9. Nbd2 Na5 10. Qc2 f6 11. a4 Ne7 12. Ba2 Ng6 13. Nc4 Nxc4 14. Bxc4 a6 15. Rb1 Qe7 16. Kh1 Be6 17. Bxe6 Qxe6 18. a5 Ba7 19. Rxb7 Qc4 20. Nd2 Qc6 21. Qb3 Bb6 22. dxe5 Nxe5 23. f4 Nd7 24. axb6 Qxb7 25. Qe6+ Kd8 26. Nc4 Qc6 27. e5 Re8 28. Qf7 Nxb6 29. Nxb6 Qxb6 30. Qxg7 fxe5 31. fxe5 dxe5 32. Qxh7 Kc8 33. Qe4 Rb8 34. Be3 Qe6 35. h4 Rh8 36. Bg5 Rb5 37. Kh2 Qd5 38. Qg4+ Qd7 39. Qa4 a5 40. Rd1 Rd5 41. Qe4 c6 42. Rb1 Rc5 43. c4 a4 44. Rb4 Ra5 45. c5 a3 46. Rb6 a2 47. Rxc6+ Kb8 48. Qxe5+ Kb7 49. Rb6+ Ka7 50. Rd6 Qxd6 51. Qxd6 a1Q 52. Qb6+ 1/2-1/2

[Event "Asian Continental op 19th"]
[Site "Delhi"]
[Date "2022.10.27"]
[Round "2"]
[White "Koustav, Chatterjee"]
[Black "Krishna Teja, N."]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2496"]
[BlackElo "2359"]
[PlyCount "43"]
[EventDate "2022.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IND"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Nbd2 0-0 6. c3 c5 7. Bd3 Qc7 8. Bxd6 Qxd6 9. Ne5 b6 10. f4 Ba6 11. Bc2 Nfd7 12. Qh5 f5 13. g4 Nf6 14. Qh4 cxd4 15. exd4 Ne4 16. Rg1 Qd8 17. Qh3 Bc8 18. gxf5 exf5 19. 0-0-0 a5 20. Rxg7+ Kxg7 21. Rg1+ Kh8 22. Qh6 1-0

[Event "Raipur Chhattisgarh"]
[Site "Raipur"]
[Date "2022.09.26"]
[Round "8"]
[White "Srihari, Lakshmi"]
[Black "Koustav, Chatterjee"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2214"]
[BlackElo "2513"]
[PlyCount "49"]
[EventDate "2022.09.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 a5 7. Re1 0-0 8. h3 h6 9. Nbd2 Be6 10. Bb5 Qb8 11. Nf1 Qa7 12. Re2 a4 13. Ng3 Qa5 14. Bxc6 bxc6 15. Nh4 Kh7 16. Re1 g6 17. Nhf5 Ng8 18. Qg4 f6 19. Qh4 gxf5 20. exf5 Bd7 21. Re4 d5 22. Rg4 Rf7 23. Qh5 Raf8 24. Bxh6 Nxh6 25. Rg6 1-0

[Event "Raipur Chhattisgarh"]
[Site "Raipur"]
[Date "2022.09.25"]
[Round "7"]
[White "Koustav, Chatterjee"]
[Black "Ajay, Karthikeyan"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2513"]
[BlackElo "2422"]
[PlyCount "80"]
[EventDate "2022.09.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 c5 4. e4 d6 5. d5 Nf6 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 0-0 9. Be2 e6 10. dxe6 fxe6 11. e5 Nd5 12. Qg4 Nxc3 13. Qxe6+ Kh8 14. bxc3 Bxe5 15. Bd2 Nc6 16. 0-0 Qa5 17. Rfc1 Rae8 18. Qg4 Bd4 19. Be1 Bg7 20. a4 Bh6 21. Rc2 Qc7 22. Qh4 Qg7 23. g3 Ne5 24. Kg2 b6 25. Rd1 Qb7+ 26. Rd5 Bg7 27. Bd2 Nd7 28. Bg5 b5 29. a5 bxc4 30. Bxc4 Ne5 31. a6 Qf7 32. Rxe5 Qf3+ 33. Kh2 Rxe5 34. Bf1 Qf5 35. Qa4 Re1 36. Bg2 Qxg5 37. Rb2 Bxc3 38. f4 Qd8 39. Rb7 Re7 40. Qb3 Bd4 0-1

[Event "Raipur Chhattisgarh"]
[Site "Raipur"]
[Date "2022.09.24"]
[Round "6"]
[White "Subhayan, Kundu"]
[Black "Koustav, Chatterjee"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2327"]
[BlackElo "2513"]
[PlyCount "72"]
[EventDate "2022.09.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "IND"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 a5 7. Re1 0-0 8. h3 h6 9. Nbd2 Be6 10. Bb3 Bxb3 11. axb3 Re8 12. Nf1 d5 13. Ng3 Qd7 14. Nxe5 Nxe5 15. d4 Nxe4 16. Nxe4 dxe4 17. dxe5 Qf5 18. Qe2 Qxe5 19. Ra4 f5 20. Bf4 Qxf4 21. Qc4+ Kh7 22. Qxc5 b6 23. Qe3 Qxe3 24. Rxe3 Rad8 25. Re2 Rd1+ 26. Kh2 Red8 27. b4 axb4 28. Rxb4 R8d2 29. Rxd2 Rxd2 30. Kg1 Rd1+ 31. Kh2 Rf1 32. Kg3 g5 33. Rc4 Kg6 34. Rc6+ Kh5 35. Rxc7 f4+ 36. Kh2 Rxf2 0-1

