[Event "Witney op-A 10th"]
[Site "Witney"]
[Date "2023.11.05"]
[Round "5"]
[White "Vaidyanathan, Adithya"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "1959"]
[BlackElo "1848"]
[PlyCount "160"]
[EventDate "2023.11.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Nc3 Bb4 5. Bd2 Bb7 6. e3 d6 7. Bd3 Nbd7 8. Qe2 c5 9. a3 Bxc3 10. Bxc3 Ne4 11. 0-0 0-0 12. Nd2 f5 13. Bxe4 fxe4 14. Qg4 Qe7 15. Nxe4 Nf6 16. Nxf6+ Rxf6 17. Qe2 Rg6 18. f3 Rf8 19. e4 Rf4 20. d5 Rh4 21. Be1 Rh5 22. dxe6 Qxe6 23. Bg3 Ba6 24. b3 Rgh6 25. Qd2 Rf6 26. Rad1 Rhh6 27. Rfe1 Qe8 28. Qd5+ Kh8 29. e5 dxe5 30. Rxe5 Re6 31. Rde1 Bc8 32. Qd6 Kg8 33. Qc7 Qd7 34. Qb8 Rxe5 35. Rxe5 Qd1+ 36. Re1 Qd7 37. Qe5 Re6 38. Qxe6+ Qxe6 39. Rxe6 Bxe6 40. Bb8 a6 41. Ba7 b5 42. cxb5 axb5 43. Bxc5 Bxb3 44. Kf2 Kf7 45. Ke3 Ke6 46. Kd4 Bc4 47. g3 Bf1 48. Ke4 g6 49. Kd4 Be2 50. f4 Kf5 51. Ke3 Bf1 52. Kf3 Bh3 53. Bd6 g5 54. fxg5 Kxg5 55. Be7+ Kf5 56. Bd8 Bg4+ 57. Ke3 Bd1 58. h3 h5 59. Be7 Bb3 60. Kd4 Bd1 61. Kd3 Bf3 62. Kc3 Bc6 63. Kb4 Bd7 64. Kc5 Ke4 65. Bd6 Kf3 66. Be5 Kg2 67. h4 Kf3 68. Kd6 Be8 69. Ke7 Bc6 70. Bf4 Kg4 71. Kd6 Bg2 72. Kc5 Bf1 73. Be5 Kf5 74. Bd6 Kg4 75. Kb4 Kf3 76. Kc3 Kg4 77. Kd4 Kf5 78. Ke3 Kg4 79. Kf2 Bd3 80. Ke3 Bf1 1/2-1/2

[Event "Witney op-A 10th"]
[Site "Witney"]
[Date "2023.11.04"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Hayward, Philip"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "1848"]
[BlackElo "2090"]
[PlyCount "51"]
[EventDate "2023.11.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. Nc3 Qe8 8. Re1 Qf7 9. Qb3 h6 10. e4 fxe4 11. Nxe4 Nc6 12. d5 Nxe4 13. Rxe4 Nd4 14. Rxd4 Bxd4 15. Bxh6 Bg7 16. Bxg7 Qxg7 17. Re1 Bg4 18. h3 Bxf3 19. Bxf3 Qf6 20. Qc2 Kh8 21. Bg4 Rg8 22. Re4 Rg7 23. Rf4 Qe5 24. Re4 Qf6 25. Rf4 Qe5 26. Re4 1/2-1/2

[Event "Witney op-A 10th"]
[Site "Witney"]
[Date "2023.11.04"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Pentakota, Rajasekhar"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "1848"]
[BlackElo "2032"]
[PlyCount "86"]
[EventDate "2023.11.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nd7 8. e4 N5b6 9. Nc3 e5 10. dxe5 Nxe5 11. Qc2 c6 12. Bf4 Nbc4 13. Rad1 Qe7 14. Nxe5 Nxe5 15. Be3 Be6 16. Ne2 b6 17. b3 Rad8 18. Nd4 Bd7 19. h3 c5 20. Ne2 Bb5 21. Rxd8 Rxd8 22. Rd1 Bd3 23. Qd2 Nc6 24. e5 Bb5 25. Bd5 Qxe5 26. Nf4 g5 27. Nh5 h6 28. h4 Nd4 29. Bxd4 cxd4 30. Bg2 gxh4 31. Nxg7 Qxg7 32. gxh4 Bc6 33. f4 Qg4 34. Rc1 Be4 35. Re1 f5 36. Kf1 Bxg2+ 37. Qxg2 Qxg2+ 38. Kxg2 d3 39. Kf2 Kf7 40. h5 Rd4 41. Ke3 Re4+ 42. Kd2 Rxf4 43. Kxd3 Kf6 0-1

[Event "Witney op-A 10th"]
[Site "Witney"]
[Date "2023.11.04"]
[Round "2"]
[White "Turner, Lewis A"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2060"]
[BlackElo "1848"]
[PlyCount "41"]
[EventDate "2023.11.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Qg4 g6 7. Nf3 Ne7 8. b4 Bb6 9. Bd3 a6 10. Bg5 Nd7 11. Qh4 Bc7 12. Qf4 b5 13. 0-0 Bb7 14. Re1 Bb6 15. Qh4 Ba7 16. Nbd2 h5 17. Nb3 Nb6 18. Nc5 Qc7 19. Bxe7 Qxe7 20. Qxe7+ Kxe7 21. Nxb7 1-0

[Event "Daventry 4NCL op-A 30th"]
[Site "Daventry"]
[Date "2023.06.18"]
[Round "4"]
[White "Ackley, Peter JE"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1920"]
[BlackElo "1645"]
[PlyCount "159"]
[EventDate "2023.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 g6 4. 0-0 Bg7 5. d3 0-0 6. Nbd2 c5 7. e4 Nc6 8. c3 b6 9. Qa4 Bb7 10. Re1 e5 11. Qc2 d4 12. c4 Qe7 13. a3 Qd6 14. Rb1 Rfc8 15. Nf1 a6 16. Bd2 Rcb8 17. b4 Ne7 18. bxc5 bxc5 19. Rb3 Bc8 20. Reb1 Nc6 21. Ne1 Be6 22. Rxb8+ Rxb8 23. Bf3 Nd7 24. Rxb8+ Qxb8 25. Bd1 Bf6 26. Qb3 Bd8 27. Qxb8 Ndxb8 28. f3 Bd7 29. Nc2 Na5 30. Na1 Nb7 31. Kf2 Kf8 32. Nb3 f6 33. Bc2 Ba4 34. Nxd4 Bxc2 35. Nxc2 Nc6 36. Nfe3 Nba5 37. Bxa5 Nxa5 38. Nd5 Kf7 39. Na1 Ke6 40. Ke2 Kd6 41. Kd2 Kc6 42. Kc3 Kd6 43. Nb3 Nxb3 44. Kxb3 Ke6 45. Kc2 g5 46. Kd2 Kd6 47. Ke3 Ke6 48. Kf2 Kf7 49. g4 Kg6 50. Ke2 Kf7 51. Kd2 Ke6 52. Kc3 Kd7 53. Kb3 Kc6 54. Ka4 Kb7 55. Ne3 Be7 56. Nf5 Bf8 57. h4 h6 58. h5 Ka7 59. Ne3 Be7 60. Nd5 Bd8 61. Kb3 Kb7 62. Kc2 Kc6 63. Kd2 Kd7 64. Ne3 Be7 65. Kc3 Kc6 66. Kb3 Kb7 67. Nf5 Bf8 68. a4 Ka7 69. a5 Kb7 70. Ka4 Ka7 71. Ne3 Be7 72. Nd5 Bd8 73. Nc3 Kb7 74. Nb1 Ka7 75. Nd2 Kb7 76. Nb3 Be7 77. Na1 Ka7 78. Nc2 Kb7 79. Ne3 Ka7 80. Nf5 1/2-1/2

[Event "Daventry 4NCL op-A 30th"]
[Site "Daventry"]
[Date "2023.06.18"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Alldritt, Nigel RE"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "1645"]
[BlackElo "1971"]
[PlyCount "120"]
[EventDate "2023.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c6 6. 0-0 d5 7. Nbd2 Ne4 8. e3 Nf6 9. b3 a5 10. Bb2 b5 11. cxb5 cxb5 12. a4 Ba6 13. Re1 Nc6 14. Ne5 Nb4 15. Ba3 Qb6 16. Bxb4 axb4 17. a5 Qd6 18. Qe2 Rfc8 19. Nd3 e6 20. Nc5 Nd7 21. Nxa6 Qxa6 22. Bf1 Rab8 23. Nf3 f5 24. Qb2 Nc5 25. Nd2 Nb7 26. Ra4 Nd6 27. Ra2 Nf7 28. Nf3 Nd6 29. Nd2 g5 30. h3 Rc7 31. Rc1 Rbc8 32. Rxc7 Rxc7 33. Bd3 Rc3 34. Bc2 f4 35. Nb1 fxe3 36. Nxc3 exf2+ 37. Kxf2 Bxd4+ 38. Kg2 Bxc3 39. Qb1 Qa7 40. Bxh7+ Qxh7 41. Qxh7+ Kxh7 42. a6 Nc8 43. a7 Nb6 44. a8Q Nxa8 45. Rxa8 Kg6 46. Kf3 Kf5 47. Rf8+ Bf6 48. Rb8 Bc3 49. Rxb5 Kg6 50. Rb8 Bd2 51. Ke2 Bc3 52. Rc8 Be5 53. Kf3 Bb2 54. Kg4 Bf6 55. Rb8 Bc3 56. Rg8+ Bg7 57. Rxg7+ Kxg7 58. Kxg5 d4 59. Kf4 e5+ 60. Ke4 Kg6 1/2-1/2

[Event "Daventry 4NCL op-A 30th"]
[Site "Daventry"]
[Date "2023.06.17"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Patel, Zain"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1645"]
[BlackElo "1979"]
[PlyCount "51"]
[EventDate "2023.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Nf6 6. Nf3 Bd6 7. 0-0 0-0 8. Nc3 h6 9. h3 Bf5 10. Qb3 Qc8 11. Ne5 Bxe5 12. dxe5 Nfd7 13. e6 Nc5 14. Qb5 b6 15. Nd5 c6 16. Ne7+ Kh8 17. Qb4 Qc7 18. Nxf5 fxe6 19. Ng3 a5 20. Qc3 b5 21. Be2 Nba6 22. b3 b4 23. Qb2 a4 24. Be3 Qe7 25. Rac1 axb3 26. axb3 1-0

[Event "Daventry 4NCL op-A 30th"]
[Site "Daventry"]
[Date "2023.06.16"]
[Round "1"]
[White "Larkin, Ben L"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1840"]
[BlackElo "1645"]
[PlyCount "53"]
[EventDate "2023.06.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. d4 Ngf6 7. Nxf6+ Nxf6 8. Qe2 Nd5 9. c3 Bd6 10. 0-0 0-0 11. Bg5 Qc7 12. g3 h6 13. Bd2 c5 14. Bd3 b6 15. Qe4 Nf6 16. Qh4 Nh7 17. dxc5 bxc5 18. Rad1 f5 19. Qc4 Nf6 20. Bxf5 Nd5 21. Be4 Kh8 22. Qe2 Qb6 23. c4 Ba6 24. b3 Rae8 25. Nh4 Kg8 26. Ng6 Rf7 27. Bxd5 1-0

[Event "Frome op 32nd"]
[Site "Frome"]
[Date "2023.05.14"]
[Round "5"]
[White "Clancy, Martin J"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1706"]
[BlackElo "1642"]
[PlyCount "63"]
[EventDate "2023.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Be2 0-0 8. 0-0 b6 9. Bf4 Bb7 10. Rc1 Nbd7 11. Nb5 dxc4 12. Rxc4 Nd5 13. Bg3 N7f6 14. Nc7 Rc8 15. Nxd5 Nxd5 16. Qd2 Qd7 17. Ne5 Qd8 18. Rxc8 Qxc8 19. Rc1 Qa8 20. Bf3 Rc8 21. a3 Nf6 22. Bh4 Bxf3 23. Bxf6 Bxf6 24. Nxf3 h6 25. h3 Rc6 26. Rxc6 Qxc6 27. Ne5 Qc7 28. Nf3 Be7 29. Kf1 Bd6 30. g3 Kf8 31. Ne5 Ke7 32. Nc4 0-1

[Event "Frome op 32nd"]
[Site "Frome"]
[Date "2023.05.14"]
[Round "4"]
[White "Hertog, Alexander"]
[Black "May, Adam John"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1642"]
[BlackElo "1908"]
[PlyCount "72"]
[EventDate "2023.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c5 6. e3 Nc6 7. Qa4 Bd7 8. Qxc4 b5 9. Qe2 Rc8 10. 0-0 cxd4 11. exd4 Be7 12. Nc3 b4 13. Ne4 0-0 14. b3 h6 15. Bb2 Qb6 16. Rfd1 Rfd8 17. Rac1 Be8 18. Nc5 Nxd4 19. Rxd4 Rxc5 20. Rxc5 Bxc5 21. Rxd8 Qxd8 22. Ne5 Qb6 23. Qd2 Qd6 24. Qxd6 Bxd6 25. Bd4 a5 26. Nc4 Bc7 27. Bb6 Bxb6 28. Nxb6 Kf8 29. Kf1 Bb5+ 30. Ke1 Ke7 31. Bf1 Bc6 32. Bd3 Ng4 33. h3 Ne5 34. Bc2 Nf3+ 35. Kf1 Bb5+ 36. Kg2 Ne1+ 0-1

[Event "Frome op 32nd"]
[Site "Frome"]
[Date "2023.05.13"]
[Round "2"]
[White "Hertog, Alexander"]
[Black "Ganguly, Anshuman"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "1642"]
[BlackElo "1666"]
[PlyCount "61"]
[EventDate "2023.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 0-0 8. e4 Qa5 9. Bd2 Bxa6 10. Bxa6 Qxa6 11. Qe2 d6 12. Qxa6 Rxa6 13. 0-0 Nbd7 14. h3 Rb8 15. b3 Ne8 16. Rfc1 Nc7 17. Rc2 Rxb3 18. axb3 Rxa1+ 19. Kh2 Ra3 20. Ra2 Rxa2 21. Nxa2 Nb5 22. Ba5 Nf6 23. Nd2 Bh6 24. f3 Nd4 25. Nc1 Nd7 26. Kg1 Be3+ 27. Kf1 Nf6 28. Bc3 Nh5 29. Bxd4 Bxd2 30. Bb2 Nf4 31. h4 1/2-1/2

[Event "Frome op 32nd"]
[Site "Frome"]
[Date "2023.05.13"]
[Round "3"]
[White "Hollands, George E"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1842"]
[BlackElo "1642"]
[PlyCount "63"]
[EventDate "2023.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 d5 5. Nf3 0-0 6. 0-0 b6 7. Qc2 Bb7 8. cxd5 Nxd5 9. a3 Nd7 10. Rd1 Rc8 11. e4 N5f6 12. Nc3 c5 13. d5 exd5 14. exd5 Bd6 15. Nd2 Bb8 16. Nc4 Ne5 17. Nxe5 Bxe5 18. Qf5 Bb8 19. Bg5 Re8 20. Re1 Qd7 21. Qxd7 Nxd7 22. Bh3 Ne5 23. Re3 f6 24. Bxc8 Rxc8 25. Bf4 Nc4 26. Re7 Bxf4 27. Rxb7 Be5 28. Na4 Nxb2 29. Nxb2 Bxb2 30. Re1 Rd8 31. Ree7 Rxd5 32. Re8# 1-0

[Event "Frome op 32nd"]
[Site "Frome"]
[Date "2023.05.12"]
[Round "1"]
[White "Ashworth, Michael"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "1988"]
[BlackElo "1642"]
[PlyCount "111"]
[EventDate "2023.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[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. Qc2 d5 5. cxd5 exd5 6. Bg5 c6 7. e3 Bg4 8. Bd3 Bh5 9. Nge2 Bg6 10. 0-0 Bxd3 11. Qxd3 0-0 12. Qf5 Be7 13. Bxf6 Bxf6 14. b4 Nd7 15. b5 Nb6 16. bxc6 bxc6 17. Rab1 Qd6 18. Rfc1 Rac8 19. e4 Qe6 20. Qf3 Bg5 21. Rd1 Rfd8 22. Qg3 Be7 23. Nf4 Qf6 24. Nh5 Qh6 25. Qf3 Rd7 26. Ng3 g6 27. Qg4 Qg5 28. Qxg5 Bxg5 29. a4 Bf6 30. Nge2 Bg7 31. exd5 cxd5 32. a5 Nc4 33. Rb5 Rcd8 34. a6 Nb6 35. Rc5 Bf8 36. Rc6 Rc8 37. Rxc8 Nxc8 38. Nf4 Ne7 39. Nd3 Nc6 40. Nc5 Bxc5 41. dxc5 d4 42. Ne4 Kg7 43. Nd6 Kf6 44. Kf1 Ke5 45. Ke2 Kd5 46. Nb7 Nb4 47. Na5 Nxa6 48. c6 Re7+ 49. Kf3 Nc7 50. Nb3 Nb5 51. Rc1 Rc7 52. Rc5+ Kd6 53. Rxb5 Rxc6 54. Nxd4 Rc3+ 55. Ke2 Ra3 56. Rb7 1-0

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.10"]
[Round "6"]
[White "Hertog, Alexander"]
[Black "Estevez Fernandez, Josue"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "1585"]
[BlackElo "1832"]
[PlyCount "67"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nbd2 b6 8. b3 Nbd7 9. Bb2 Bb7 10. Ne5 Nxe5 11. dxe5 Nd7 12. cxd5 cxd5 13. e4 Nc5 14. exd5 Bxd5 15. Qe2 Bxg2 16. Kxg2 Qd5+ 17. Kg1 Rfd8 18. Rfd1 Qd3 19. Qxd3 Rxd3 20. Nc4 Rad8 21. Rxd3 Nxd3 22. Rd1 Nxb2 23. Rxd8+ Bxd8 24. Nxb2 f6 25. exf6 gxf6 26. f3 Kg7 27. Kf2 Bc7 28. a4 h5 29. Nd3 h4 30. Nb4 hxg3+ 31. hxg3 Kf7 32. g4 Ke8 33. Ke3 Bd6 34. Nc6 1/2-1/2

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.10"]
[Round "7"]
[White "Isik, Muhammed Oguz"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1683"]
[BlackElo "1585"]
[PlyCount "66"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[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 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. 0-0 c5 9. d5 exd5 10. Nh4 Ne4 11. Nf5 Bf6 12. cxd5 Nxc3 13. Bxc3 Bxc3 14. bxc3 Qf6 15. Qc2 d6 16. a4 Re8 17. e4 Ba6 18. Rfe1 Nd7 19. c4 Ne5 20. Ne3 g6 21. f4 Nd7 22. Rad1 Qg7 23. Rd3 Re7 24. h3 Rae8 25. Rd2 f5 26. g4 fxe4 27. g5 Rf8 28. Rf1 h6 29. Ng4 hxg5 30. fxg5 Rxf1+ 31. Kxf1 e3 32. Rd3 e2+ 33. Ke1 Qa1+ 0-1

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.09"]
[Round "4"]
[White "Hertog, Alexander"]
[Black "Gardiner, Eric D"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1585"]
[BlackElo "1860"]
[PlyCount "49"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 Nf6 5. Nc3 b5 6. Bg5 a6 7. a4 b4 8. Nb1 Bc5 9. f3 Qd6 10. Qe2 Nbd7 11. Qxc4 a5 12. Qc2 Qb6 13. Nh3 Be3 14. Bh4 Ba6 15. Nd2 Bxf1 16. Rxf1 0-0 17. Bf2 Bxf2+ 18. Rxf2 Rac8 19. Rc1 Ne8 20. Qc6 Nef6 21. Nc4 Qxc6 22. dxc6 Nc5 23. Nxe5 Nxa4 24. Ra1 Nb6 25. Rxa5 1/2-1/2

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.09"]
[Round "5"]
[White "Ireland, David J"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1932"]
[BlackElo "1585"]
[PlyCount "42"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 c6 7. Ne2 Nd7 8. Ng3 g6 9. e4 dxe4 10. Qxe4+ Qe7 11. Nc3 Qxe4+ 12. Ngxe4 f5 13. Nd2 Bg7 14. Nb3 Nb6 15. 0-0-0 0-0-0 16. Rhe1 Rhe8 17. Ne2 Re7 18. Ng1 Rxe1 19. Rxe1 Bxd4 20. Nxd4 Rxd4 21. Nf3 Rd7 1/2-1/2

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.08"]
[Round "2"]
[White "Hertog, Alexander"]
[Black "Walker, Martin Graham"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "1585"]
[BlackElo "2083"]
[PlyCount "94"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[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. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. b3 dxc4 7. bxc4 c5 8. 0-0 Nc6 9. Bb2 Qb6 10. Qb3 Nh5 11. e3 Rd8 12. Ne5 Na5 13. Qxb6 axb6 14. Na3 Bxe5 15. dxe5 Be6 16. Rfc1 Rd3 17. Bf1 Rd7 18. Rd1 Rxd1 19. Rxd1 Nc6 20. Rd2 Ng7 21. Bg2 Ne8 22. f4 f6 23. exf6 exf6 24. Bd5 Kf7 25. e4 Ke7 26. Re2 Kf7 27. f5 gxf5 28. exf5 Bxd5 29. cxd5 Ne7 30. d6 Nxd6 31. Re6 Nexf5 32. Rxf6+ Ke7 33. g4 Rg8 34. h3 h5 35. Nb5 hxg4 36. Nxd6 gxh3+ 37. Kh2 Rg2+ 38. Kxh3 Rxb2 39. Nc4 Kxf6 40. Nxb2 Ke5 41. Nc4+ Kd4 42. Nxb6 c4 43. Nxc4 Kxc4 44. Kg4 Nd4 45. Kf4 b5 46. Ke4 b4 47. Ke3 Kc3 0-1

[Event "Daventry 4NCL Easter op-A 3rd"]
[Site "Daventry"]
[Date "2023.04.08"]
[Round "3"]
[White "Turner, Lewis A"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1825"]
[BlackElo "1585"]
[PlyCount "55"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Nf3 Bxc5 6. Bd3 Nc6 7. a3 Nge7 8. b4 Bb6 9. Bb2 a6 10. 0-0 Ng6 11. Re1 Ba7 12. g3 b5 13. Nbd2 Bb7 14. Nb3 Qe7 15. Qe2 0-0 16. h4 Qd7 17. Nbd2 Nge7 18. Ng5 g6 19. Ndf3 Nc8 20. Rad1 Nb6 21. Nh2 Qc7 22. Ng4 Nc4 23. Bxc4 dxc4 24. Nf6+ Kg7 25. Rd7 Qb6 26. Nxe6+ Kh8 27. Nc5 Bc8 28. e6 1-0

[Event "BCF-chT4 2223 (4NCL)"]
[Site "England"]
[Date "2023.03.26"]
[Round "8.52"]
[White "Hertog, Alexander"]
[Black "Ashworth, Michael"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1778"]
[BlackElo "2107"]
[PlyCount "84"]
[EventDate "2022.11.05"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Oxford III"]
[BlackTeam "Wotton Hall"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Bxd2+ 6. Nbxd2 d6 7. g3 0-0 8. Bg2 e5 9. dxe5 dxe5 10. e4 Nc6 11. 0-0 Rd8 12. Rfe1 Nb4 13. Qb1 Nd3 14. Re3 Nxf2 15. Kxf2 Ng4+ 16. Ke2 Nxe3 17. Kxe3 Qc5+ 18. Ke2 Bg4 19. Qc2 Rd7 20. h3 Be6 21. Rc1 f6 22. b3 Rad8 23. Nf1 a5 24. Ne3 c6 25. Rd1 Rxd1 26. Nxd1 a4 27. Ne3 b5 28. Nd2 axb3 29. axb3 b4 30. g4 g6 31. Ndf1 Qd4 32. Qd2 Qb6 33. Qc2 Qa7 34. Nd2 Qa1 35. Qd1 Qd4 36. Qc2 Ra8 37. Qd3 Qc5 38. Bf3 Kf7 39. h4 Ke7 40. Qb1 Qd4 41. Qd3 Qc5 42. Qb1 Qd4 1/2-1/2

[Event "BCF-chT4 2223 (4NCL)"]
[Site "England"]
[Date "2023.03.25"]
[Round "7.84"]
[White "Ferris, Oliver"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1496"]
[BlackElo "1778"]
[PlyCount "103"]
[EventDate "2022.11.05"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Anglian Avengers II"]
[BlackTeam "Oxford III"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be3 e6 7. Be2 Nge7 8. h3 Bxf3 9. Bxf3 Nf5 10. Bg4 Nxe3 11. fxe3 Qh4+ 12. Kf1 h5 13. Be2 Be7 14. Qe1 Qe4 15. Bf3 Qc2 16. Qd2 Qf5 17. Na3 cxd4 18. exd4 Bxa3 19. bxa3 Na5 20. Qb2 0-0 21. Kf2 h4 22. Rhf1 Rfc8 23. Kg1 Qd3 24. Bh5 Qe3+ 25. Qf2 Qxf2+ 26. Rxf2 g6 27. Bg4 Rxc3 28. Raf1 Rc7 29. Rf6 Nc4 30. Bxe6 fxe6 31. Rxg6+ Rg7 32. Rxe6 Ne3 33. Rf2 Rc8 34. Ref6 Kh7 35. Rf7 Rc2 36. e6 Rxf2 37. Kxf2 Nd1+ 38. Ke1 Ne3 39. e7 Nxg2+ 40. Kd2 Rxf7 41. e8Q Rf2+ 42. Kc3 Rf3+ 43. Kb4 Rg3 44. Qf7+ Rg7 45. Qxd5 b6 46. Qf5+ Kh8 47. d5 Kg8 48. d6 Rf7 49. Qg6+ Rg7 50. Qxg7+ Kxg7 51. d7 a5+ 52. Kb5 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.19"]
[Round "9"]
[White "Hertog, Alexander"]
[Black "Osborne, Paul"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1641"]
[PlyCount "37"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. dxc5 Bxc5 4. g3 Qa5+ 5. Nd2 Nf6 6. Bg2 Qb6 7. e3 Nc6 8. Ne2 Ne5 9. 0-0 Nfg4 10. Ne4 Nxc4 11. Qc2 Ngxe3 12. fxe3 Bxe3+ 13. Kh1 Bxc1 14. Qxc1 Ne3 15. Rf3 Nd5 16. N2c3 Nxc3 17. Qxc3 Rg8 18. Qe5 Qd8 19. Nd6+ 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.18"]
[Round "7"]
[White "Hertog, Alexander"]
[Black "Lazarevic, Ljubica"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1641"]
[BlackElo "1495"]
[PlyCount "90"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. g3 Bd6 5. Bg2 Nf6 6. 0-0 0-0 7. b3 Nbd7 8. Bb2 Re8 9. Nbd2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Rxe5 13. cxd5 Nxd5 14. Nc4 Re8 15. Qd2 Be6 16. e4 Nf6 17. Qxd8 Raxd8 18. e5 Bxc4 19. bxc4 Rxe5 20. Rab1 Rd7 21. Bh3 Rde7 22. Rfd1 b6 23. Rd6 c5 24. Rd8+ Re8 25. Rxe8+ Rxe8 26. a4 Ne4 27. Bd7 Rd8 28. Bb5 Nc3 29. Rb3 Ne4 30. a5 Nd6 31. axb6 axb6 32. Ba6 Rb8 33. Rd3 Nf5 34. Rd5 Nd4 35. Rd6 Kf8 36. Bb5 Nxb5 37. cxb5 Ke7 38. Rc6 Kd7 39. Kf1 Rc8 40. Rxb6 c4 41. Ke1 Rc5 42. Rb7+ Rc7 43. Rb6 Rc5 44. Rb7+ Rc7 45. Rb6 Rc5 1/2-1/2

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.18"]
[Round "8"]
[White "Keerthi Kumar, Advait"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1483"]
[BlackElo "1641"]
[PlyCount "65"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. h3 e6 6. Nf3 Nge7 7. Bd3 Ng6 8. 0-0 Be7 9. Be3 cxd4 10. cxd4 0-0 11. Nc3 a6 12. Bxg6 hxg6 13. Rc1 Bd7 14. g3 Rc8 15. h4 Na5 16. Bg5 b5 17. Kg2 b4 18. Ne2 Rxc1 19. Nxc1 f6 20. exf6 gxf6 21. Bf4 Kf7 22. Qc2 Qc8 23. Qb1 Rh8 24. Nd3 Be8 25. Rc1 Nc6 26. Qc2 g5 27. Bxg5 Qb8 28. Bf4 Bd6 29. Bxd6 Qxd6 30. Nf4 Ke7 31. Re1 Bf7 32. Qf5 Qd7 33. Nxd5+ 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.17"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Pride, Stephen C"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1641"]
[BlackElo "1533"]
[PlyCount "86"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Ne7 6. Nc3 g6 7. 0-0 Bg7 8. Re1 Nd7 9. e4 0-0 10. h3 e5 11. d5 h6 12. Nh2 f5 13. f3 Nf6 14. Bf1 Bc8 15. Kg2 Bd7 16. Bd3 Qc8 17. exf5 Nxf5 18. g4 Nd4 19. Bxg6 Qa6 20. Bd3 Qb7 21. Be3 Rae8 22. Bxd4 exd4 23. Ne4 Nxe4 24. Rxe4 Re5 25. Qc2 Ree8 26. Rae1 Qc8 27. b3 Qd8 28. Nf1 Kh8 29. Ng3 Be5 30. Nh5 c5 31. Qd2 Bg7 32. Rxe8 Rxe8 33. Rxe8+ Qxe8 34. Nxg7 Kxg7 35. Qe2 Qf7 36. Qe4 Kf8 37. Qg6 Qf4 38. Qe4 Qd2+ 39. Qe2 Qf4 40. Qc2 Kg7 41. Be2 h5 42. Qd3 h4 43. Bf1 Kf8 0-1

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.17"]
[Round "6"]
[White "Sellen, John"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1547"]
[BlackElo "1641"]
[PlyCount "60"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. d4 Bg4 5. c3 e6 6. Bd3 Nf6 7. Nbd2 Be7 8. 0-0 0-0 9. Qe1 Nd7 10. Ne5 Ndxe5 11. fxe5 Bh4 12. g3 Bg5 13. Nf3 Bh6 14. e4 Bxc1 15. Rxc1 cxd4 16. exd5 Bxf3 17. Rxf3 Qxd5 18. Be4 Qxe5 19. Bxc6 Qxe1+ 20. Rxe1 bxc6 21. cxd4 Rfd8 22. Ref1 f6 23. Rc3 Rac8 24. Re1 Rxd4 25. Rxe6 Rd1+ 26. Kg2 Rd2+ 27. Kh3 Rxb2 28. Rexc6 Rxc6 29. Rxc6 Rxa2 30. Rc8+ Kf7 0-1

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.16"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Miller, Daniel"]
[Result "0-1"]
[ECO "D73"]
[WhiteElo "1641"]
[PlyCount "60"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. c5 b6 7. b4 a5 8. bxa5 bxc5 9. e3 Ba6 10. Bd2 Ne4 11. Qc2 0-0 12. Ne5 Nxd2 13. Nxd2 Qxa5 14. Rc1 Bxe5 15. dxe5 Nd7 16. f4 e6 17. Kf2 c4 18. h4 Nc5 19. Ra1 Qa3 20. Bf1 f6 21. exf6 Rxf6 22. g4 d4 23. exd4 Rxf4+ 24. Ke1 Qe3+ 25. Kd1 Qxd4 26. Rc1 Rf3 27. Bxc4 Rd8 28. Bxa6 Ne4 29. Be2 Nc3+ 30. Ke1 Qf2# 0-1

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.16"]
[Round "4"]
[White "Walker, Heather Enid"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1280"]
[BlackElo "1641"]
[PlyCount "110"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e4 dxe4 3. Ng5 Nf6 4. Nc3 Bf5 5. Bc4 e6 6. f3 exf3 7. Qxf3 c6 8. Nxf7 Kxf7 9. Qxf5 Qd7 10. Ne2 b5 11. Bb3 c5 12. Qf3 Nc6 13. a4 b4 14. 0-0 Re8 15. d3 Bd6 16. Bh6 Be5 17. Qh5+ Ke7 18. Bg5 Qd6 19. Rad1 Nd4 20. Nxd4 Bxd4+ 21. Kh1 Bxb2 22. Qh4 h6 23. Bf4 e5 24. Rfe1 Kd7 25. Qh3+ Kc7 26. Bd2 Bd4 27. Qg3 Re7 28. Rc1 Nd5 29. Qf3 Nc3 30. Bxc3 Bxc3 31. Re2 Qc6 32. Qg3 Kb6 33. Re4 Rf8 34. Qh4 Qf6 35. h3 Qxh4 36. Rxh4 Rd8 37. Rf1 Rd4 38. Rh5 e4 39. dxe4 Rdxe4 40. Rhf5 Re1 41. Kh2 Rxf1 42. Rxf1 Re4 43. Rf7 a6 44. Rf8 c4 45. Ba2 Ka5 46. Rc8 Kxa4 47. Bxc4 Rxc4 48. Rxc4 Ka3 49. Rc6 Kb2 50. Rxa6 Kxc2 51. Ra2+ Kb1 52. Rf2 b3 53. Rf1+ Ka2 54. Rf2+ b2 55. Kg3 Be1 0-1

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.15"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Hebden, Mark"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1641"]
[BlackElo "2454"]
[PlyCount "68"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 b5 5. cxb5 d6 6. Bg2 Bg7 7. Nc3 0-0 8. e4 a6 9. bxa6 Bxa6 10. Nge2 Nbd7 11. 0-0 Ng4 12. Qc2 Qa5 13. Rd1 Rfb8 14. h3 Nge5 15. Rb1 Nc4 16. a3 Qc7 17. Nf4 Na5 18. Nd3 Bc4 19. Re1 Nb3 20. Bf4 Qa5 21. e5 Qa6 22. Rbd1 Nd4 23. Qb1 Bxd3 24. Rxd3 Nxe5 25. Bxe5 Bxe5 26. Rd2 Rb3 27. f4 Bf6 28. Qe4 Rab8 29. Nd1 Rxg3 30. Re3 Nf5 31. Rxg3 Nxg3 32. Qf3 Nf5 33. Bf1 Qa4 34. Qf2 Bd4 0-1

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.15"]
[Round "2"]
[White "Kaushik, Madhav"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1443"]
[BlackElo "1641"]
[PlyCount "35"]
[EventDate "2023.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be2 Qb6 6. dxc5 Qxc5 7. b4 Qb6 8. Qxd5 Be6 9. Qe4 g6 10. Nf3 Bf5 11. Qh4 Bg7 12. Qg3 e6 13. Na3 Qc7 14. Nb5 Qd7 15. Bf4 h6 16. Rd1 Qe7 17. h4 f6 18. exf6 1-0

[Event "4NCL Autumn Online op 3rd"]
[Site "Lichess.org INT"]
[Date "2022.11.29"]
[Round "7"]
[White "Hertog, Alexander"]
[Black "Pyda, Arjun"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1633"]
[BlackElo "1784"]
[PlyCount "129"]
[EventDate "2022.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. b3 Bg7 7. Bb2 Bxa6 8. g3 d6 9. Bg2 Nbd7 10. Nf3 0-0 11. 0-0 Qb6 12. Re1 Rab8 13. e4 c4 14. Nd4 Nc5 15. Nd2 Nd3 16. Bc3 Nxe1 17. Qxe1 Nxd5 18. exd5 Bxd4 19. Nxc4 Bxc4 20. bxc4 Bxc3 21. Qxc3 Qb2 22. Qxb2 Rxb2 23. a4 Ra8 24. a5 Rb7 25. c5 Rba7 26. c6 Rxa5 27. Rxa5 Rxa5 28. Bh3 Rc5 29. f4 Kf8 30. Bd7 e6 31. dxe6 fxe6 32. Bxe6 Rxc6 33. f5 Ke7 34. g4 Rc5 35. Kf2 Kf6 36. Kg3 Re5 37. Kf4 g5+ 38. Kf3 Rxe6 39. fxe6 Kxe6 40. Ke4 d5+ 41. Kd4 Kd6 42. h3 h6 43. Kd3 Ke5 44. Ke3 d4+ 45. Kd3 Kd5 46. Kd2 Ke4 47. Ke2 d3+ 48. Kd2 Kd4 49. Kd1 Ke3 50. Ke1 d2+ 51. Kd1 Kf3 52. Kxd2 Kg3 53. Ke1 Kxh3 54. Kf1 Kxg4 55. Kg1 Kg3 56. Kh1 Kf3 57. Kg1 g4 58. Kh2 h5 59. Kg1 h4 60. Kh2 g3+ 61. Kh3 Kf2 62. Kxh4 g2 63. Kh3 g1Q 64. Kh4 Qg6 65. Kh3 0-1

[Event "4NCL Autumn Online op 3rd"]
[Site "Lichess.org INT"]
[Date "2022.11.01"]
[Round "5"]
[White "Sreeram, Yashasvini"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1431"]
[BlackElo "1633"]
[PlyCount "160"]
[EventDate "2022.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 g6 4. 0-0 Bg7 5. d4 cxd4 6. Nxd4 e5 7. Nf3 Nc6 8. a3 Nge7 9. Nbd2 e4 10. Ne1 0-0 11. Nb3 Bf5 12. c3 Qc8 13. Nc2 Bh3 14. Ne3 Bxg2 15. Nxg2 b6 16. Ne3 Qe6 17. Nc2 Rad8 18. Ncd4 Nxd4 19. Nxd4 Qh3 20. Bg5 Rd7 21. Bxe7 Rxe7 22. Nc6 Rd7 23. Qa4 h5 24. Nb4 Rfd8 25. Rad1 h4 26. Nc6 Rc8 27. Rxd5 Qe6 28. Rxd7 Qxd7 29. Qxe4 Qxc6 30. Qxc6 Rxc6 31. Rd1 hxg3 32. fxg3 Rc7 33. Kf2 Bf8 34. Kf3 Bc5 35. e4 Rc6 36. Rd2 Rd6 37. Rxd6 Bxd6 38. Ke3 Kf8 39. Kd4 Bc5+ 40. Kc4 Ke7 41. Kb5 a5 42. Kc4 Ke6 43. Kd3 Ke5 44. b4 axb4 45. axb4 Bg1 46. h3 g5 47. c4 Bf2 48. h4 gxh4 49. gxh4 Bxh4 50. Ke3 Bg5+ 51. Kd3 Be7 52. b5 Bc5 53. Kc3 Kxe4 54. Kb3 Kd3 55. Ka4 f5 56. Kb3 f4 57. Ka4 f3 58. Kb3 f2 59. Ka4 f1R 60. Kb3 Rb1+ 61. Ka2 Rb4 62. Ka3 Kxc4 63. Ka2 Kxb5 64. Ka3 Kc4 65. Ka2 Kc3 66. Ka3 Rb3+ 67. Ka4 Ra3+ 68. Kb5 Ra5+ 69. Kc6 b5 70. Kxc5 b4+ 71. Kb6 Ra3 72. Kb5 b3 73. Kc5 b2 74. Kd5 b1R 75. Kc5 Ra2 76. Kd5 Rc2 77. Kc5 Kb2+ 78. Kb4 Kc1+ 79. Ka3 Rc8 80. Ka2 Ra8# 0-1

[Event "4NCL Autumn Online op 3rd"]
[Site "Lichess.org INT"]
[Date "2022.10.18"]
[Round "4"]
[White "Hertog, Alexander"]
[Black "Banerjee, Supratit"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1633"]
[BlackElo "623"]
[PlyCount "136"]
[EventDate "2022.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. Nf3 Bb7 6. Qc2 Nbd7 7. 0-0 c5 8. cxd5 Bxd5 9. Nc3 Bb7 10. Re1 Rc8 11. e4 cxd4 12. Nxd4 Bc5 13. Ndb5 a6 14. e5 Bxg2 15. Kxg2 axb5 16. exf6 Nxf6 17. Be3 Bxe3 18. Rxe3 0-0 19. Qb3 Qc7 20. Qxb5 Qb7+ 21. Kg1 Rc5 22. Qb4 Rfc8 23. Rd1 h6 24. Red3 Kh7 25. Na4 R5c6 26. Nc3 Rc4 27. Qb3 R4c5 28. Nb5 R8c6 29. a4 Rc1 30. Nc3 Rxd1+ 31. Qxd1 Qc7 32. Qf3 Rc4 33. b3 Rb4 34. Na2 Re4 35. Rc3 Qe5 36. Qd3 g6 37. Rc1 Re1+ 38. Rxe1 Qxe1+ 39. Kg2 Ne4 40. Qf3 Kg7 41. Qe3 Qxe3 42. fxe3 Nc5 43. Nc1 Kf6 44. Kf3 Ke5 45. h3 f5 46. Kf2 Ke4 47. Ke2 g5 48. h4 g4 49. Kf2 e5 50. Ne2 Nd3+ 51. Kg2 Kxe3 52. Nc3 Kd4 53. Nb5+ Kc5 54. Nc7 e4 55. Kf1 Nc1 56. Na6+ Kd4 57. b4 e3 58. a5 bxa5 59. bxa5 e2+ 60. Ke1 Ke3 61. Nb4 Nb3 62. a6 Nd4 63. Nd5+ Kf3 64. Nb4 Nb5 65. h5 f4 66. gxf4 g3 67. Nd3 g2 68. Ne5+ Kg3 0-1

[Event "4NCL Autumn Online op 3rd"]
[Site "Lichess.org INT"]
[Date "2022.10.04"]
[Round "3"]
[White "Padovan, Rodolfo OF Leal"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1812"]
[BlackElo "1633"]
[PlyCount "59"]
[EventDate "2022.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Nf3 Ne7 7. Bd3 Ng6 8. b4 Bb6 9. 0-0 Nc6 10. Bb2 0-0 11. Re1 Bd7 12. Nbd2 Qc7 13. c4 dxc4 14. Nxc4 Rfd8 15. Bxg6 hxg6 16. Nd6 a5 17. b5 Na7 18. Rc1 Qb8 19. Ng5 Bxb5 20. Ngxf7 Rf8 21. Qb3 Rxf7 22. Nxf7 Kxf7 23. a4 Qe8 24. Ba3 Bd8 25. axb5 Qxb5 26. Qf3+ Kg8 27. Qf8+ Kh7 28. Rc3 g5 29. Qf7 g4 30. Bf8 1-0

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.12"]
[Round "7"]
[White "Hertog, Alexander"]
[Black "Karangad, Mohit Kamal"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "1533"]
[PlyCount "87"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Be2 Bd6 7. 0-0 0-0 8. d4 Nbd7 9. Nbd2 h6 10. Ne5 Qc7 11. f4 Ne4 12. Nxe4 Bxe4 13. Bd3 Nf6 14. Bxe4 Nxe4 15. Rc1 Bxe5 16. dxe5 Qb6 17. Bd4 c5 18. Bb2 dxc4 19. Rxc4 Rfd8 20. Qc2 Nd2 21. Rxc5 Nxf1 22. Kxf1 Rd2 23. Qxd2 Qxc5 24. Bd4 Qb5+ 25. Kg1 Rc8 26. h3 a5 27. Kh2 Qd5 28. Qd3 Qc6 29. f5 Qc2 30. Qb5 Qxa2 31. fxe6 fxe6 32. Qxb7 Qc2 33. Qb6 Qc6 34. Qxa5 Rb8 35. b4 Qb5 36. Qxb5 Rxb5 37. Bc5 Kf7 38. Kg3 g5 39. h4 gxh4+ 40. Kxh4 Kg6 41. e4 Rb8 42. Bd6 Rb5 43. Bc5 h5 44. Bd6 1/2-1/2

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.11"]
[Round "6"]
[White "Chan, Michelle Ngo Yu"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "1638"]
[BlackElo "1533"]
[PlyCount "75"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Bg4 8. c3 e6 9. h3 Bh5 10. 0-0 Be7 11. Bf4 Bd6 12. Bxd6 Qxd6 13. Re1 Nd5 14. g3 0-0 15. Kg2 c5 16. dxc5 Qc6 17. c4 Nf6 18. b4 Rfd8 19. Re3 e5 20. g4 e4 21. gxh5 exd3 22. Rxd3 Rxd3 23. Qxd3 Nxh5 24. Qd4 Re8 25. Qd6 Qa4 26. Qd2 g6 27. Rc1 Qc6 28. Qd6 Qa4 29. b5 Re6 30. Qb8+ Kg7 31. Qxb7 Rf6 32. b6 axb6 33. cxb6 Qa3 34. Re1 Nf4+ 35. Kh2 Qb2 36. Rf1 Qe2 37. Kg1 Nxh3+ 38. Kg2 1/2-1/2

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.11"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Varghese, David J"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1533"]
[PlyCount "130"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. Be2 0-0 6. 0-0 b6 7. c4 Bb7 8. d4 e6 9. Nbd2 Nbd7 10. Ne5 Ne4 11. f3 Nxd2 12. Qxd2 Nxe5 13. dxe5 c5 14. f4 Qc7 15. cxd5 exd5 16. Bf3 Rfd8 17. Qf2 Bc8 18. Qg3 Bf5 19. Rad1 Be4 20. Bxe4 dxe4 21. f5 Rxd1 22. Rxd1 Rd8 23. Rd6 Qc8 24. f6 Bf8 25. Rxd8 Qxd8 26. Qe1 Qd3 27. Kf2 c4 28. Qc3 b5 29. e6 Qxc3 30. Bxc3 fxe6 31. bxc4 bxc4 32. Be5 Kf7 33. Ke2 Bh6 34. Kd2 Bg5 35. Kc3 Bxf6 36. Bxf6 Kxf6 37. Kxc4 Ke5 38. Kc5 g5 39. a4 a5 40. Kb5 Kd5 41. Kxa5 Kc4 42. Kb6 Kd3 43. a5 Kxe3 44. a6 Kf2 45. a7 e3 46. a8Q e2 47. Qf3+ Ke1 48. g4 Kd2 49. Qf2 Kd1 50. Qd4+ Kc2 51. Qe3 Kd1 52. Qd3+ Ke1 53. Qxh7 e5 54. Qe4 Kf2 55. Qf5+ Ke3 56. Qxg5+ Ke4 57. Qd2 Kf3 58. g5 Kf2 59. g6 e4 60. Qf4+ Kg1 61. Qxe4 Kf1 62. Qf3+ Kg1 63. Qxe2 Kh1 64. g7 Kg1 65. g8Q+ Kh1 1-0

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.10"]
[Round "4"]
[White "Merchant, Sebastian"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1533"]
[PlyCount "100"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Nc6 10. 0-0-0 Bd6 11. Nge2 Qd7 12. e4 Bxf4+ 13. Nxf4 dxe4 14. Nxe4 Nxe4 15. fxe4 0-0-0 16. d5 exd5 17. exd5 Qxg4 18. Qc4 Ne5 19. Qd4 Nf3 20. Qb4 a5 21. Qc4 g5 22. d6 Qxf4+ 23. Qxf4 gxf4 24. Rhf1 Nxh4 25. Rxf4 Ng6 26. Rxf7 Rxd6 27. Rg1 Ne5 28. Re7 Nc6 29. Rf7 Rd7 30. Rf6 h5 31. Rf5 h4 32. Rh1 h3 33. Rf3 h2 34. Rf2 Rdh7 35. Kd2 Rh4 36. Ke2 Ne5 37. Kf1 Ng4 38. Rg2 Rd8 39. Ke2 Rd4 40. Kf3 Kd7 41. Kg3 Rh7 42. Kf3 Rf7+ 43. Kg3 Ke7 44. Kh3 Rh7+ 45. Kg3 Kf8 46. Kf3 Rf7+ 47. Kg3 Kg7 48. Kh3 Rff4 49. Rhxh2 Kf6 50. Rh1 Nf2+ 0-1

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.09"]
[Round "2"]
[White "Dasgupta, Avyukt"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1674"]
[BlackElo "1533"]
[PlyCount "83"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. c4 d6 4. d4 Bg7 5. Nc3 d5 6. c5 c6 7. e3 Ne4 8. Nxe4 dxe4 9. Bc4 a5 10. Qb3 0-0 11. b5 cxb5 12. Bxb5 Be6 13. Qc2 f5 14. Ne2 Nc6 15. Bc4 Bxc4 16. Qxc4+ Kh8 17. Nf4 Qe8 18. Rc1 Rg8 19. Ne6 Nb4 20. Nxg7 Rxg7 21. Rd1 e6 22. d5 exd5 23. Bxg7+ Kxg7 24. Qd4+ Kg8 25. 0-0 Rd8 26. a3 Nd3 27. Rb1 Qc6 28. a4 Rd7 29. Rb5 Qc7 30. Rfb1 Nb4 31. g3 Qd8 32. Qe5 d4 33. c6 bxc6 34. Rb8 d3 35. Qe6+ Kg7 36. Rxd8 Rxd8 37. Qe7+ Kh6 38. Qxd8 Na2 39. Rd1 Nc3 40. Rxd3 exd3 41. Qxd3 Nxa4 42. Qa3 1-0

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.09"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Buckland, Louis"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1533"]
[PlyCount "68"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 4. Bb2 e6 5. Be2 c5 6. c4 dxc4 7. Bxc4 Be7 8. Bb5+ Nbd7 9. Ne5 0-0 10. Nxd7 Nxd7 11. 0-0 a6 12. Be2 Bf6 13. d4 Nb8 14. Bf3 Qd7 15. e4 Bg6 16. e5 Be7 17. dxc5 Rd8 18. b4 Nc6 19. a3 Qc7 20. Qa4 Nxe5 21. Bxb7 Ng4 22. g3 Qxb7 23. Ra2 Qf3 24. Nc3 Bd3 25. Ba1 Bxf1 26. Kxf1 Bf6 27. Ke1 Bxc3+ 28. Bxc3 Qxc3+ 29. Kf1 Qc4+ 30. Kg2 Qxa2 31. c6 Qxf2+ 32. Kh3 f5 33. Kh4 Qxh2+ 34. Kg5 Qh6# 0-1

[Event "ENG-ch U14"]
[Site "Torquay"]
[Date "2022.08.08"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Hill, Edward"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1533"]
[PlyCount "97"]
[EventDate "2022.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 dxc4 4. Bxc4 Nc6 5. b3 e6 6. Bb2 g6 7. 0-0 Bg7 8. d4 0-0 9. Ne5 Nxe5 10. dxe5 Nd5 11. Nd2 Re8 12. e4 Nb6 13. Be2 f6 14. exf6 Bxf6 15. Bxf6 Qxf6 16. Nc4 Rd8 17. Qc2 Nxc4 18. Bxc4 a6 19. b4 b5 20. Bb3 Ra7 21. Qc5 Qd4 22. Rad1 Qxc5 23. Rxd8+ Qf8 24. Rfd1 Ra8 25. Rxf8+ Kxf8 26. Rd8+ Ke7 27. Rh8 h5 28. Rh7+ Kd6 29. Rg7 Bb7 30. Rxg6 Bxe4 31. Rxe6+ Kd7 32. Rxe4 Re8 33. Rxe8 Kxe8 34. f4 Kd8 35. f5 Ke7 36. Kf2 a5 37. bxa5 c5 38. a6 c4 39. a7 b4 40. Bxc4 Kf6 41. Be6 Ke5 42. a8Q Kd4 43. Qd5+ Kc3 44. Qb3+ Kd2 45. Qe3+ Kc2 46. Bb3+ Kb2 47. Qd2+ Kb1 48. Qc2+ Ka1 49. Qc1# 1-0

[Event "Leamington Spa 4NCL op-A 28th"]
[Site "Leamington Spa"]
[Date "2022.07.10"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Phan, Stefanus Kf"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1540"]
[BlackElo "1840"]
[PlyCount "76"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 d5 3. b3 Bg4 4. Be2 e6 5. Bb2 c5 6. 0-0 Nc6 7. d4 Be7 8. h3 Bh5 9. Ne5 Bxe2 10. Qxe2 cxd4 11. exd4 0-0 12. Nd2 Rc8 13. c3 Nxe5 14. dxe5 Nd7 15. c4 Nb6 16. cxd5 Rc2 17. d6 Rxb2 18. dxe7 Qxe7 19. Qe3 Rc8 20. Rfb1 Qa3 21. Rd1 Rxa2 22. Rxa2 Qxa2 23. Nf3 Nd5 24. Qe4 Qc2 25. Rd3 h6 26. Qd4 Nf4 27. Re3 Ne2+ 28. Rxe2 Qxe2 29. Qd7 Rc1+ 30. Kh2 Qxf2 31. Qe8+ Kh7 32. Qxf7 Rc2 33. Ng5+ hxg5 34. Qh5+ Kg8 35. Qe8+ Qf8 36. Qxe6+ Kh8 37. Qg4 Qf4+ 38. Qxf4 gxf4 0-1

[Event "Leamington Spa 4NCL op-A 28th"]
[Site "Leamington Spa"]
[Date "2022.07.10"]
[Round "4"]
[White "Vleeshhouwer, Douglas"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1941"]
[BlackElo "1540"]
[PlyCount "57"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. e3 e6 4. h3 h6 5. d4 Nf6 6. Nc3 a6 7. Bd3 Bxd3 8. Qxd3 Bd6 9. 0-0-0 Nc6 10. Nge2 Qe7 11. Kb1 0-0-0 12. f3 Nb4 13. Qd2 c5 14. Na4 cxd4 15. Nxd4 Qc7 16. Rc1 Kb8 17. c4 dxc4 18. Rxc4 Qe7 19. Qe2 Rc8 20. Rhc1 Rxc4 21. Qxc4 Nd7 22. a3 Ne5 23. Qc3 Nbd3 24. f4 Nxb2 25. Nxb2 Nd7 26. Nc4 Rc8 27. Qb2 g6 28. Nxd6 Rxc1+ 29. Qxc1 1/2-1/2

[Event "Leamington Spa 4NCL op-A 28th"]
[Site "Leamington Spa"]
[Date "2022.07.09"]
[Round "2"]
[White "Cast, Julian"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1909"]
[BlackElo "1540"]
[PlyCount "57"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nd2 c5 5. c3 Nc6 6. f4 Nd7 7. Ngf3 g6 8. 0-0 f5 9. b3 Nf6 10. Bb2 Bg7 11. dxc5 Ne4 12. Nd4 Nxc5 13. Bb5 Bd7 14. Ba3 Nxd4 15. Bxd7+ Qxd7 16. cxd4 Ne4 17. Nxe4 dxe4 18. Qd2 Kf7 19. Qa5 b6 20. Qa6 Rac8 21. Rac1 Rhd8 22. Rfd1 Bf8 23. Bxf8 Kxf8 24. Rc4 Rc7 25. Rdc1 Rdc8 26. Qxc8+ Qxc8 27. Rxc7 Qa6 28. Rxh7 g5 29. Rcc7 1-0

[Event "Leamington Spa 4NCL op-A 28th"]
[Site "Leamington Spa"]
[Date "2022.07.09"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Liu, Tianyi"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "1540"]
[BlackElo "1621"]
[PlyCount "83"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 e6 3. c4 c5 4. b3 Nc6 5. Bb2 d5 6. cxd5 exd5 7. Bb5 Bg4 8. h3 Bd7 9. 0-0 Bd6 10. d4 cxd4 11. Nxd4 0-0 12. Be2 Qe7 13. Nd2 Rac8 14. N2f3 Rfd8 15. Rc1 Ne5 16. Rxc8 Rxc8 17. Bb5 Nxf3+ 18. Qxf3 Qe5 19. Qf4 Qxf4 20. exf4 Bxf4 21. Bxd7 Nxd7 22. Nf5 Re8 23. Bxg7 Be5 24. Bxe5 Rxe5 25. Nd6 b6 26. Rd1 Kf8 27. Nb5 a5 28. f4 Re2 29. Rxd5 Ke7 30. a4 Rb2 31. Nd4 Nc5 32. Kh2 Rb1 33. f5 Nxb3 34. Nc6+ Kf6 35. Rd6+ Kxf5 36. Ne7+ Ke5 37. Rxb6 Nd2 38. Nc6+ Kf5 39. Rb5+ Rxb5 40. axb5 Nc4 41. b6 Nxb6 42. Nxa5 1/2-1/2

[Event "Leamington Spa 4NCL op-A 28th"]
[Site "Leamington Spa"]
[Date "2022.07.08"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Gomez, Daniel3333"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1540"]
[BlackElo "1980"]
[PlyCount "64"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 e6 3. c4 d5 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. d4 cxd4 8. Nxd4 Bb4+ 9. Bc3 a5 10. Bb5 Qb6 11. 0-0 0-0 12. a4 Ne4 13. Bxb4 axb4 14. Nxc6 bxc6 15. Bd3 Ba6 16. Bxa6 Qxa6 17. Qd4 Qb7 18. f3 c5 19. Qd3 Nf6 20. Nd2 Rfd8 21. Rac1 c4 22. bxc4 dxc4 23. Qc2 c3 24. Nb3 Qa7 25. a5 Qxe3+ 26. Kh1 h5 27. Rfe1 Qg5 28. Rcd1 Qb5 29. Re3 Re8 30. Red3 Re5 31. h3 Rae8 32. f4 Re2 0-1

[Event "Hammersmith CC op"]
[Site "London"]
[Date "2022.06.05"]
[Round "4"]
[White "Hertog, Alexander"]
[Black "Hort, Max"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1798"]
[BlackElo "2058"]
[PlyCount "73"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 c6 4. Bb2 e6 5. Be2 Bd6 6. d4 0-0 7. 0-0 Nbd7 8. Nbd2 b6 9. Ne5 Bb7 10. Ndf3 Ne4 11. Nxd7 Qxd7 12. Ne5 Qc7 13. g3 f6 14. Nd3 Rae8 15. Bf3 Ng5 16. Bg2 Bc8 17. c4 dxc4 18. bxc4 c5 19. d5 exd5 20. Bxd5+ Kh8 21. Nf4 Bxf4 22. exf4 Nf7 23. Qf3 Nd6 24. Rac1 Re7 25. Rfe1 Bb7 26. Bxb7 Nxb7 27. Re3 h6 28. Rce1 Rfe8 29. Qd5 Nd6 30. Bc1 Kh7 31. f5 Nf7 32. Re6 Ng5 33. Bf4 Nh3+ 34. Kg2 Nxf4+ 35. gxf4 Rd7 36. Qe4 Red8 37. Qf3 1/2-1/2

[Event "Hammersmith CC op"]
[Site "London"]
[Date "2022.06.05"]
[Round "5"]
[White "Vekaria, Vinay"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1935"]
[BlackElo "1798"]
[PlyCount "92"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Qe2 Ndf6 6. d4 Nxe4 7. Qxe4 Nf6 8. Qh4 Bf5 9. c3 e6 10. Be2 Nd5 11. Qg3 Bg6 12. Ne5 Bd6 13. f4 Qc7 14. 0-0 0-0-0 15. b4 f6 16. Nc4 Nb6 17. Nxd6+ Qxd6 18. a4 Be4 19. a5 Nd5 20. b5 cxb5 21. Bxb5 g5 22. Ba3 Qc7 23. fxg5 Qxg3 24. hxg3 fxg5 25. a6 b6 26. Rf7 Nc7 27. Be2 Rd7 28. Raf1 Bf5 29. Rxd7 Kxd7 30. g4 Bg6 31. Bc1 Nd5 32. Bb5+ Kd6 33. Bxg5 Nxc3 34. Bc4 Rc8 35. Bb3 Bd3 36. Rf7 Ne2+ 37. Kf2 Rc7 38. Bxe6 Rxf7+ 39. Bxf7 Bxa6 40. Bf6 Nc3 41. Be5+ Kc6 42. Ke3 Nd5+ 43. Ke4 Nc3+ 44. Ke3 Nd5+ 45. Ke4 Nc3+ 46. Ke3 Nd5+ 1/2-1/2

[Event "Hammersmith CC op"]
[Site "London"]
[Date "2022.06.04"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Hanache, Kai"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1798"]
[BlackElo "1565"]
[PlyCount "175"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 e6 3. c4 c5 4. b3 b6 5. Bb2 Bb7 6. Be2 Be7 7. 0-0 0-0 8. d4 d5 9. cxd5 exd5 10. Nbd2 Nc6 11. Ne5 Rc8 12. Ndf3 Qc7 13. Rc1 Rfd8 14. Nxc6 Qxc6 15. dxc5 bxc5 16. Nd4 Qd7 17. Bb5 Qg4 18. Qxg4 Nxg4 19. Nf5 Bf8 20. h3 Nf6 21. Nh6+ gxh6 22. Bxf6 Rd6 23. Be5 Re6 24. Bb2 Rd8 25. Ba3 a6 26. Be2 Rc6 27. Rfd1 Rcc8 28. Bf3 Kh8 29. Rc2 Rc7 30. Rdc1 Rdc8 31. Bg4 Re8 32. Bxc5 Bxc5 33. Rxc5 Rxc5 34. Rxc5 Re7 35. Bf3 Rd7 36. Rc2 f5 37. Rd2 Rc7 38. Rd4 Rd7 39. Rf4 Rf7 40. Kh2 Kg7 41. Be2 Rf6 42. Bd3 Bc8 43. Rd4 Rd6 44. f3 Kf6 45. Kg3 Ke5 46. Rb4 d4 47. exd4+ Rxd4 48. Rxd4 Kxd4 49. Bc4 Kc3 50. Kf4 Kb2 51. a4 a5 52. Ke5 Bd7 53. Kd6 Be8 54. Be6 Kc3 55. Ke5 Bg6 56. f4 h5 57. Bxf5 Kxb3 58. Bd7 Kb4 59. f5 Bf7 60. Kf6 Bd5 61. Kg7 Kc5 62. f6 Kd6 63. Be8 Ke5 64. f7 Bxf7 65. Bxf7 h4 66. Kxh7 Kf4 67. Kh6 Kg3 68. Bd5 Kf4 69. Kh5 Kf5 70. Kxh4 Kg6 71. Kg4 Kf6 72. Kf4 Kg7 73. Ke5 Kf8 74. Kd6 Ke8 75. Bf3 Kd8 76. Kc6 Kc8 77. Kb6 Kd7 78. Kxa5 Ke6 79. Kb6 Kf5 80. Kb7 Kf4 81. a5 Kg3 82. a6 Kh2 83. a7 Kh1 84. a8Q Kh2 85. Qg8 Kh1 86. Qa2 Kh2 87. Qf2 Kh1 88. g4# 1-0

[Event "Hammersmith CC op"]
[Site "London"]
[Date "2022.06.04"]
[Round "2"]
[White "Pandit, Kabir"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1976"]
[BlackElo "1798"]
[PlyCount "81"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 Nf6 3. Bg2 d5 4. d4 Bf5 5. Nc3 e6 6. Qb3 Qc7 7. Bf4 Qc8 8. Rc1 Qd7 9. Nf3 b6 10. Ne5 Qd8 11. cxd5 cxd5 12. Nb5 Na6 13. Qa4 Bb4+ 14. Nc3+ Nd7 15. Qxa6 0-0 16. Nc6 Bxc3+ 17. Rxc3 Qf6 18. 0-0 h5 19. Be5 Qg6 20. f4 Qg4 21. Re1 Be4 22. h3 Nxe5 23. hxg4 Bxg2 24. fxe5 Be4 25. gxh5 g6 26. hxg6 Kg7 27. Rf1 Bxg6 28. Rcf3 Rh8 29. Qb7 Raf8 30. Nxa7 Bf5 31. Rxf5 exf5 32. Rxf5 Rh6 33. Qxd5 Rg6 34. Kf2 Rh6 35. Nb5 Rh2+ 36. Kf3 Rh1 37. Kg4 Rh6 38. Nd6 Rh7 39. Rxf7+ Rxf7 40. Qxf7+ Kh6 41. Nf5# 1-0

[Event "Hammersmith CC op"]
[Site "London"]
[Date "2022.06.04"]
[Round "1"]
[White "Skulte, Christopher"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2142"]
[BlackElo "1798"]
[PlyCount "99"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Qe2 e6 6. Bf4 Ndf6 7. 0-0-0 Nxe4 8. Qxe4 Nf6 9. Qf3 Qd5 10. c4 Qxf3 11. Nxf3 Be7 12. Ne5 Ne4 13. Be3 f6 14. Nd3 Bd7 15. f3 Nd6 16. Nc5 Nf5 17. Bf2 Bxc5 18. dxc5 0-0-0 19. g4 Ne7 20. h4 e5 21. h5 h6 22. Bg3 e4 23. Re1 f5 24. Bd6 Rde8 25. gxf5 Nxf5 26. fxe4 Nxd6 27. cxd6 Re5 28. Bd3 Bg4 29. Reg1 Bf3 30. Rh3 Bxh5 31. Rxg7 Be8 32. b4 Bd7 33. Rh4 b6 34. Kd2 c5 35. b5 h5 36. Be2 Rhe8 37. Bxh5 Rh8 38. Rxd7 Rhxh5 39. Rxh5 Rxh5 40. Rxa7 Rh6 41. e5 Re6 42. Re7 Rh6 43. e6 Rh2+ 44. Kd3 Rxa2 45. Rc7+ Kd8 46. e7+ Ke8 47. Rc8+ Kd7 48. e8Q+ Kxd6 49. Rd8+ Kc7 50. Qd7# 1-0

[Event "4NCL Online op 13th"]
[Site "Lichess.org INT"]
[Date "2022.01.16"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Jiping, Li"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1646"]
[BlackElo "1585"]
[PlyCount "55"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 e6 3. c4 c5 4. b3 b6 5. Bb2 Bb7 6. Be2 Be7 7. 0-0 0-0 8. d4 cxd4 9. exd4 d5 10. cxd5 exd5 11. Ne5 Ne4 12. Bf3 Ng5 13. Bg4 f5 14. Be2 Nc6 15. Nxc6 Bxc6 16. Nd2 f4 17. Nf3 Bd6 18. Nxg5 Qxg5 19. Bf3 Bb5 20. Re1 Bb4 21. Re5 Qg6 22. Bxd5+ Kh8 23. Bxa8 f3 24. Bxf3 Rxf3 25. Qxf3 Bc6 26. Qg3 Qc2 27. Rg5 Qxb2 28. Qb8+ 1-0

[Event "4NCL Online op 13th"]
[Site "Lichess.org INT"]
[Date "2022.01.15"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Cooper, Dylan E"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1646"]
[BlackElo "1809"]
[PlyCount "66"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. c4 d4 4. d3 Nc6 5. Be2 e5 6. exd4 cxd4 7. Bg5 f6 8. Bh4 h5 9. h3 Bd6 10. Bg3 Nge7 11. Nbd2 Bf5 12. Nh4 g6 13. Nxf5 Nxf5 14. Bh2 Bb4 15. a3 Bxd2+ 16. Qxd2 a5 17. Bf3 Qe7 18. Be4 Kf7 19. Qe2 Nd6 20. Bd5+ Kg7 21. Rc1 Rhd8 22. Rc2 Nb8 23. Qd1 Nd7 24. Re2 Nb6 25. Bf3 Nbxc4 26. dxc4 Nxc4 27. Be4 d3 28. Bxd3 Qd7 29. Bc2 Qb5 30. Qb1 Nxb2 31. Re3 a4 32. Qc1 Rac8 33. Re2 Nd3+ 0-1

[Event "4NCL Online op 13th"]
[Site "Lichess.org INT"]
[Date "2022.01.15"]
[Round "2"]
[White "Kumar, Soham"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1835"]
[BlackElo "1646"]
[PlyCount "81"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. a3 e6 6. Nf3 Nge7 7. Bb5 Qa5 8. Bxc6+ Nxc6 9. 0-0 Qc7 10. Be3 b6 11. Nbd2 Bb7 12. b4 Ne7 13. bxc5 bxc5 14. Rb1 Nf5 15. Qb3 Nxe3 16. fxe3 Bc6 17. Ng5 h6 18. Nxf7 Rg8 19. Qc2 g6 20. Rf6 Qe7 21. Nd6+ Kd8 22. Rbf1 Be8 23. Qb1 Bg7 24. R6f3 Qc7 25. Nb7+ Kc8 26. Nxc5 Rb8 27. Qd3 Rb6 28. c4 Kb8 29. e4 dxe4 30. Ndxe4 Ka8 31. Nd6 Rxd6 32. exd6 Qxd6 33. Rd1 Bc6 34. Ne4 Qc7 35. d5 exd5 36. cxd5 Rd8 37. Qc4 Qb6+ 38. Qc5 Qxc5+ 39. Nxc5 Rxd5 40. Rxd5 Bxd5 41. Rd3 1-0

[Event "4NCL Online op 13th"]
[Site "Lichess.org INT"]
[Date "2022.01.14"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Lim, Mark"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1646"]
[BlackElo "1920"]
[PlyCount "60"]
[EventDate "2022.01.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c6 3. c4 Nf6 4. b3 Nbd7 5. Bb2 e6 6. Be2 Bd6 7. d4 Ne4 8. Nbd2 f5 9. Ne5 Nxe5 10. dxe5 Bb4 11. Bc1 Bc3 12. Rb1 Bxe5 13. Nxe4 fxe4 14. Qd2 0-0 15. Bb2 Qf6 16. 0-0 Bd7 17. Bxe5 Qxe5 18. b4 Rf6 19. b5 Rh6 20. g3 Rf8 21. h4 Qd6 22. bxc6 Bxc6 23. cxd5 exd5 24. Bb5 Qg6 25. Kh2 Qg4 26. Rh1 g5 27. Bxc6 bxc6 28. Kg2 gxh4 29. Qd1 h3+ 30. Kf1 Qxg3 0-1

[Event "4NCL Autumn Online 2nd"]
[Site "Lichess.org INT"]
[Date "2021.11.23"]
[Round "7"]
[White "Arora, Tashika"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1724"]
[PlyCount "119"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Nxd4 e5 5. Nb3 Be6 6. Bg2 Nc6 7. 0-0 e4 8. Nd4 Nxd4 9. Qxd4 Nf6 10. Nd2 b6 11. Nb3 h6 12. Rd1 Be7 13. Bf4 0-0 14. c3 Rc8 15. Qd2 Bd6 16. Bxd6 Qxd6 17. Nd4 Bd7 18. Rac1 Qe5 19. Nc2 Bc6 20. Nb4 Bb7 21. Qd4 Qe6 22. f3 Rfd8 23. b3 Qe7 24. Bh3 Rc7 25. Nc2 Re8 26. Re1 Qc5 27. Qxc5 Rxc5 28. Nd4 exf3 29. Nxf3 Ne4 30. Nd4 Rxc3 31. Nb5 Rxc1 32. Rxc1 Ng5 33. Bg4 Re7 34. Nd6 Ba6 35. Rc2 Ne4 36. Nf5 Re5 37. Nd4 Re7 38. Bf3 g6 39. b4 Bb7 40. b5 Nc5 41. Nc6 Bxc6 42. bxc6 d4 43. Rc4 Ne6 44. Bg4 Rc7 45. Bxe6 fxe6 46. Rxd4 Rxc6 47. Rd8+ Kf7 48. Rd7+ Kf6 49. Rxa7 Rc2 50. Kf2 h5 51. Ra6 Rb2 52. a4 Ra2 53. Rxb6 Rxa4 54. Rb5 Re4 55. Kf3 Re5 56. Rb4 Rf5+ 57. Kg2 Re5 58. Kf3 Rf5+ 59. Kg2 Re5 60. Kf3 1/2-1/2

[Event "4NCL Autumn Online 2nd"]
[Site "Lichess.org INT"]
[Date "2021.11.09"]
[Round "6"]
[White "Hertog, Alexander"]
[Black "Willison, Steve"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "55"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 c5 3. b3 g6 4. Bb2 Bg7 5. Be2 Nc6 6. c4 0-0 7. 0-0 b6 8. d4 cxd4 9. exd4 d5 10. Nbd2 Bb7 11. Rc1 Bh6 12. Rb1 Rc8 13. Ne5 Qd6 14. Ndf3 Ne4 15. Nxc6 Bxc6 16. Ne5 dxc4 17. Nxc6 Rxc6 18. Bxc4 Nd2 19. d5 Rxc4 20. bxc4 Nxb1 21. Qxb1 Rc8 22. Qe4 Bg7 23. Bxg7 Kxg7 24. g3 Qf6 25. Re1 Rc7 26. Re2 Kf8 27. Qd3 Rc5 28. Kg2 1/2-1/2

[Event "4NCL Autumn Online 2nd"]
[Site "Lichess.org INT"]
[Date "2021.09.28"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Cole, Graham"]
[Result "1/2-1/2"]
[ECO "E61"]
[BlackElo "1818"]
[PlyCount "181"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. e3 g6 3. c4 Bg7 4. Nc3 Nf6 5. b3 0-0 6. Bb2 Nc6 7. Be2 d6 8. 0-0 Bf5 9. d4 cxd4 10. Nxd4 Nxd4 11. exd4 d5 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. Bf3 Qd7 15. Qe2 Rac8 16. Rac1 Be6 17. d5 Bxd5 18. Bxd5 Qxd5 19. Bxg7 Kxg7 20. Qxe7 Rxc1 21. Rxc1 Rd8 22. h3 Rd7 23. Qe3 b6 24. Qc3+ Kg8 25. Re1 Qa8 26. Qb4 Qd8 27. Qf4 Rd1 28. Rxd1 Qxd1+ 29. Kh2 Qd7 30. Qe5 h6 31. a4 Kh7 32. b4 Qxa4 33. Qe7 Kg8 34. Qd8+ Kg7 35. Qd4+ f6 36. Qd6 Qe8 37. Qc7+ Qf7 38. Qd6 h5 39. b5 Kh6 40. Qf4+ Kg7 41. Qd6 Qe8 42. Qc7+ Kh6 43. Qf4+ Kg7 44. Qc7+ Kh8 45. Qxa7 Qxb5 46. Qb8+ Kh7 47. Qc7+ Kh6 48. Qd8 Qe5+ 49. g3 f5 50. Qxb6 Qg7 51. Qe3+ Kh7 52. h4 Qd7 53. Qf4 Qe7 54. Qd4 Qb7 55. Qe3 Qd7 56. Qe2 Qb7 57. Kg1 Qb1+ 58. Kg2 Qb7+ 59. Qf3 Qd7 60. Kf1 Qb5+ 61. Ke1 Qe5+ 62. Kd2 Qd4+ 63. Ke2 Qb2+ 64. Ke3 Qc3+ 65. Ke2 Qc2+ 66. Ke1 Qc1+ 67. Qd1 Qc3+ 68. Qd2 Qa1+ 69. Ke2 Qe5+ 70. Qe3 Qb5+ 71. Kd2 Qb2+ 72. Kd3 Qb3+ 73. Kd4 Qb6+ 74. Ke5 Qc7+ 75. Kf6 Qg7+ 76. Ke6 Qg8+ 77. Kd6 Qb8+ 78. Ke7 Qb4+ 79. Kf7 Qb8 80. Qe7 Qg8+ 81. Kf6+ Kh6 82. Ke5 Qb8+ 83. Kd5 Qb3+ 84. Kc6 Qf3+ 85. Kd7 Qxf2 86. Qg5+ Kh7 87. Qe7+ Kh6 88. Qg5+ Kh7 89. Qe7+ Kh6 90. Qg5+ Kh7 91. Qe7+ 1/2-1/2

[Event "4NCL Autumn Online 2nd"]
[Site "Lichess.org INT"]
[Date "2021.09.14"]
[Round "2"]
[White "Southcott Moyers, Indy"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "75"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. Bf4 Nf6 4. e3 Bg4 5. Be2 e6 6. c4 Bd6 7. Bxd6 Qxd6 8. Qb3 b6 9. Nc3 Nbd7 10. 0-0 0-0 11. h3 Bh5 12. Rac1 Rac8 13. Rfd1 c5 14. cxd5 cxd4 15. Rxd4 Nc5 16. Qa3 e5 17. Rdd1 e4 18. Nd4 Bxe2 19. Ndxe2 Rfd8 20. Ng3 Rc7 21. Rc2 Qe5 22. Rcd2 Rcd7 23. b4 Nd3 24. Ncxe4 Nxe4 25. Nxe4 Qxe4 26. Rxd3 h5 27. Qb3 Rd6 28. Rd4 Qf5 29. Qd3 Qg5 30. f4 Qg3 31. Qd2 f6 32. e4 Kh8 33. Qf2 Qg6 34. e5 fxe5 35. fxe5 R6d7 36. e6 Rd6 37. Rf4 Rxe6 38. Rf8+ 1-0

[Event "4NCL Online Congress 10th"]
[Site "Lichess.org INT"]
[Date "2021.08.15"]
[Round "4"]
[White "Fitzgerald, Niall"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1549"]
[PlyCount "55"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Qe2 Ngf6 7. Neg5 Nd5 8. 0-0 Be7 9. d4 N7b6 10. Bd3 h6 11. Nh3 0-0 12. c4 Nb4 13. Be4 c5 14. Rd1 Qc7 15. Bf4 Bd6 16. Ne5 cxd4 17. Rxd4 f5 18. Bf3 Bxe5 19. Bxe5 Qf7 20. Rad1 Nc6 21. Bxc6 bxc6 22. Nf4 Nd7 23. Bd6 Nf6 24. Bxf8 Kxf8 25. Rd8+ Ke7 26. Qe5 Nd7 27. R1xd7+ Bxd7 28. Rxa8 1-0

[Event "4NCL Online Congress 10th"]
[Site "Lichess.org INT"]
[Date "2021.08.13"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Moyse, Nigel John"]
[Result "0-1"]
[ECO "A11"]
[BlackElo "2024"]
[PlyCount "72"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 g6 3. c4 c6 4. Nc3 Nf6 5. b3 Bg7 6. Bb2 0-0 7. Be2 Nbd7 8. d4 Ng4 9. h3 Nh6 10. cxd5 cxd5 11. Nxd5 Qa5+ 12. Nc3 e5 13. 0-0 Nf5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Na4 Rd8 17. Qe1 Qc7 18. Rc1 Qe7 19. Bxe5 Qxe5 20. Qc3 Qe7 21. Rfd1 Bd7 22. Qc5 Qf6 23. Nc3 Rac8 24. Qb4 Bc6 25. Ne4 Qb2 26. Bg4 Qe5 27. Nc5 Rxd1+ 28. Rxd1 Rc7 29. Bxf5 Qxf5 30. Rd8+ Kg7 31. Qd4+ Kh6 32. Qh4+ Kg7 33. Qd4+ Kh6 34. Qh4+ Qh5 35. Qf4+ Qg5 36. Qxc7 Qxg2# 0-1

[Event "4NCL Online op 9th"]
[Site "Lichess.org INT"]
[Date "2021.06.20"]
[Round "5"]
[White "Truman, Richard G"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1913"]
[PlyCount "48"]
[EventDate "2021.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. Bd3 h6 9. Bh4 Qb6 10. 0-0 dxc4 11. Bxc4 Qxb2 12. Nb5 Qb4 13. Nc7+ Kd7 14. Nxa8 Qxc4 15. Ne5+ Nxe5 16. dxe5+ Nd5 17. Bxe7 Kxe7 18. Rc1 Qxa2 19. Rc7+ Bd7 20. Rxb7 Rxa8 21. Qd4 Qa6 22. Rfb1 Qc6 23. Qh4+ Ke8 24. h3 Nb6 0-1

[Event "4NCL Online op 9th"]
[Site "Lichess.org INT"]
[Date "2021.06.20"]
[Round "4"]
[White "Zheng, Harry Z"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1685"]
[PlyCount "124"]
[EventDate "2021.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 e6 6. Bxc6+ bxc6 7. a3 Bxc5 8. b4 Bb6 9. Qg4 Ne7 10. Ne2 Ng6 11. h4 h5 12. Qg3 Ba6 13. Nbc3 d4 14. Ne4 Bc7 15. Bf4 Bxe2 16. Kxe2 Qd5 17. f3 Bxe5 18. Bxe5 Qxe5 19. Qxe5 Nxe5 20. Rhd1 Rd8 21. Nc5 Ng6 22. g3 e5 23. Nb7 Rd7 24. Na5 Rc7 25. Nb3 Ke7 26. Kd3 Rd8 27. Re1 f6 28. Nc5 Kf7 29. Rf1 Rd5 30. Rae1 Re7 31. Re2 f5 32. Kc4 Rd8 33. Rfe1 Rde8 34. Nb3 f4 35. gxf4 exf4 36. Nxd4 Rxe2 37. Rxe2 Rxe2 38. Nxe2 Nxh4 39. Nxf4 g6 40. Kc5 Nxf3 41. c4 h4 42. Nh3 g5 43. Nf2 Nh2 44. Kxc6 g4 45. Kd5 g3 46. Nh3 Ng4 47. c5 Nf2 48. Ng5+ Ke7 49. Kc6 h3 50. Nxh3 Nxh3 51. Kb7 g2 52. Kxa7 g1Q 53. Kb7 Kd8 54. c6 Qg7+ 55. Kb6 Qc7+ 56. Kb5 Nf4 57. a4 Ne6 58. a5 Nd4+ 59. Ka6 Qxc6+ 60. Ka7 Nb5+ 61. Kb8 Qc7+ 62. Ka8 Qa7# 0-1

[Event "4NCL Online op 9th"]
[Site "Lichess.org INT"]
[Date "2021.06.19"]
[Round "2"]
[White "Hertog, Alexander"]
[Black "Moyse, Nigel John"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "2036"]
[PlyCount "108"]
[EventDate "2021.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. b3 g6 4. Bb2 Bg7 5. Nbd2 0-0 6. g3 c6 7. Bg2 Nbd7 8. 0-0 Qc7 9. Re1 Rb8 10. e4 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. c4 Rd8 14. Qc2 Nd7 15. Rad1 Nf8 16. Qc3 Bg4 17. Nf3 Rxd1 18. Rxd1 Rd8 19. Rxd8 Qxd8 20. Qd2 Qe7 21. h3 Bxf3 22. Bxf3 Ne6 23. Bg2 Nd4 24. f4 Qd6 25. Bxd4 exd4 26. e5 Qd7 27. Qd3 Bf8 28. Kh2 Ba3 29. Bf3 c5 30. Kg2 a6 31. Qe4 d3 32. Qd5 Qxd5 33. cxd5 b5 34. d6 Kf8 35. Kf2 c4 36. bxc4 bxc4 37. Ke3 Bc5+ 38. Kd2 Bf2 39. Bd5 Bxg3 40. Bxc4 Bxf4+ 41. Kxd3 Bxe5 42. Bxa6 Bxd6 43. a4 Bc7 44. Bb7 Ke7 45. Ke4 Kd6 46. Kd4 f5 47. Kc4 Ke5 48. Bg2 Kf4 49. Kd3 Kg3 50. Bf1 Kf2 51. Be2 Bd8 52. h4 Bxh4 53. a5 Kg2 54. a6 Bf2 0-1

[Event "4NCL Online op 9th"]
[Site "Lichess.org INT"]
[Date "2021.06.18"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Hammond, Benjamin"]
[Result "0-1"]
[ECO "A13"]
[BlackElo "1723"]
[PlyCount "70"]
[EventDate "2021.06.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. c4 e6 4. b3 Nf6 5. Bb2 Be7 6. Be2 0-0 7. 0-0 Nc6 8. d4 b6 9. Ne5 Bb7 10. f4 Ne4 11. Nc3 f5 12. Nxe4 fxe4 13. Bg4 Nxe5 14. fxe5 Qd7 15. cxd5 Bxd5 16. Ba3 c4 17. Bxe7 Qxe7 18. bxc4 Bxc4 19. Rxf8+ Rxf8 20. Qc2 Bd3 21. Qc6 Qg5 22. Qxe6+ Kh8 23. Kh1 Qxe3 24. Qe7 Qf2 25. h3 Bf1 26. Rxf1 Qxf1+ 27. Kh2 Qf4+ 28. Kg1 h6 29. Qb4 Qf1+ 30. Kh2 Rf2 31. Bf3 Rxf3 32. gxf3 Qf2+ 33. Kh1 Qxf3+ 34. Kh2 Qf2+ 35. Kh1 e3 0-1

[Event "4NCL Online op 8th"]
[Site "Lichess.org INT"]
[Date "2021.05.23"]
[Round "5"]
[White "Li, Ethan2222"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1561"]
[PlyCount "146"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Be7 10. 0-0 Nh5 11. Bg3 Nxg3 12. hxg3 0-0 13. Qc2 Bxf3 14. gxf3 h6 15. f4 Rac8 16. Qb1 Bd6 17. Nf3 Qe7 18. Kg2 Qf6 19. Rh1 a6 20. Ng5 Rfe8 21. Bh7+ Kf8 22. Nf3 Ke7 23. Bd3 Kd7 24. b4 b5 25. a4 Na7 26. Qb3 Rc7 27. axb5 Nxb5 28. Rhc1 Rec8 29. Qa4 Ke7 30. Bxb5 axb5 31. Qxb5 Rxc3 32. Ra7+ R3c7 33. Rcxc7+ Rxc7 34. Rxc7+ Bxc7 35. Qc6 Kd8 36. b5 Qe7 37. b6 Bb8 38. Qa8 Kc8 39. Ne5 Qb7 40. Qxb7+ Kxb7 41. Nxf7 Kxb6 42. Nd8 Kb5 43. Nxe6 g6 44. Kf3 Kc4 45. Ke3 Ba7 46. g4 Kb5 47. Nf8 g5 48. f5 Kc6 49. Ne6 Kd6 50. Nd8 Kd7 51. Nf7 Ke7 52. Ne5 Kd6 53. Nf3 Bb6 54. Kd3 Bd8 55. Kc3 Bf6 56. Nh2 Bg7 57. Nf1 Bf6 58. Ng3 Bg7 59. Nh5 Bf8 60. f6 Ke6 61. Kb3 Bd6 62. f3 Bb8 63. Kc3 Ba7 64. Ng7+ Kxf6 65. Ne8+ Kg6 66. Nc7 h5 67. Nxd5 h4 68. Nb4 Bb8 69. Nc6 Bg3 70. Ne7+ Kf7 71. Nf5 Bf4 72. d5 h3 73. d6 Ke6 0-1

[Event "4NCL Online op 8th"]
[Site "Lichess.org INT"]
[Date "2021.05.22"]
[Round "2"]
[White "Cole, Graham"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1818"]
[PlyCount "112"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 e6 6. Be3 Nge7 7. c3 Bd7 8. Bxc6 Bxc6 9. Nf3 Nf5 10. Bd4 Qa5 11. 0-0 Bb5 12. Re1 Qc7 13. Na3 Bd7 14. Nc2 Bxc5 15. Bxc5 Qxc5 16. Ncd4 Ne7 17. Qd2 Ng6 18. g3 h6 19. Nb3 Qc7 20. Qd4 b6 21. Qg4 h5 22. Qg5 h4 23. Nbd4 Qd8 24. Rad1 Qxg5 25. Nxg5 hxg3 26. hxg3 Rh5 27. Ngf3 Ke7 28. Kg2 Rah8 29. b3 b5 30. b4 Rc8 31. Rc1 Rhh8 32. Rh1 f6 33. exf6+ gxf6 34. Rxh8 Rxh8 35. Nb3 e5 36. Rh1 Rxh1 37. Kxh1 Bc6 38. Kg2 e4 39. Nfd4 Bd7 40. Nc5 Be8 41. Nf5+ Kd8 42. Kf1 Bc6 43. Ke2 Ne5 44. Nd4 Kc7 45. Nce6+ Kb6 46. Ng7 Nd7 47. Ke3 Ne5 48. Nh5 Ng4+ 49. Ke2 Bd7 50. Nf4 Bc6 51. f3 Ne5 52. fxe4 dxe4 53. Nh5 Ng4 54. Nf4 Ne5 55. Nh5 Ng4 56. Nf4 Ne5 1/2-1/2

[Event "4NCL Online op 8th"]
[Site "Lichess.org INT"]
[Date "2021.05.22"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Gordon, Frederick"]
[Result "0-1"]
[ECO "A30"]
[BlackElo "1456"]
[PlyCount "65"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 c5 2. e3 g6 3. c4 Bg7 4. Nc3 Nf6 5. b3 0-0 6. Bb2 Nc6 7. Be2 d5 8. cxd5 Nxd5 9. Qc2 Ncb4 10. Qb1 Be6 11. Nxd5 Bxd5 12. Bxg7 Kxg7 13. Qb2+ f6 14. 0-0 Qd6 15. d4 Bxf3 16. Bxf3 cxd4 17. exd4 Rac8 18. Bxb7 Rc2 19. Qb1 Qxd4 20. a3 Rb2 21. Qd1 Nd3 22. Rb1 Rxf2 23. Rxf2 Qxf2+ 24. Kh1 Qd4 25. Qc2 Nf2+ 26. Kg1 Ng4+ 27. Kh1 Rd8 28. Bf3 Nf2+ 29. Kg1 Ne4+ 30. Kh1 Nd2 31. Rd1 Qe3 32. Qc1 Nxf3 33. gxf3 0-1

[Event "4NCL Online op 8th"]
[Site "Lichess.org INT"]
[Date "2021.05.21"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Southcott Moyers, Indy"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "112"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bg4 5. Bb2 e6 6. Be2 Be7 7. d4 0-0 8. 0-0 Nbd7 9. Nc3 Re8 10. Nh4 Bxe2 11. Qxe2 Ne4 12. Nf3 Nxc3 13. Bxc3 Bd6 14. Qd2 Nf6 15. Bb2 Qe7 16. Qd3 Ne4 17. Nd2 Nxd2 18. Qxd2 e5 19. dxe5 Bxe5 20. Bxe5 Qxe5 21. cxd5 cxd5 22. Rfd1 Rad8 23. Qd4 Qxd4 24. Rxd4 f5 25. Rc1 Re7 26. Rc5 Red7 27. f3 g6 28. e4 dxe4 29. Rxd7 Rxd7 30. fxe4 fxe4 31. Ra5 a6 32. Re5 Rd1+ 33. Kf2 Rd2+ 34. Kg3 Rxa2 35. Rxe4 Ra3 36. Re3 Kf7 37. Kf3 Kf6 38. h3 h5 39. g3 b5 40. Kf4 g5+ 41. Ke4 a5 42. Rc3 a4 43. Rc6+ Kg7 44. bxa4 bxa4 45. Rc7+ Kf6 46. Rc6+ Ke7 47. Rh6 Rxg3 48. Rxh5 a3 49. h4 Rg4+ 50. Kf5 Ra4 51. hxg5 a2 52. g6 a1Q 53. Rh7+ Kf8 54. Rf7+ Kg8 55. Rc7 Qf1+ 56. Ke6 Ra6+ 0-1

[Event "4NCL Spring Online U2000 op 1st"]
[Site "Lichess.org INT"]
[Date "2021.04.27"]
[Round "7"]
[White "Hertog, Alexander"]
[Black "Tarling, Adam"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1577"]
[BlackElo "1670"]
[PlyCount "177"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Be7 4. b3 0-0 5. Bb2 b6 6. g3 Bb7 7. Bg2 c5 8. e3 d6 9. 0-0 Nbd7 10. Qc2 Re8 11. Rad1 Nf8 12. d4 Ng6 13. Rfe1 a6 14. Ne2 Be4 15. Qc1 Ra7 16. Nc3 Bb7 17. d5 Qa8 18. e4 h6 19. h3 Bf8 20. Re3 exd5 21. exd5 Rxe3 22. Qxe3 Qe8 23. Qxe8 Nxe8 24. Re1 Nc7 25. Na4 b5 26. Nb6 Na8 27. Nd7 Bc8 28. Nxf8 Kxf8 29. g4 Re7 30. Rxe7 Nxe7 31. Nd2 Nb6 32. Bf1 Bd7 33. f3 bxc4 34. Nxc4 Nxc4 35. bxc4 f5 36. Kf2 g5 37. Bd3 Kf7 38. Kg3 f4+ 39. Kf2 Ng6 40. Ke2 Ne5 41. Bxe5 dxe5 42. Bc2 Kf6 43. Be4 Kg7 44. Kd3 a5 45. Kc3 Ba4 46. Bf5 Bd1 47. Be4 Kf6 48. Kd2 Ba4 49. Bc2 Bxc2 50. Kxc2 a4 51. Kd3 Kf7 52. a3 Ke7 53. Ke4 Kf6 54. d6 Ke6 55. d7 Kxd7 56. Kxe5 Kc6 57. Ke6 Kb7 58. Kd7 Kb6 59. Kd6 Ka5 60. Kxc5 Ka6 61. Kb4 Kb6 62. Kxa4 Kc5 63. Kb3 Kd4 64. a4 Ke3 65. a5 Kxf3 66. a6 Ke2 67. a7 f3 68. a8Q f2 69. Qe4+ Kf1 70. c5 Kg1 71. Qb1+ f1Q 72. Qxf1+ Kxf1 73. c6 Kg2 74. c7 Kxh3 75. c8Q Kh4 76. Kc3 h5 77. gxh5 Kxh5 78. Kd3 g4 79. Ke3 g3 80. Qh3+ Kg6 81. Qxg3+ Kf7 82. Qd6 Kg7 83. Qe6 Kf8 84. Qd7 Kg8 85. Qe7 Kh8 86. Kf4 Kg8 87. Kg5 Kh8 88. Kg6 Kg8 89. Qe8# 1-0

[Event "4NCL Online op 7th"]
[Site "Lichess.org INT"]
[Date "2021.04.25"]
[Round "4"]
[White "Hertog, Alexander"]
[Black "Rothwell, James P"]
[Result "0-1"]
[ECO "A11"]
[BlackElo "1774"]
[PlyCount "88"]
[EventDate "2021.04.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. b3 g6 5. Bb2 Bg7 6. Nf3 Bg4 7. h3 Bxf3 8. Bxf3 e6 9. d4 0-0 10. Nc3 Nbd7 11. Bg2 Qc7 12. Rb1 Rac8 13. 0-0 Rfd8 14. c5 e5 15. dxe5 Nxe5 16. b4 Nc4 17. Ba1 Qe7 18. Qc1 b5 19. e3 Bh6 20. Ne2 Ne4 21. Bxe4 dxe4 22. Qc3 f6 23. Rfd1 Ne5 24. Kg2 Bg7 25. Nd4 f5 26. Qb3+ Nc4 27. Nc2 Qf7 28. Bxg7 Kxg7 29. Nd4 Qe7 30. Qc3 Kh6 31. h4 Ne5 32. Rh1 Qf7 33. a3 Nd3 34. Qb3 Rd5 35. Rbd1 Qd7 36. Qa2 f4 37. Nc2 Qg4 38. Rdf1 Rcd8 39. Nd4 f3+ 40. Kh2 Qd7 41. Rhg1 Ne5 42. Qc2 Ng4+ 43. Kh1 Nf6 44. Qc3 Qh3# 0-1

[Event "4NCL Online op 7th"]
[Site "Lichess.org INT"]
[Date "2021.04.24"]
[Round "2"]
[White "Bush, Ian"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1687"]
[PlyCount "85"]
[EventDate "2021.04.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Nc6 7. Bg5 Be7 8. c5 b6 9. Bb5 Bd7 10. Bxc6 Bxc6 11. Ne5 Qc7 12. b4 b5 13. 0-0 0-0 14. Qe2 Rab8 15. Bf4 Rb7 16. Ng6 Qd8 17. Nxf8 Qxf8 18. f3 Bd8 19. Rfe1 h6 20. Bd6 Qe8 21. Nd1 Bc7 22. Bxc7 Rxc7 23. Nf2 Nd7 24. Nd3 Qe7 25. a3 Qf6 26. Ne5 Nxe5 27. Qxe5 Qxe5 28. Rxe5 a5 29. Kf2 Ra7 30. Ree1 a4 31. Re2 Kf8 32. Rae1 Ke7 33. f4 Kf6 34. g4 g6 35. Kf3 Ra8 36. h4 Rg8 37. Re5 Kg7 38. h5 Bd7 39. hxg6 fxg6 40. c6 Bc8 41. Rc1 Kf6 42. Rc5 Ke7 43. Rxb5 1-0

[Event "4NCL Online op 7th"]
[Site "Lichess.org INT"]
[Date "2021.04.24"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Steiners, Emils"]
[Result "1-0"]
[ECO "A13"]
[BlackElo "1292"]
[PlyCount "43"]
[EventDate "2021.04.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Be7 5. Bb2 c5 6. d4 b6 7. Be2 Bb7 8. Nbd2 0-0 9. Ne5 Nc6 10. Ndf3 Bd6 11. Nxc6 Bxc6 12. Qc2 Qe7 13. Ng5 h6 14. dxc5 hxg5 15. cxd6 Qd8 16. h4 g6 17. hxg5 Nh7 18. 0-0-0 Qxg5 19. Rxh7 d4 20. Rdh1 Qf6 21. Qd1 Bxg2 22. Qxd4 1-0

[Event "4NCL Online op 7th"]
[Site "Lichess.org INT"]
[Date "2021.04.23"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Pichugov, Andrey"]
[Result "0-1"]
[ECO "A30"]
[BlackElo "1721"]
[PlyCount "68"]
[EventDate "2021.04.23"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 Nf6 6. b3 0-0 7. Bb2 b6 8. 0-0 Bb7 9. Rb1 e6 10. e3 d5 11. d4 dxc4 12. bxc4 cxd4 13. exd4 Na5 14. Qe2 Rc8 15. c5 bxc5 16. dxc5 Rxc5 17. Rfd1 Qa8 18. Rd3 Ba6 19. Qe3 Bxd3 20. Qxd3 Nc4 21. Ba1 Qd8 22. Qe2 Nd5 23. Nxd5 exd5 24. Bxg7 Kxg7 25. Qd3 Kg8 26. Qd4 Ra5 27. Nd2 Nxd2 28. Qxd2 Re8 29. Rd1 d4 30. Qb2 Qb6 31. Qc2 Qb4 32. h3 Re1+ 33. Rxe1 Qxe1+ 34. Kh2 Qc3 0-1

[Event "4NCL Spring Online U2000 op 1st"]
[Site "Lichess.org INT"]
[Date "2021.04.13"]
[Round "6"]
[White "Holroyd Doveton, Nathaniel"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "1642"]
[BlackElo "1577"]
[PlyCount "146"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 Na6 6. Bg2 Bc5 7. Qd1 Nc7 8. Nf3 d5 9. cxd5 Ncxd5 10. Nxd5 Nxd5 11. 0-0 0-0 12. Ng5 h6 13. Nf3 Nb4 14. Bd2 Bf5 15. Bxb4 Bxb4 16. Qb3 Qe7 17. Nd4 Bg6 18. e3 Bc5 19. Nf3 Bb6 20. Rfd1 Rad8 21. Rxd8 Rxd8 22. Rd1 Rxd1+ 23. Qxd1 Qd8 24. Qxd8+ Bxd8 25. Ne5 Bb1 26. Nc4 Bc7 27. a3 Ba2 28. Nd2 Be5 29. b3 f5 30. Nc4 Bc7 31. Nd2 Bd6 32. Nc4 Bc7 33. Nd2 a5 34. Bf1 Kf7 35. Bd3 g6 36. a4 Ke6 37. Kf1 Kd5 38. Ke1 Bd6 39. Bc4+ Ke5 40. Kd1 Bb4 41. Nf3+ Ke4 42. Nd4 Bb1 43. Ke2 Ke5 44. Bd3 Bxd3+ 45. Kxd3 Kd5 46. h4 Bc5 47. Ne2 Bd6 48. Nd4 Be5 49. Nf3 b5 50. Nxe5 Kxe5 51. f3 h5 52. Kc3 Kd5 53. Kd3 Ke5 54. Kc3 Kd5 55. Kd3 b4 56. Kd2 Kc5 57. Kd3 Kd6 58. Kc4 Kd7 59. Kc5 Kc7 60. e4 fxe4 61. fxe4 Kd7 62. e5 Ke6 63. Kxc6 Kxe5 64. Kb5 Kf5 65. Kxa5 Kg4 66. Kxb4 Kxg3 67. a5 Kxh4 68. a6 g5 69. a7 g4 70. a8Q g3 71. Qh1+ Kg4 72. Kc4 h4 73. Kd3 h3 1-0

[Event "4NCL Spring Online Major op 1st"]
[Site "Lichess.org INT"]
[Date "2021.03.30"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Quraishi, Shahab"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1577"]
[BlackElo "1857"]
[PlyCount "62"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 f5 3. Bg2 Nf6 4. Nc3 Nc6 5. d3 Be7 6. Nf3 d6 7. a3 0-0 8. b4 a6 9. Bb2 h6 10. Qb3 Kh7 11. Rd1 Be6 12. Nd2 Rb8 13. Nd5 Nd4 14. Bxd4 exd4 15. Nxe7 Qxe7 16. 0-0 c5 17. bxc5 dxc5 18. e3 dxe3 19. fxe3 Ng4 20. d4 b5 21. h3 bxc4 22. Qc3 cxd4 23. exd4 Nf6 24. Rfe1 Qd6 25. Nxc4 Bxc4 26. Qxc4 Qxg3 27. Qxa6 Rb2 28. Re2 Rxe2 29. Qxe2 Re8 30. Qd3 Re1+ 31. Rxe1 Qxd3 0-1

[Event "4NCL Online op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.28"]
[Round "5"]
[White "Fitzgerald, Martin"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1597"]
[PlyCount "66"]
[EventDate "2021.03.26"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 h6 7. Nbd2 Ne7 8. Nb3 c5 9. c4 dxc4 10. Bxc4 cxd4 11. Nbxd4 Bg4 12. Nb5 Nf5 13. Bf4 a6 14. Nc3 g5 15. Bg3 Nxg3 16. fxg3 Bg7 17. h3 Bxf3 18. Qxf3 Nxe5 19. Qxb7 Rb8 20. Qxa6 Qd4+ 21. Kh2 Qxc4 22. Qa3 Qb4 23. Qa7 0-0 24. a3 Qxb2 25. Rab1 Nc6 26. Qa6 Qxc3 27. Rbc1 Qa5 28. Qxc6 Qxa3 29. h4 gxh4 30. gxh4 Be5+ 31. Kh1 Qg3 32. Kg1 Rb2 33. Rc2 Bd4+ 0-1

[Event "4NCL Online op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.28"]
[Round "4"]
[White "Hertog, Alexander"]
[Black "Khoury, Theo"]
[Result "0-1"]
[ECO "A15"]
[BlackElo "1729"]
[PlyCount "82"]
[EventDate "2021.03.26"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. f4 e6 3. e3 d5 4. Nf3 c5 5. d4 Nc6 6. Nc3 cxd4 7. exd4 Be7 8. Be3 0-0 9. h3 dxc4 10. Bxc4 b6 11. 0-0 Bb7 12. Qe2 Nb4 13. a3 Nbd5 14. Nxd5 Nxd5 15. Bd2 Bf6 16. Qd3 g6 17. Ne5 Rc8 18. Rac1 Qe7 19. Bxd5 Bxd5 20. Bb4 Qb7 21. Bxf8 Rxf8 22. Nf3 b5 23. Qe3 Rd8 24. Rcd1 b4 25. Rd2 bxa3 26. bxa3 Bxf3 27. Rxf3 Qd5 28. Kh2 Bxd4 29. Qe2 Bg1+ 30. Kxg1 Qxd2 31. Qa6 Qd4+ 32. Kh2 Rb8 33. Qa5 Rb1 34. Kg3 h5 35. Qa6 Qd8 36. h4 Rh1 37. Kf2 Qxh4+ 38. Ke3 Qe1+ 39. Kd4 Qd2+ 40. Ke5 Re1+ 41. Kf6 Qd8# 0-1

[Event "4NCL Online op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.27"]
[Round "3"]
[White "Gazis, Georgios"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1817"]
[PlyCount "55"]
[EventDate "2021.03.26"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Ngf6 10. Bf4 e6 11. 0-0-0 Nd5 12. Bd2 Bd6 13. Ne4 Bc7 14. Kb1 Qe7 15. c4 Nf4 16. Qb3 0-0-0 17. g3 Nh5 18. Bb4 Qe8 19. Qa3 a6 20. Be7 Nhf6 21. Nd6+ Bxd6 22. Qxd6 Ne4 23. Qb4 Nxf2 24. d5 c5 25. Bxc5 Nxh1 26. Bd6 Nf6 27. Qc5+ Kd7 28. Qc7# 1-0

[Event "4NCL Online op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.27"]
[Round "2"]
[White "Hertog, Alexander"]
[Black "Voiculescu Holvad, Stephane"]
[Result "1-0"]
[ECO "A15"]
[BlackElo "1667"]
[PlyCount "69"]
[EventDate "2021.03.26"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. f4 c5 3. Nf3 g6 4. e3 Bg7 5. Nc3 Nc6 6. d4 cxd4 7. exd4 d5 8. Ne5 0-0 9. Be3 dxc4 10. Nxc6 bxc6 11. Bxc4 Nd5 12. Nxd5 cxd5 13. Bb3 Bf5 14. 0-0 e6 15. Bc2 Bxc2 16. Qxc2 Qb6 17. Qd2 Rab8 18. b3 Rfc8 19. Rac1 a5 20. Rc3 Rxc3 21. Qxc3 Qb4 22. Rc1 a4 23. bxa4 Qxc3 24. Rxc3 Ra8 25. f5 gxf5 26. a5 Bf8 27. Bf4 f6 28. Bc7 Ra6 29. a3 Kf7 30. Bb6 Bh6 31. Rc7+ Kg6 32. Ra7 Rxa7 33. Bxa7 Bd2 34. a6 Ba5 35. Bc5 1-0

[Event "4NCL Online op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.26"]
[Round "1"]
[White "Gordon, Sean1111"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2039"]
[PlyCount "105"]
[EventDate "2021.03.26"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bf4 Nd5 12. Bd2 e6 13. 0-0-0 Bd6 14. Ne4 Bc7 15. Kb1 Qe7 16. c4 N5f6 17. Nc3 0-0-0 18. Rhe1 Nb6 19. Ne5 Nbd7 20. Qh3 Nxe5 21. dxe5 Nd7 22. f4 Nb6 23. b3 Rd7 24. Ne4 Rhd8 25. c5 Nd5 26. Nd6+ Kb8 27. g4 b6 28. b4 Ka8 29. Rg1 Rb8 30. Ka1 bxc5 31. bxc5 Bxd6 32. cxd6 Rxd6 33. Qa3 Rd7 34. Qxe7 Rxe7 35. Rb1 Reb7 36. Rxb7 Rxb7 37. Rb1 Rxb1+ 38. Kxb1 Kb7 39. Kc2 Kb6 40. f5 Kb5 41. f6 gxf6 42. Bxh6 fxe5 43. Bc1 Nf6 44. h6 Nh7 45. Kd3 f6 46. Ba3 c5 47. Bc1 a5 48. Kc3 a4 49. Be3 c4 50. a3 Nf8 51. g5 fxg5 52. Bxg5 Kc5 53. Be7+ 1-0

[Event "4NCL Spring Online Major op 1st"]
[Site "Lichess.org INT"]
[Date "2021.03.16"]
[Round "4"]
[White "Sedykh, Stakhey"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1704"]
[BlackElo "1577"]
[PlyCount "138"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 Ne7 7. Ng3 Ng6 8. 0-0 c5 9. c3 c4 10. Qc2 Nc6 11. f4 Qd7 12. f5 Nge7 13. f6 Ng6 14. Nh5 Rg8 15. Qf2 Qc7 16. fxg7 Bxg7 17. Nxg7+ Rxg7 18. Bh6 Rg8 19. Na3 a6 20. Nc2 Nh8 21. Qf6 Qe7 22. Ne3 0-0-0 23. Qxe7 Nxe7 24. Rf6 Rg6 25. Rxg6 fxg6 26. Rf1 Nf5 27. Nxf5 exf5 28. Bg5 Re8 29. Kf2 Re6 30. Ke3 Nf7 31. Bf6 Nd6 32. Kf4 Ne4 33. Bg5 Kd7 34. g4 Rb6 35. gxf5 gxf5 36. Kxf5 Rxb2 37. e6+ Ke8 38. Rg1 Rxh2 39. Bf4 Rh5+ 40. Kg4 Nf6+ 41. Kf3 Ke7 42. Rg7+ Kxe6 43. Rxb7 Rh3+ 44. Ke2 Rxc3 45. Be5 Ne4 46. Rxh7 Rc2+ 47. Kd1 Rxa2 48. Rh8 Nf2+ 49. Kc1 c3 50. Rc8 Nd3+ 51. Kb1 Rb2+ 52. Ka1 c2 53. Rc6+ Kd7 54. Rc7+ Ke6 55. Bf4 Rb1+ 56. Ka2 c1Q 57. Bxc1 Rxc1 58. Ra7 Kf5 59. Rxa6 Nb4+ 60. Kb2 Nxa6 61. Kxc1 Ke4 62. Kc2 Kxd4 63. Kd2 Nb4 64. Kd1 Kc3 65. Kc1 d4 66. Kd1 Na2 67. Ke1 Kc2 68. Ke2 d3+ 69. Ke3 d2 0-1

[Event "4NCL Spring Online Major op 1st"]
[Site "Lichess.org INT"]
[Date "2021.03.02"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Li, Reya"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1577"]
[BlackElo "1462"]
[PlyCount "53"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. f4 exf4 3. Nf3 Nf6 4. d4 d5 5. c5 b6 6. cxb6 axb6 7. Bxf4 Bd6 8. Bxd6 Qxd6 9. Nc3 Bf5 10. e3 Nbd7 11. Bd3 Bxd3 12. Qxd3 0-0 13. 0-0 Rfe8 14. Rfe1 Ne4 15. Nb5 Qg6 16. Nxc7 Ndf6 17. Nxa8 Rxa8 18. Ne5 Qg5 19. Rf1 b5 20. a3 Rc8 21. Rac1 Rxc1 22. Rxc1 g6 23. Rf1 Kg7 24. Rf3 Qh4 25. Qe2 Nd6 26. Qf2 Qg5 27. h4 1-0

[Event "4NCL Spring Online Major op 1st"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "2"]
[White "Bingham, James T"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1740"]
[BlackElo "1577"]
[PlyCount "73"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 Nf6 3. Qd3 g6 4. e4 d5 5. e5 Ne4 6. c4 Bf5 7. Qb3 e6 8. Qxb7 Nd7 9. Qxc6 Qa5+ 10. Nbd2 Rb8 11. c5 Bg7 12. Qa6 Qxa6 13. Bxa6 Nxd2 14. Nxd2 0-0 15. 0-0 Rb4 16. Nf3 f6 17. b3 fxe5 18. Bd2 Rbb8 19. c6 Rb6 20. cxd7 Rxa6 21. Rfc1 Rd6 22. Bb4 Rxd7 23. Bxf8 Kxf8 24. Rc8+ Ke7 25. Nxe5 Bxe5 26. dxe5 d4 27. Rd1 d3 28. Rd2 g5 29. Rg8 g4 30. Rg7+ Kd8 31. Rxd7+ Kxd7 32. f4 gxf3 33. gxf3 Kc6 34. Kf2 Kd5 35. Ke3 Kxe5 36. Rg2 Kd5 37. Rg7 1-0

[Event "4NCL Spring Online Major op 1st"]
[Site "Lichess.org INT"]
[Date "2021.02.02"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Shah, Meeth"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1577"]
[BlackElo "1780"]
[PlyCount "66"]
[EventDate "2021.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. d3 Nf6 5. Nc3 Bc5 6. a3 a5 7. Nf3 0-0 8. 0-0 d6 9. Bd2 Qe8 10. Nb5 Qh5 11. Nxc7 f4 12. Nxa8 fxg3 13. e3 gxf2+ 14. Kxf2 Bg4 15. Nc7 e4 16. dxe4 Nxe4+ 17. Ke1 Ne5 18. Bc3 Nxf3+ 19. Bxf3 Bxf3 20. Qd5+ Qxd5 21. Nxd5 g5 22. Ne7+ Kf7 23. Rxf3+ Kxe7 24. Rxf8 Kxf8 25. Ke2 Ke7 26. Bxa5 Ke6 27. Rf1 h5 28. Rf8 d5 29. cxd5+ Kxd5 30. Bd8 Bxf8 31. b4 b5 32. Kd3 Bd6 33. h3 Nf2+ 0-1

[Event "Witney Online Congress U2000 1st"]
[Site "Lichess.org INT"]
[Date "2020.11.08"]
[Round "4"]
[White "Duke, Dillan"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1623"]
[BlackElo "1563"]
[PlyCount "170"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 h6 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Nd7 10. Re1 Ngf6 11. c4 Bb4 12. Bd2 Bxd2 13. Qxd2 0-0 14. Re2 Nb6 15. Qc3 Qc7 16. Rae1 Rad8 17. Ne4 Qe7 18. h3 Nbd7 19. b4 Nxe4 20. Rxe4 Nf6 21. R4e2 b5 22. Ne5 Qd6 23. Rd1 bxc4 24. Qxc4 Nd5 25. a3 Rc8 26. Rc2 Ne7 27. Qc5 Qxc5 28. dxc5 Nd5 29. Nc4 Rc7 30. Nd6 Rd8 31. Rc4 Rcd7 32. Rcd4 Nf6 33. Kf1 Kf8 34. Ke2 Ke7 35. Ke3 Nd5+ 36. Kd3 Nf6 37. Kc4 Nd5 38. a4 a6 39. R1d3 Rb8 40. Rb3 Nf6 41. b5 axb5+ 42. axb5 cxb5+ 43. Rxb5 Rxb5 44. Kxb5 Nd5 45. Rd3 Nc7+ 46. Kc6 Nd5 47. Ra3 Rc7+ 48. Kb5 Nf6 49. Ra8 Nd5 50. Nc8+ Kf6 51. Nb6 Nc3+ 52. Kc4 Ne4 53. Rc8 Nd6+ 54. Kb4 Nxc8 55. Nc4 Rb7+ 56. Kc3 Rb1 57. Kc2 Rg1 58. Nb6 Na7 59. Nd7+ Ke7 60. Ne5 Rxg2 61. c6 Rxf2+ 62. Kd3 Kd6 63. Nc4+ Kxc6 64. Ne5+ Kd5 65. Ng4 Rf3+ 66. Ke2 Rxh3 67. Nf2 Ra3 68. Nd1 Nb5 69. Ne3+ Ke4 70. Nd1 Ra2+ 71. Ke1 Kf3 72. Kf1 Ra1 73. Ke1 Nc3 74. Kd2 Rxd1+ 75. Kxc3 Re1 76. Kd2 Re3 77. Kc2 h5 78. Kd2 h4 79. Kc2 h3 80. Kd2 h2 81. Kc2 h1Q 82. Kd2 Qh2+ 83. Kd1 Qe2+ 84. Kc1 Rc3+ 85. Kb1 Qc2+ 0-1

[Event "Witney Online Congress U2000 1st"]
[Site "Lichess.org INT"]
[Date "2020.11.08"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Kennedy, Ben"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1563"]
[BlackElo "1870"]
[PlyCount "171"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 c5 2. e3 d6 3. Ne2 Nc6 4. Nbc3 Nf6 5. d4 cxd4 6. exd4 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Bg4 10. Be3 Rc8 11. h3 Bd7 12. b3 a6 13. d5 Nb8 14. Rc1 e6 15. dxe6 Bxe6 16. Bxb7 Bxh3 17. Re1 Ng4 18. Nf4 Nxe3 19. Rxe3 Rc7 20. Bd5 Bf5 21. Qe2 Nc6 22. Bxc6 Rxc6 23. Ncd5 Be5 24. Nd3 Bxd3 25. Qxd3 Kg7 26. Rce1 Qa5 27. Qe4 f5 28. Qh4 Qd8 29. Qe7+ Qxe7 30. Nxe7 Rc7 31. Nd5 Rcf7 32. Kg2 g5 33. f4 gxf4 34. Nxf4 Bxf4 35. gxf4 Rh8 36. Re6 Rf6 37. Re7+ Rf7 38. R7e6 Rd8 39. Rd1 Rfd7 40. Rd5 Kf7 41. Rh6 Kg7 42. Rh5 Re8 43. Rg5+ Kh6 44. Rdxf5 Rg7 45. Rf6+ Rg6 46. Rgxg6+ hxg6 47. Kf3 Rd8 48. Re6 Kg7 49. Ke4 a5 50. Kd5 a4 51. Rxd6 Rf8 52. Ke5 axb3 53. axb3 Rb8 54. Rd3 Re8+ 55. Kd4 Kf6 56. Re3 Rd8+ 57. Ke4 Re8+ 58. Kf3 Rb8 59. Kg4 Rh8 60. Rd3 Rh1 61. Kf3 Kf5 62. Rd5+ Ke6 63. Re5+ Kd6 64. c5+ Kc6 65. b4 Rh3+ 66. Kg4 Rb3 67. Re6+ Kd7 68. Rb6 Rb1 69. Kg5 Rg1+ 70. Kf6 Kc7 71. b5 Rg4 72. Rc6+ Kb7 73. Ke5 g5 74. f5 Rg1 75. Rg6 Re1+ 76. Kf6 Rc1 77. Rg7+ Kc8 78. c6 Rc5 79. Ke6 Rxb5 80. Kd6 Kb8 81. Rb7+ Rxb7 82. cxb7 Kxb7 83. f6 g4 84. f7 g3 85. f8Q g2 86. Qg7+ 1-0

[Event "Witney Online Congress U2000 1st"]
[Site "Lichess.org INT"]
[Date "2020.11.07"]
[Round "3"]
[White "Hertog, Alexander"]
[Black "Leeson, Chris"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1563"]
[BlackElo "1810"]
[PlyCount "56"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. Nf3 e6 4. g3 c6 5. Bg2 d5 6. cxd5 exd5 7. Nc3 Bd6 8. 0-0 0-0 9. Bd2 Qe7 10. Qc1 Nbd7 11. Bf4 Ne4 12. Bxd6 Qxd6 13. Re1 Rf6 14. Nh4 Nf8 15. Qc2 Ng6 16. Nxg6 Rxg6 17. e3 h5 18. Nxe4 fxe4 19. Qe2 Bg4 20. Qc2 Rf8 21. Rf1 h4 22. Qc5 Qd7 23. b4 Bf3 24. h3 hxg3 25. Bxf3 exf3 26. fxg3 Qxh3 27. Qxf8+ Kxf8 28. Rxf3+ Kg8 0-1

[Event "Witney Online Congress U2000 1st"]
[Site "Lichess.org INT"]
[Date "2020.11.07"]
[Round "1"]
[White "Hertog, Alexander"]
[Black "Pradhan, Abhishek"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1563"]
[BlackElo "1810"]
[PlyCount "136"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 e6 2. d4 f5 3. Nf3 Nf6 4. a3 Be7 5. Nc3 0-0 6. g3 d6 7. Bg2 Qe8 8. 0-0 Nbd7 9. Nb5 Bd8 10. Re1 Ne4 11. Nd2 Ndf6 12. Nxe4 fxe4 13. Nc3 d5 14. Bg5 c6 15. h3 Qg6 16. Qd2 Bc7 17. Rf1 Bd7 18. Na4 Rae8 19. Nc5 Bc8 20. Be3 Kh8 21. b4 b6 22. Na4 Bd7 23. Nb2 e5 24. dxe5 Bxe5 25. Bd4 Qh5 26. Bxe5 Rxe5 27. Qf4 Bxh3 28. f3 Bxg2 29. Kxg2 exf3+ 30. Qxf3 Rxe2+ 31. Rf2 Rxf2+ 32. Qxf2 Qh2+ 33. Kxh2 Ng4+ 34. Kh3 Nxf2+ 35. Kg2 Ne4 36. Kh3 d4 37. Re1 Ng5+ 38. Kg2 Kg8 39. Re5 h6 40. Re7 Rd8 41. Nd3 a5 42. Rb7 axb4 43. axb4 c5 44. Rxb6 cxb4 45. Rxb4 Ne6 46. c5 Rc8 47. Rc4 Kf8 48. Kf3 Ke7 49. Ke4 Kf6 50. Ne5 Ke7 51. c6 Rc7 52. Kd5 Nd8 53. Rxd4 Nxc6 54. Nxc6+ Kf6 55. Ne5 Ra7 56. Ke4 Re7 57. Rd6+ Kg5 58. Rg6+ Kh5 59. g4+ Kh4 60. Kf4 Ra7 61. Rc6 Ra4+ 62. Rc4 Rxc4+ 63. Nxc4 g5+ 64. Kf3 h5 65. gxh5 Kxh5 66. Ne3 Kg6 67. Ng4 Kf5 68. Kg3 Kg6 1/2-1/2

[Event "Witney Online Congress U2000 1st"]
[Site "Lichess.org INT"]
[Date "2020.11.07"]
[Round "2"]
[White "Rich, Ben S"]
[Black "Hertog, Alexander"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1990"]
[BlackElo "1563"]
[PlyCount "194"]
[EventDate "2020.11.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. a3 a6 2. c4 e6 3. b4 d5 4. e3 c5 5. Qb3 Nf6 6. Bb2 Be7 7. Nf3 dxc4 8. Bxc4 b5 9. Be2 c4 10. Qc2 Bb7 11. 0-0 Be4 12. Qc3 Bd3 13. Bxd3 Qxd3 14. Qxd3 cxd3 15. Ne5 0-0 16. Nxd3 Rd8 17. Ne5 Nfd7 18. f4 Nxe5 19. Bxe5 Nd7 20. Ra2 Nxe5 21. fxe5 a5 22. bxa5 Rxa5 23. d4 Rda8 24. Rc1 h6 25. Rb2 Bxa3 26. Nxa3 Rxa3 27. Kf2 Rb8 28. Rcb1 Ra5 29. Kf3 Kf8 30. e4 Ke7 31. d5 exd5 32. exd5 b4 33. Ke4 Ra4 34. Rb3 Rb5 35. Rc1 Raa5 36. Rd1 Ra7 37. g4 Ra2 38. h3 Re2+ 39. Kd4 Rc2 40. Rdd3 Rcc5 41. Ke4 Rc4+ 42. Rd4 Rc3 43. Rxc3 bxc3 44. Rc4 Rb3 45. Rc7+ Kd8 46. d6 c2 47. Rxc2 Rxh3 48. Rc7 Rg3 49. Kf4 Rg1 50. Kf5 Rf1+ 51. Ke4 Re1+ 52. Kf4 g5+ 53. Kf5 Rf1+ 54. Ke4 Rf4+ 55. Kd5 Rf1 56. Re7 Rd1+ 57. Ke4 Re1+ 58. Kd3 Rf1 59. Kc4 Rc1+ 60. Kd3 Rf1 61. Ke3 Rf4 62. Kd3 Kc8 63. Rc7+ Kd8 64. Rc4 Rf3+ 65. Ke4 Rf1 66. Kd5 Re1 67. Re4 Rd1+ 68. Kc6 Rc1+ 69. Kb5 Rb1+ 70. Rb4 Re1 71. Kc6 Rc1+ 72. Kd5 Rd1+ 73. Kc5 Rc1+ 74. Rc4 Re1 75. Kd5 Rd1+ 76. Kc6 Re1 77. Rc5 Rb1 78. Rb5 Rc1+ 79. Kd5 Rd1+ 80. Ke4 Re1+ 81. Kd4 Rd1+ 82. Ke3 Kd7 83. Rb7+ Ke8 84. Rb8+ Kd7 85. Rb7+ Ke8 86. Re7+ Kf8 87. Ke4 Rd2 88. Ke3 Rd1 89. Ke2 Rd4 90. Kf3 Rd1 91. Ke4 Rd2 92. Kf3 Rd1 93. Ke3 Rd5 94. Ke4 Rd1 95. Rc7 Ke8 96. Rb7 Rd2 97. Ke3 Rd1 1/2-1/2

[Event "Witney Online Rapid 1st"]
[Site "Lichess.org INT"]
[Date "2020.09.20"]
[Round "4"]
[White "Blair, Jimmy"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "76"]
[EventDate "2020.09.20"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nxc6 bxc6 8. 0-0 Nf6 9. e5 dxe5 10. Qxd8+ Kxd8 11. Bxf7 e6 12. Bg5 Ke7 13. Ne4 Kxf7 14. Nd6+ Ke7 15. Rad1 Rd8 16. Nxc8+ Raxc8 17. Rde1 Rd5 18. c4 Rc5 19. b3 Rd8 20. Be3 Ra5 21. a4 Kf7 22. h3 Bf8 23. f4 exf4 24. Bxf4 Bd6 25. Bg5 Rxg5 26. h4 Rf5 27. Rf3 Bc5+ 28. Kh2 Rxf3 29. gxf3 Rd2+ 30. Kh3 Rd3 31. Rb1 Rxf3+ 32. Kg2 Rf2+ 33. Kg3 Ne4+ 34. Kg4 h5+ 35. Kh3 Bd6 36. Rh1 a5 37. c5 Nxc5 38. Rd1 Rh2# 0-1

[Event "Witney Online Rapid 1st"]
[Site "Lichess.org INT"]
[Date "2020.09.20"]
[Round "5"]
[White "Hertog, Alexander"]
[Black "Cole, James"]
[Result "0-1"]
[ECO "D94"]
[BlackElo "1953"]
[PlyCount "108"]
[EventDate "2020.09.20"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. c4 c5 2. e3 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. d4 cxd4 6. exd4 d5 7. Be3 0-0 8. Be2 Nc6 9. h3 dxc4 10. Bxc4 Na5 11. Be2 Be6 12. 0-0 Rc8 13. Re1 Nd5 14. Nxd5 Bxd5 15. Rc1 Nc6 16. b3 b6 17. Bc4 e6 18. Bxd5 Qxd5 19. Qd2 Rcd8 20. Red1 Rd7 21. Bh6 Rfd8 22. Bxg7 Kxg7 23. Rc4 Ne7 24. Qg5 Qxg5 25. Nxg5 Rd5 26. Nf3 R8d7 27. Kh2 Nf5 28. Rd2 e5 29. g4 Nxd4 30. Nxe5 Rxe5 31. Rcxd4 Rxd4 32. Rxd4 Re2 33. Ra4 a5 34. Kg3 Rc2 35. b4 Rc4 36. Ra3 Rxb4 37. g5 a4 38. Re3 Rb2 39. Ra3 b5 40. f4 h6 41. gxh6+ Kxh6 42. Kf3 Kh5 43. Kg3 f5 44. h4 Rc2 45. Kh3 Rc1 46. Kg3 Ra1 47. Kh3 Rh1+ 48. Kg2 Rxh4 49. Rf3 g5 50. fxg5 Kxg5 51. Rc3 Rb4 52. Rg3+ Kf4 53. Rf3+ Kg5 54. Rg3+ Rg4 0-1

[Event "Witney Online Rapid 1st"]
[Site "Lichess.org INT"]
[Date "2020.09.20"]
[Round "2"]
[White "Hertog, Alexander"]
[Black "Guanqun, Gai"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "130"]
[EventDate "2020.09.20"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nc6 5. 0-0 e5 6. Nc3 Nge7 7. a3 0-0 8. Rb1 a5 9. e4 d6 10. d3 h6 11. Bd2 Kh7 12. h3 f5 13. Nb5 fxe4 14. dxe4 Nd4 15. Nfxd4 cxd4 16. b4 Be6 17. Rc1 Qd7 18. Kh2 Bxc4 19. Rxc4 Qxb5 20. Rc7 Rfe8 21. bxa5 Nc6 22. Qb1 Qxb1 23. Rxb1 Nxa5 24. Bxa5 Rxa5 25. Rbxb7 Rg8 26. Rd7 Rxa3 27. Rxd6 g5 28. Rd5 Kh8 29. Bf1 Rf8 30. Kg1 Raf3 31. Bg2 R3f7 32. Rxf7 Rxf7 33. Rd8+ Bf8 34. Bf1 Kg7 35. Bc4 Rc7 36. Bb5 Bb4 37. Rd7+ Rxd7 38. Bxd7 d3 39. Kf1 Kf6 40. Bb5 d2 41. Ke2 Ke6 42. f3 h5 43. Ba4 Kd6 44. Bd1 Kc5 45. Kd3 h4 46. gxh4 gxh4 47. Bc2 Ba5 48. Bd1 Kd6 49. Ke3 Ke6 50. f4 exf4+ 51. Kxf4 Kf6 52. Kg4 Ke5 53. Kxh4 Kxe4 54. Kg4 Ke3 55. h4 Kf2 56. h5 Ke1 57. Ba4 d1Q+ 58. Bxd1 Kxd1 59. h6 Bc3 60. h7 Ba1 61. Kg5 Bb2 62. Kg6 Ba1 63. Kf7 Bb2 64. Kg8 Ba1 65. h8Q Bxh8 1/2-1/2

[Event "Witney Online Rapid 1st"]
[Site "Lichess.org INT"]
[Date "2020.09.20"]
[Round "6"]
[White "Rich, Aaron"]
[Black "Hertog, Alexander"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "176"]
[EventDate "2020.09.20"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. b3 c5 2. e3 Nc6 3. Bb2 e6 4. Nf3 Nf6 5. Bb5 Be7 6. 0-0 a6 7. Bxc6 bxc6 8. Nc3 0-0 9. Ne2 h6 10. Ng3 d5 11. Rc1 Nd7 12. c4 Bf6 13. Bxf6 Qxf6 14. h3 Qd8 15. Ne2 Bb7 16. Nf4 Rc8 17. Re1 Qa5 18. Nd3 Rfe8 19. Qc2 e5 20. Nb2 e4 21. Nh4 Nf6 22. f3 exf3 23. Nxf3 Qb6 24. Na4 Qa7 25. Rf1 d4 26. Rce1 Ne4 27. Nh4 Ba8 28. Qd1 Qe7 29. Nf5 Qg5 30. d3 Ng3 31. Nxg3 Qxg3 32. Rf3 Qe5 33. e4 Rcd8 34. Ref1 Qe7 35. Rg3 Bb7 36. Qg4 g6 37. Qf4 Kg7 38. Nxc5 Rf8 39. Nxb7 Qxb7 40. Qf6+ Kh7 41. Rg4 Rde8 42. Rh4 Re6 43. Qg5 h5 44. Rf6 Qe7 45. Rhf4 Kg7 46. e5 Rxe5 47. Qg3 Re3 48. Qf2 Rxd3 49. Rxd4 Rxd4 50. Rxc6 Rd1+ 51. Kh2 Qe5+ 52. g3 Qe4 53. Qg2 Qxg2+ 54. Kxg2 Rd2+ 55. Kf3 Rxa2 56. c5 Ra3 57. Rb6 Rc8 58. c6 a5 59. Kf4 a4 60. b4 Rc3 61. b5 a3 62. Ra6 Rb3 63. Ra5 a2 64. Rxa2 Rxb5 65. Rc2 Rb6 66. c7 Rb7 67. g4 Rbxc7 68. Re2 hxg4 69. hxg4 Rc4+ 70. Kg3 Rd4 71. Rf2 Rcc4 72. Kh3 Rxg4 73. Rf3 Rh4+ 74. Kg3 Rcg4+ 75. Kf2 Rf4 76. Rxf4 Rxf4+ 77. Kg3 g5 78. Kh3 f5 79. Kg3 Rh4 80. Kg2 Kf6 81. Kg3 Ke5 82. Kg2 f4 83. Kf3 Kf5 84. Kg2 g4 85. Kf2 Rh3 86. Kg2 Ke4 87. Kg1 Kf3 88. Kf1 Rh1# 0-1

[Event "Witney Online Rapid 1st"]
[Site "Lichess.org INT"]
[Date "2020.09.20"]
[Round "3"]
[White "Webb, Andrew"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "61"]
[EventDate "2020.09.20"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. c3 Nbd7 6. Bd3 e5 7. 0-0 0-0 8. Re1 Nh5 9. Nf1 a5 10. Bg5 f6 11. Be3 Qe8 12. Qc2 Nb6 13. h3 Bh8 14. Rad1 f5 15. exf5 gxf5 16. Bh6 Rf6 17. Bg5 Rf7 18. dxe5 dxe5 19. Nxe5 Bxe5 20. f4 Qa4 21. b3 Bd4+ 22. cxd4 Qxd4+ 23. Ne3 Qg7 24. Bxf5 Bxf5 25. Nxf5 Qf8 26. Nh6+ Kh8 27. Nxf7+ Qxf7 28. Re7 Qg8 29. Qxc7 Nd5 30. Qe5+ Ng7 31. Rxd5 1-0

[Event "BCF-chT1 U18 1920 (4NCL) online"]
[Site "Lichess.org INT"]
[Date "2020.06.04"]
[Round "8.44"]
[White "Hertog, Alexander"]
[Black "Watson, Jacob"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1637"]
[BlackElo "1975"]
[PlyCount "40"]
[EventDate "2020.04.16"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Ojays II"]
[BlackTeam "KJCA Young Kestrels"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. c4 e5 2. Nc3 Nc6 3. d3 g6 4. Nf3 Bg7 5. g3 d6 6. Bg2 Nge7 7. 0-0 0-0 8. Bd2 h6 9. Qc1 Kh7 10. a3 f5 11. Rb1 Nd4 12. Nxd4 exd4 13. Nd5 c6 14. Nxe7 Qxe7 15. b4 Bd7 16. Re1 Rac8 17. b5 cxb5 18. cxb5 Rxc1 19. Rexc1 Be6 20. Bxb7 Qxb7 0-1

[Event "BCF-chT1 U18 1920 (4NCL) online"]
[Site "Lichess.org INT"]
[Date "2020.06.04"]
[Round "8.48"]
[White "Watson, Jacob"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1975"]
[BlackElo "1637"]
[PlyCount "109"]
[EventDate "2020.04.16"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "KJCA Young Kestrels"]
[BlackTeam "Ojays II"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nbd2 Nbd7 7. b3 e5 8. e4 exd4 9. Bb2 c5 10. Re1 Ne5 11. Nh4 Bg4 12. f3 Be6 13. f4 Nc6 14. f5 Bc8 15. Ndf3 Ne5 16. Nxe5 dxe5 17. Rf1 Rb8 18. Qe1 Ng4 19. Bc1 Nf6 20. h3 Qb6 21. Kh2 Bd7 22. g4 Bb5 23. Rf2 Qd8 24. g5 Nd7 25. a4 Bc6 26. Bf1 a6 27. a5 b6 28. axb6 Nxb6 29. Rxa6 Qc8 30. Ra7 Rb7 31. Rxb7 Qxb7 32. Bd3 Ra8 33. Bd2 Qc7 34. Ba5 Qb7 35. Bxb6 Qxb6 36. Bc4 Qb7 37. fxg6 hxg6 38. Bxf7+ Qxf7 39. Rxf7 Kxf7 40. Qf2+ Kg8 41. Nxg6 Ra7 42. Qe2 Rf7 43. Qc4 Bxe4 44. Nh4 Kf8 45. Qxc5+ Kg8 46. Kg3 Bb7 47. Qc4 Kf8 48. g6 Re7 49. Nf5 Rd7 50. Qb5 Rc7 51. Nxg7 Rc3+ 52. Kh4 Bc8 53. Qe8+ Kxg7 54. Qf7+ Kh8 55. Qh7# 1-0

[Event "BCF-chT1 U18 1920 (4NCL) online"]
[Site "Lichess.org INT"]
[Date "2020.05.28"]
[Round "7.18"]
[White "Hertog, Alexander"]
[Black "Soulier, Alfred"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1637"]
[BlackElo "1495"]
[PlyCount "76"]
[EventDate "2020.04.16"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Ojays II"]
[BlackTeam "King's College Junior"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. c4 Nf6 2. e3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. d4 c5 7. d5 Bg4 8. Nf3 Nbd7 9. a3 Qc7 10. 0-0 e6 11. dxe6 Bxe6 12. Nb5 Qb6 13. a4 Bxc4 14. Re1 d5 15. Ng5 h6 16. Nh3 Ne5 17. Nf4 Rad8 18. Nc3 d4 19. exd4 cxd4 20. Ne4 Nxe4 21. Bxe4 g5 22. Nh5 f5 23. Nxg7 Kxg7 24. Bxb7 Qxb7 25. Rxe5 Qc7 26. Qe1 Rd7 27. Qa5 Qxa5 28. Rxa5 Re7 29. Bd2 Re2 30. Rxa7+ Kg6 31. Bb4 Rb8 32. Bd6 Rbxb2 33. Rc7 Bd5 34. Bf8 Rxf2 35. Rg7+ Kh5 36. Rh7 Rg2+ 37. Kf1 Bc4+ 38. Ke1 Rg1# 0-1

[Event "BCF-chT1 U18 1920 (4NCL) online"]
[Site "Lichess.org INT"]
[Date "2020.05.28"]
[Round "7.14"]
[White "Soulier, Alfred"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1495"]
[BlackElo "1637"]
[PlyCount "111"]
[EventDate "2020.04.16"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "King's College Junior"]
[BlackTeam "Ojays II"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. Nf3 Bb4 5. e3 0-0 6. Bd3 Nc6 7. 0-0 h6 8. Bf4 Nh5 9. Be5 Nxe5 10. Nxe5 Nf6 11. Qe2 c5 12. a3 cxd4 13. axb4 dxc3 14. bxc3 Qc7 15. Nf3 Qxc3 16. Qd2 Qxd2 17. Nxd2 Bd7 18. c4 dxc4 19. Bxc4 Bc6 20. Rfd1 Rfd8 21. b5 Bd5 22. Bxd5 Rxd5 23. b6 a6 24. e4 Rd6 25. e5 Rxb6 26. exf6 gxf6 27. Rab1 Rxb1 28. Rxb1 b5 29. Kf1 Kf8 30. Ke2 Ke7 31. Kd3 Rd8+ 32. Kc3 Kd6 33. Rb4 Kc6 34. Rh4 a5 35. Rxh6 b4+ 36. Kc2 a4 37. Rxf6 b3+ 38. Kc3 b2 39. Kxb2 Rxd2+ 40. Ka3 Rd7 41. Kxa4 Kd6 42. Kb4 Ke7 43. Rf3 Kf8 44. Kc4 Kg7 45. Rd3 Rc7+ 46. Kd4 Rd7+ 47. Ke4 f5+ 48. Ke3 f4+ 49. Ke4 Rxd3 50. Kxd3 Kg6 51. Ke4 Kg5 52. Ke5 Kg4 53. Kxe6 f3 54. gxf3+ Kxf3 55. Kf5 Kxf2 56. h4 1-0

[Event "BCF-chT1 U18 1920 (4NCL) online"]
[Site "Lichess.org INT"]
[Date "2020.05.21"]
[Round "6.68"]
[White "Farley, Zak"]
[Black "Hertog, Alexander"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1735"]
[BlackElo "1637"]
[PlyCount "85"]
[EventDate "2020.04.16"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Hull and Friends"]
[BlackTeam "Ojays II"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. h4 f5 9. Qd2 f4 10. Bf2 Rf7 11. h5 g5 12. 0-0-0 a5 13. Kb1 Bf8 14. Bd3 Rg7 15. Nge2 h6 16. g3 c6 17. gxf4 exf4 18. Nd4 cxd5 19. exd5 Qf6 20. Ne4 Qf7 21. Rdg1 Nc7 22. Nc3 Nba6 23. a3 Nc5 24. Bc2 Rb8 25. Ne4 Nxe4 26. Bxe4 Bd7 27. Qxa5 Na6 28. Ne6 Bxe6 29. dxe6 Qe7 30. Bd4 Nc5 31. Bxg7 Bxg7 32. Bd5 Kh8 33. Qd2 b5 34. Rg2 bxc4 35. Qa5 Qf6 36. Rhh2 Nd3 37. Qc7 Rxb2+ 38. Rxb2 Nxb2 39. e7 Qf5+ 40. Ka2 Qxd5 41. e8Q+ Kh7 42. Qg6+ Kh8 43. Qcxg7# 1-0

