[Event "4NCL Online U1700 op 14th"]
[Site "Lichess.org INT"]
[Date "2022.02.20"]
[Round "4"]
[White "O'Sullivan, Christopher"]
[Black "Aydin, Boran"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1566"]
[BlackElo "1491"]
[PlyCount "80"]
[EventDate "2022.02.18"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 Bc5 6. h3 d6 7. Be3 Bxe3 8. fxe3 Qe7 9. Nd5 Nxd5 10. Bxd5 Be6 11. Qd2 a5 12. a3 Bxd5 13. exd5 Nb8 14. 0-0 0-0 15. b4 a4 16. e4 f5 17. c4 f4 18. d4 Nd7 19. Qd3 Nf6 20. dxe5 dxe5 21. c5 Rfe8 22. Nd2 Nh5 23. Qb5 c6 24. dxc6 bxc6 25. Qxc6 Red8 26. Nc4 Ng3 27. Rfd1 Ne2+ 28. Kf2 Nd4 29. Qg6 Qh4+ 30. Kf1 f3 31. gxf3 Nxf3 32. Qe6+ Kh8 33. Nxe5 Nxe5 34. Qxe5 Qxh3+ 35. Ke2 Qg4+ 36. Ke1 Rf8 37. Qd5 Qg3+ 38. Ke2 Rf2+ 39. Ke1 Rh2+ 40. Kf1 Qf2# 0-1

[Event "4NCL Online U1700 op 14th"]
[Site "Lichess.org INT"]
[Date "2022.02.20"]
[Round "5"]
[White "Pitts, Daniel"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1342"]
[BlackElo "1566"]
[PlyCount "138"]
[EventDate "2022.02.18"]
[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 Bg4 6. f3 Bf5 7. Bf4 a6 8. Bd3 Bxd3 9. Qxd3 e6 10. Nge2 Nc6 11. 0-0 Nb4 12. Qd2 dxc4 13. Na4 Nbd5 14. Bg3 b5 15. Nac3 Bd6 16. Nxd5 Nxd5 17. Bf2 Qc7 18. Ng3 Bf4 19. Qe2 0-0 20. Rfd1 Rfc8 21. Ne4 Bxh2+ 22. Kf1 Bd6 23. Rdc1 Nf4 24. Qe3 Qe7 25. a4 Nd5 26. Qe2 f5 27. Nxd6 Qxd6 28. g3 Rab8 29. Re1 Re8 30. Ra3 b4 31. Raa1 c3 32. bxc3 bxc3 33. Rec1 Rb2 34. Qe5 Qxe5 35. dxe5 Rc8 36. Bd4 Rd2 37. Bf2 Nb4 38. Be1 Rd3 39. Ke2 Rd5 40. Bxc3 Nd3 41. Rc2 Nxe5 42. Raa2 Rdc5 43. Kd2 Nxf3+ 44. Kd3 Ng5 45. Bd2 Ne4 46. Be3 Rxc2 47. Rxc2 Rxc2 48. Kxc2 Nxg3 49. Kb3 Nf1 50. Bf4 h6 51. Kb4 g5 52. Bd6 Ne3 53. Bc5 f4 54. Ka5 g4 55. Kxa6 g3 56. Kb5 g2 57. a5 g1Q 58. a6 Qb1+ 59. Kc6 Qe4+ 60. Kc7 Qa8 61. Kb6 h5 62. Kb5 h4 63. Bd6 Qd5+ 64. Bc5 h3 65. a7 h2 66. Kb6 Nc4+ 67. Kb5 h1Q 68. Ka6 Qc6+ 69. Bb6 Qxb6# 0-1

[Event "4NCL Online U1700 op 14th"]
[Site "Lichess.org INT"]
[Date "2022.02.19"]
[Round "3"]
[White "O'Sullivan, Christopher"]
[Black "Lynn, Angelo"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1566"]
[BlackElo "1261"]
[PlyCount "103"]
[EventDate "2022.02.18"]
[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. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bg5 b6 6. cxd5 exd5 7. e3 Bb7 8. Qa4+ c6 9. Bd3 Nbd7 10. Bxf6 Bxf6 11. b4 0-0 12. Qc2 h6 13. 0-0 Re8 14. a4 Rc8 15. Qe2 Qe7 16. Qb2 Rb8 17. Rfb1 c5 18. b5 Rec8 19. Ne2 Qd8 20. Bf5 Rc7 21. a5 Bc8 22. a6 Nf8 23. Bxc8 Rbxc8 24. Rc1 Nd7 25. Nf4 Nf8 26. Qb3 cxd4 27. Rxc7 Qxc7 28. Rd1 dxe3 29. fxe3 d4 30. Nd5 Qd6 31. Nxf6+ Qxf6 32. Nxd4 Re8 33. Nc6 Ne6 34. Nxa7 Nc5 35. Qa3 Qe7 36. Nc6 Qh4 37. a7 Ne4 38. Rf1 Ra8 39. Qb4 Qg4 40. Qc4 Qe6 41. Qxe6 fxe6 42. Rc1 Nd6 43. Rb1 Nc8 44. Rd1 Nxa7 45. Ra1 Rf8 46. Rxa7 Rf5 47. Nd4 Re5 48. Kf2 g5 49. Rb7 Rc5 50. Rxb6 e5 51. Nf5 Rc2+ 52. Kg3 1-0

[Event "4NCL Online U1700 op 14th"]
[Site "Lichess.org INT"]
[Date "2022.02.19"]
[Round "2"]
[White "Peach, Clifford B"]
[Black "O'Sullivan, Christopher"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1341"]
[BlackElo "1566"]
[PlyCount "67"]
[EventDate "2022.02.18"]
[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 f5 2. f4 Nf6 3. e3 e6 4. Be2 d6 5. Bf3 d5 6. g3 c5 7. c3 Qb6 8. Nd2 cxd4 9. exd4 Bd7 10. Qb3 Qxb3 11. axb3 Ne4 12. Nxe4 fxe4 13. Be2 b5 14. b4 Be7 15. Be3 0-0 16. h4 Bc6 17. Bg4 Bd7 18. Be2 Bd8 19. Kd2 a6 20. Bg4 Nc6 21. Nh3 a5 22. bxa5 Rxa5 23. b4 Rxa1 24. Rxa1 Be7 25. Nf2 Rb8 26. Be2 Rb7 27. Bg4 Ra7 28. Rxa7 Nxa7 29. Be2 Nc8 30. Ng4 Nd6 31. Ne5 Be8 32. Bg4 Nf5 33. Bxf5 exf5 34. Ke2 1/2-1/2

[Event "4NCL Online U1700 op 14th"]
[Site "Lichess.org INT"]
[Date "2022.02.18"]
[Round "1"]
[White "Richards, Maurice A"]
[Black "O'Sullivan, Christopher"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1408"]
[BlackElo "1566"]
[PlyCount "109"]
[EventDate "2022.02.18"]
[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 c6 2. g3 d5 3. Bg2 Nf6 4. 0-0 Bg4 5. d3 e6 6. h3 Bh5 7. Nbd2 Nbd7 8. g4 Bg6 9. Nh4 Qc7 10. Ndf3 Bd6 11. Bg5 Bf4 12. Bxf4 Qxf4 13. Qd2 Qxd2 14. Nxd2 e5 15. f4 exf4 16. Rxf4 h6 17. Nxg6 fxg6 18. Raf1 0-0-0 19. e4 Ne5 20. exd5 cxd5 21. Nf3 Nxf3+ 22. R4xf3 Rhe8 23. R3f2 Re3 24. Rf3 Re2 25. R3f2 Rde8 26. Bf3 Re1 27. Rxe1 Rxe1+ 28. Rf1 Rxf1+ 29. Kxf1 g5 30. Ke2 Kc7 31. c4 dxc4 32. dxc4 b6 33. Ke3 Kd6 34. Kd4 g6 35. b4 h5 36. a4 hxg4 37. Bxg4 Ne8 38. c5+ bxc5+ 39. bxc5+ Kc6 40. Bf3+ Kc7 41. Ke5 Kd7 42. c6+ Ke7 43. Bg4 Kd8 44. Ke6 Kc7 45. Bf3 Kd8 46. Kf7 Nd6+ 47. Kxg6 Nc4 48. Kxg5 a5 49. h4 Ne5 50. Be4 Nf7+ 51. Kf6 Nd6 52. Bd3 Kc7 53. h5 Ne8+ 54. Kf7 Nd6+ 55. Kf8 1-0

[Event "4NCL Online Congress 8th Sub 1700"]
[Site "lichess.org"]
[Date "2021.05.23"]
[Round "4"]
[White "O'Sullivan, Christopher"]
[Black "Bamford, Paul"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1562"]
[BlackElo "1548"]
[PlyCount "33"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. c3 Nc6 4. e3 Bf5 5. Nf3 Qb6 6. Qb3 Qxb3 7. axb3 e6 8. Bb5 Nf6 9. Ne5 Rc8 10. Rxa7 Nd7 11. Bxc6 bxc6 12. Nxd7 Bxb1 13. Nxf8 Kxf8 14. Bd6+ Kg8 15. Bxc5 h5 16. Kd2 Bf5 17. Rha1 1-0

[Event "4NCL Online Congress 8th Sub 1700"]
[Site "lichess.org"]
[Date "2021.05.22"]
[Round "3"]
[White "Liu, Jacob"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "976"]
[BlackElo "1562"]
[PlyCount "43"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Neg5 h6 9. Nh3 Bd6 10. Bf4 Qe7 11. Ne5 Bxe5 12. dxe5 Nd5 13. Bg3 0-0-0 14. c4 Nb4 15. Be2 Nc5 16. Qb1 Rd2 17. Bd1 Be4 18. Qc1 Rhd8 19. Bf4 R2d7 20. a3 Nbd3 21. Qe3 Nxb2 22. f3 0-1

[Event "4NCL Online Congress 8th Sub 1700"]
[Site "lichess.org"]
[Date "2021.05.22"]
[Round "2"]
[White "O'Sullivan, Christopher"]
[Black "Zhao, George"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1562"]
[BlackElo "1135"]
[PlyCount "118"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. 0-0 Ng6 8. Be3 Be7 9. Nbd2 0-0 10. Bd3 cxd4 11. cxd4 Rc8 12. Bxg6 fxg6 13. Nb3 b6 14. a3 Nb8 15. Qe2 Ba4 16. Qd3 Nc6 17. Rac1 Bxb3 18. Qxb3 Na5 19. Qb5 Nc4 20. Nd2 Nxe3 21. fxe3 Bg5 22. Qd3 Qe7 23. Nf3 Rcd8 24. Nxg5 Qxg5 25. Rxf8+ Rxf8 26. Rc7 Ra8 27. Qc3 h6 28. Rc8+ Rxc8 29. Qxc8+ Kh7 30. Qc3 Qf5 31. h3 b5 32. b3 a6 33. a4 Qb1+ 34. Kh2 bxa4 35. bxa4 Qa2 36. a5 Qc4 37. Qe1 Qd3 38. Kg3 h5 39. h4 Qf5 40. Kh2 Qe4 41. Qg3 Qd3 42. Qe1 Qf5 43. Qg3 Qb1 44. Qf2 Qb4 45. Qa2 Qc3 46. Qe2 Qxa5 47. e4 dxe4 48. Qxe4 Qb5 49. Kh3 a5 50. g4 Qf1+ 51. Kh2 Qf2+ 52. Kh3 hxg4+ 53. Kxg4 Qf5+ 54. Qxf5 gxf5+ 55. Kf4 a4 56. d5 exd5 57. e6 Kg8 58. Kxf5 Kf8 59. Kg6 a3 0-1

[Event "4NCL Online Congress 8th Sub 1700"]
[Site "lichess.org"]
[Date "2021.05.21"]
[Round "1"]
[White "Russo, Giovanni1"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1386"]
[BlackElo "1562"]
[PlyCount "64"]
[EventDate "2021.05.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 e6 6. Nf3 h6 7. Ng3 Bxd3 8. Qxd3 Nf6 9. Be3 Nd5 10. 0-0 Nd7 11. c4 Nxe3 12. fxe3 Bd6 13. Ne4 Bc7 14. Qa3 Qe7 15. Qxe7+ Kxe7 16. Rad1 Nb6 17. b3 Rhd8 18. Rf2 Nd7 19. Rdf1 f5 20. Ned2 Nf6 21. Nh4 Ng4 22. Rf3 Nxh2 23. Kh1 Nxf1 24. Nxf1 g5 25. Ng6+ Kf6 26. Ne5 Bxe5 27. dxe5+ Kxe5 28. Rh3 Rd1 29. Kg1 Rh8 30. Kf2 Ra1 31. a4 Ra2+ 32. Nd2 Rxd2+ 0-1

[Event "4NCL Spring Online U1700 op 1st"]
[Site "Lichess.org INT"]
[Date "2021.04.27"]
[Round "7"]
[White "Mottram, Paul"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1480"]
[BlackElo "1579"]
[PlyCount "98"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. h4 h5 11. Nh3 Bd6 12. Be2 Bf5 13. 0-0-0 a5 14. f3 Bg3 15. e4 Be6 16. exd5 cxd5 17. Bb5+ Ke7 18. Ng1 Nc6 19. Nge2 Rhg8 20. Nxg3 Rxg3 21. Rhg1 Rag8 22. Ne2 Rxg2 23. Rxg2 Rxg2 24. Nf4 Rh2 25. Nxh5 Rxh4 26. Bxc6 bxc6 27. Ng7 Bd7 28. Kc2 Kf8 29. Rg1 Rh7 30. Kc3 Rxg7 31. Rf1 Rg3 32. Kd2 Rg2+ 33. Kc3 Bf5 34. f4 Rg3+ 35. Kd2 Be4 36. Rf2 Rd3+ 37. Ke2 Rxd4 38. Ke3 Rd3+ 39. Ke2 Rg3 40. Kd2 Rg2 41. Rxg2 Bxg2 42. Kd3 c5 43. b3 Ke7 44. a3 Ke6 45. Kc3 Kf5 46. b4 cxb4+ 47. axb4 axb4+ 48. Kxb4 Kxf4 49. Kc3 Ke3 0-1

[Event "4NCL Online Congress 7th Sub 1700"]
[Site "lichess.org"]
[Date "2021.04.25"]
[Round "4"]
[White "Kumar, Satyam"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1378"]
[BlackElo "1566"]
[PlyCount "88"]
[EventDate "2021.04.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 Nf6 6. Nf3 e6 7. Bd3 Bg4 8. Bf4 Bd6 9. Bg5 Nbd7 10. Be2 h6 11. Bh4 Be7 12. Qd3 Bf5 13. Qd2 Ne4 14. Nxe4 Bxe4 15. Bxe7 Qxe7 16. Qe3 Bxc2 17. Bd3 Qb4+ 18. Qd2 Qxd2+ 19. Kxd2 Bxd3 20. Kxd3 0-0 21. Rhe1 Rac8 22. Rac1 Rc7 23. Ne5 Rd8 24. Nf3 Kf8 25. Rc3 b6 26. Rec1 Rdc8 27. Ke4 Ke7 28. Ne5 Nxe5 29. dxe5 c5 30. b4 c4 31. f4 b5 32. g4 Rd7 33. R1c2 Rcd8 34. Ke3 Rd3+ 35. Rxd3 Rxd3+ 36. Ke4 g6 37. a4 a6 38. axb5 axb5 39. f5 gxf5+ 40. gxf5 exf5+ 41. Kxf5 Rf3+ 42. Kg4 Rb3 43. Ra2 Rxb4 44. Ra6 c3+ 0-1

[Event "4NCL Online Congress 7th Sub 1700"]
[Site "lichess.org"]
[Date "2021.04.25"]
[Round "5"]
[White "O'Sullivan, Christopher"]
[Black "Constable, Christine F"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1566"]
[BlackElo "1432"]
[PlyCount "83"]
[EventDate "2021.04.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 Nbd7 8. h3 b6 9. g4 Nc5 10. Qc2 Bd7 11. g5 Ne8 12. h4 f5 13. gxf6 Nxf6 14. h5 Nxh5 15. Bxh5 gxh5 16. Rxh5 Qe8 17. Rh2 Qg6 18. 0-0-0 a5 19. Nh3 a4 20. Rg1 Qf6 21. Ng5 h6 22. Ne6 Nxe6 23. dxe6 Bxe6 24. Bxh6 Rf7 25. Qe2 Kf8 26. Bxg7+ Rxg7 27. Rxg7 Qf4+ 28. Kc2 Kxg7 29. Rg2+ Kf6 30. Qh5 Rg8 31. Rxg8 Bxg8 32. Qh8+ Kf7 33. Nd5 Qxe4+ 34. Kc3 Qd4+ 35. Kb4 Qxb2+ 36. Kxa4 Qxa2+ 37. Kb4 Qb2+ 38. Ka4 Qa2+ 39. Kb4 Qa5+ 40. Kb3 b5 41. Qf6+ Ke8 42. Qe7# 1-0

[Event "4NCL Online Congress 7th Sub 1700"]
[Site "lichess.org"]
[Date "2021.04.24"]
[Round "2"]
[White "Maton, James J"]
[Black "O'Sullivan, Christopher"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1446"]
[BlackElo "1566"]
[PlyCount "135"]
[EventDate "2021.04.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Nbd7 7. Nbd2 Be7 8. Nh4 Bg6 9. Nxg6 hxg6 10. Qc2 c5 11. cxd5 exd5 12. dxc5 Bxc5 13. Qb3 Nb6 14. Qb5+ Nfd7 15. Nb3 a6 16. Qd3 Ne5 17. Qc3 Bd6 18. Bf4 Rc8 19. Qe3 f6 20. Nd4 Nbc4 21. Qb3 Qb6 22. Bxd5 Qxb3 23. axb3 g5 24. Bxe5 Nxe5 25. Bxb7 Rc7 26. Rxa6 Kd7 27. Rxd6+ Kxd6 28. Nb5+ Kc5 29. Nxc7 Kb6 30. Ne6 Kxb7 31. Nxg7 Ng4 32. f3 Ne3 33. Rc1 Rd8 34. Kf2 Nd1+ 35. Ke1 Nxb2 36. Rb1 Rd7 37. Ne6 Re7 38. Nc5+ Kc6 39. Ne4 f5 40. Nxg5 Nd3+ 41. Kf1 Nc5 42. Kf2 Kb5 43. Nh3 Kb4 44. Nf4 Rd7 45. h4 Nxb3 46. h5 Kc3 47. g4 fxg4 48. fxg4 Rf7 49. Kg3 Nd2 50. Rh1 Ne4+ 51. Kf3 Ng5+ 52. Ke3 Re7+ 53. Kf2 Ne4+ 54. Kg2 Kd2 55. h6 Ng5 56. Nh3 Rxe2+ 57. Kg3 Re3+ 58. Kh4 Nh7 59. g5 Re4+ 60. Kh5 Re5 61. Kg6 Nf8+ 62. Kf6 Re3 63. g6 Rf3+ 64. Kg7 Ne6+ 65. Kg8 Rf8+ 66. Kh7 Re8 67. g7 Re7 68. Kg8 1-0

[Event "4NCL Online Congress 7th Sub 1700"]
[Site "lichess.org"]
[Date "2021.04.23"]
[Round "1"]
[White "O'Sullivan, Christopher"]
[Black "Rao, Shree"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1566"]
[BlackElo "1466"]
[PlyCount "50"]
[EventDate "2021.04.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Nxd2 Nf6 5. e3 b6 6. Be2 Bb7 7. Bf3 d5 8. b4 Ne4 9. Bxe4 dxe4 10. Ne2 0-0 11. 0-0 f5 12. Nf4 Qf6 13. Qb3 g5 14. Nh5 Qg6 15. Ng3 f4 16. Ne2 f3 17. Nc3 fxg2 18. Kxg2 Qf5 19. Qd1 g4 20. Qe2 Rf6 21. Kh1 e5 22. d5 Rh6 23. Rg1 Rxh2+ 24. Kxh2 Qh5+ 25. Kg2 Qh3# 0-1

[Event "4NCL Spring Online U1700 op 1st"]
[Site "Lichess.org INT"]
[Date "2021.04.13"]
[Round "6"]
[White "O'Sullivan, Christopher"]
[Black "Vernon, Colin G"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1579"]
[BlackElo "1386"]
[PlyCount "100"]
[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 d5 2. Bf4 Nf6 3. e3 c6 4. Nf3 Qb6 5. b3 Nh5 6. Bg3 Nxg3 7. hxg3 Bf5 8. Nh4 Bd7 9. Bd3 Na6 10. c3 g6 11. Nf3 Bg7 12. Qe2 Nc7 13. Ne5 Bxe5 14. dxe5 0-0-0 15. Nd2 Kb8 16. Nf3 Bg4 17. Qd2 h5 18. b4 Ne6 19. Nd4 c5 20. Nxe6 Bxe6 21. a3 c4 22. Bc2 Qc7 23. Qd4 Qd7 24. a4 Bf5 25. Qd2 Bxc2 26. Qxc2 Qe6 27. f4 f6 28. 0-0-0 fxe5 29. Rhe1 Qg4 30. Qf2 Rhf8 31. Qf3 Qd7 32. Kd2 Qxa4 33. Ra1 Qd7 34. Ke2 e4 35. Qf2 Qg4+ 36. Kf1 e5 37. Ra5 g5 38. Rea1 a6 39. Qa2 Qxg3 40. Rxa6 bxa6 41. Qxa6 Qxe3 42. Qa8+ Kc7 43. Ra7+ Kd6 44. Ra6+ Ke7 45. Qc6 Qxf4+ 46. Kg1 Qf2+ 47. Kh2 Rf6 48. Qc7+ Rd7 49. Qxe5+ Kf7 50. Ra8 Qf4+ 0-1

[Event "4NCL Spring Online Intermed op 1st"]
[Site "Lichess.org INT"]
[Date "2021.03.30"]
[Round "5"]
[White "Patel, Zain"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1444"]
[BlackElo "1579"]
[PlyCount "126"]
[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 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Bf4 a6 6. e3 e6 7. Nf3 Qb6 8. Qd2 Nf6 9. Bd3 Nh5 10. Bg3 Nb4 11. 0-0 Nxg3 12. hxg3 Nxd3 13. Qxd3 Qxb2 14. e4 Bb4 15. Na4 Qa3 16. Qxa3 Bxa3 17. exd5 b5 18. Nb6 Rb8 19. Nxc8 Rxc8 20. Rfe1 Kd7 21. Ne5+ Ke7 22. dxe6 fxe6 23. d5 Bd6 24. dxe6 Bxe5 25. Rxe5 Rc2 26. a4 Rb8 27. axb5 Rxb5 28. Rxb5 axb5 29. Rb1 Rc5 30. Re1 b4 31. f4 b3 32. Rb1 Rc3 33. Kf2 Kxe6 34. g4 Rc2+ 35. Kg3 b2 36. Kf3 h6 37. Ke4 Rxg2 38. Kf3 Rc2 39. Ke4 g6 40. f5+ gxf5+ 41. gxf5+ Kf6 42. Kf4 h5 43. Kg3 Kxf5 44. Kh4 Kg6 45. Rg1+ Kh6 46. Rb1 Kg6 47. Rg1+ Kf5 48. Rb1 Ke4 49. Kg3 Kd3 50. Kf3 Kc3 51. Ke3 Rc1 52. Rxb2 Kxb2 53. Kf3 Rg1 54. Kf2 Rg8 55. Kf3 h4 56. Kf2 h3 57. Kf3 h2 58. Kf2 h1Q 59. Ke3 Qh4 60. Ke2 Rg2+ 61. Kf3 Rg3+ 62. Kf2 Qh2+ 63. Kf1 Rg1# 0-1

[Event "4NCL Online U1700 op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.28"]
[Round "4"]
[White "Hylands, Keith"]
[Black "O'Sullivan, Christopher"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1399"]
[BlackElo "1579"]
[PlyCount "88"]
[EventDate "2021.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 d6 7. Nc3 Nh5 8. Bg3 Nxg3 9. hxg3 e6 10. Nh2 Nd7 11. b4 Nf6 12. Rb1 Bd7 13. Bc4 d5 14. Bd3 Qe7 15. a3 b6 16. f3 a5 17. Qd2 axb4 18. axb4 Ra7 19. Nb5 Bxb5 20. Bxb5 Qd6 21. Qf2 c6 22. Bd3 Rfa8 23. f4 Ne4 24. Bxe4 dxe4 25. g4 Ra2 26. Rfc1 R8a4 27. Qe1 Bf8 28. c3 b5 29. Qd1 Qd5 30. Qb3 Re2 31. Qxd5 exd5 32. Re1 Rxe1+ 33. Rxe1 Ra2 34. Rc1 h6 35. Kf1 Kf7 36. Kg1 Ke6 37. gxf5+ gxf5 38. Nf1 h5 39. Kh2 Be7 40. Kh3 Kf6 41. Ng3 Kg6 42. Nf1 Bf6 43. Ng3 Be7 44. Nf1 Bf6 1/2-1/2

[Event "4NCL Online U1700 op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.28"]
[Round "5"]
[White "O'Sullivan, Christopher"]
[Black "Gao, Alex"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1579"]
[BlackElo "901"]
[PlyCount "84"]
[EventDate "2021.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. c3 Nf6 4. e3 Nc6 5. Nf3 e6 6. Nbd2 Qb6 7. Qb3 Qxb3 8. axb3 Be7 9. Bb5 Bd7 10. 0-0 0-0 11. h3 a6 12. Bd3 b5 13. Ne5 c4 14. Bc2 Rfd8 15. Nxc6 Bxc6 16. b4 Nh5 17. Bc7 Rd7 18. Bb6 Rb7 19. Bc5 Bxc5 20. dxc5 e5 21. Nf3 e4 22. Ne5 Rc7 23. Bd1 g6 24. Bxh5 gxh5 25. Nxc6 Rxc6 26. Rfd1 Rd8 27. Rd4 Kg7 28. Rad1 Kf6 29. Rxd5 Rxd5 30. Rxd5 Rc7 31. Rxh5 Rd7 32. Rh6+ Kg7 33. Rxa6 Rd1+ 34. Kh2 Rd2 35. c6 Rd8 36. c7 Rc8 37. Rc6 f6 38. Rc5 Kf7 39. Kg3 Ke6 40. Kf4 Kd6 41. Kf5 Rxc7 42. Rxc7 Kxc7 1-0

[Event "4NCL Online U1700 op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.27"]
[Round "3"]
[White "O'Sullivan, Christopher"]
[Black "Barry, Suzanne"]
[Result "1/2-1/2"]
[ECO "A60"]
[WhiteElo "1579"]
[BlackElo "1374"]
[PlyCount "36"]
[EventDate "2021.03.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 g6 5. e4 Bg7 6. Bg5 Qb6 7. Qb3 0-0 8. Be2 d6 9. h4 e5 10. h5 Na6 11. hxg6 fxg6 12. Nh3 Qxb3 13. axb3 Nb4 14. 0-0-0 Ng4 15. f3 Nf6 16. g4 a5 17. Kd2 Bd7 18. Ra1 b6 1/2-1/2

[Event "4NCL Online U1700 op 6th"]
[Site "Lichess.org INT"]
[Date "2021.03.27"]
[Round "2"]
[White "Swamy, Anshul"]
[Black "O'Sullivan, Christopher"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1375"]
[BlackElo "1579"]
[PlyCount "113"]
[EventDate "2021.03.26"]
[EventType "swiss"]
[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. Bd2 c5 6. c3 Nc6 7. Be3 Qb6 8. Qb3 c4 9. Qxb6 axb6 10. a3 Be7 11. Be2 Nh6 12. h3 Bg6 13. g4 f5 14. exf6 Bxf6 15. g5 Nf5 16. gxf6 Nxe3 17. fxg7 Nc2+ 18. Kd1 Rg8 19. Ra2 N2b4 20. cxb4 Bxb1 21. Ra1 Bg6 22. Rg1 Rxg7 23. b5 Na7 24. h4 Re7 25. h5 Bf7 26. Rg7 0-0-0 27. Ne5 Rf8 28. Rxh7 Nxb5 29. Ng6 Ree8 30. Nxf8 Rxf8 31. h6 Nxd4 32. a4 Be8 33. Re7 Bg6 34. h7 Rh8 35. Rg7 Bxh7 36. Ra3 Bc2+ 37. Kd2 Bb3 38. a5 bxa5 39. Rxa5 Kb8 40. Bg4 Bc2 41. Kc3 Nc6 42. Rb5 Nd8 43. Kxc2 Rh2 44. Kc3 Rxf2 45. Re7 Rf6 46. Rb6 Rg6 47. Bxe6 Ka7 48. Rd6 Rg3+ 49. Kd2 Rg2+ 50. Kc1 Rg1+ 51. Kd2 Rg2+ 52. Kc3 Rg3+ 53. Kc2 Rg2+ 54. Kd1 Rxb2 55. Rxd8 c3 56. Rc7 d4 57. Rxd4 1-0

[Event "4NCL Spring Online Intermed op 1st"]
[Site "Lichess.org INT"]
[Date "2021.03.16"]
[Round "4"]
[White "O'Sullivan, Christopher"]
[Black "Sandhu, Sandeep"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1579"]
[BlackElo "1473"]
[PlyCount "145"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be2 c5 7. d5 Nbd7 8. Nf3 Ne8 9. g4 Ne5 10. Bg5 f6 11. Bh4 g5 12. Bg3 Qb6 13. Qb3 Nc7 14. Rb1 Na6 15. Qxb6 axb6 16. a3 Bd7 17. Nxe5 fxe5 18. h4 h6 19. hxg5 hxg5 20. Rh5 Bf6 21. Kd2 Kg7 22. Rbh1 Rh8 23. b3 Nc7 24. Rxh8 Rxh8 25. Rxh8 Kxh8 26. a4 e6 27. f3 exd5 28. exd5 Na6 29. Ne4 Be7 30. Bf2 Kg7 31. Bd3 Nb4 32. Bb1 Na6 33. Be3 Be8 34. Nxg5 Nc7 35. Bf5 Kf6 36. Bc8 Kg6 37. Ne6 Nxe6 38. Bxe6 Bg5 39. Bc8 Bxe3+ 40. Kxe3 Kg5 41. Bxb7 Bg6 42. Kd2 Kf4 43. Bc8 Kxf3 44. Bf5 Be8 45. Kd3 Kf4 46. Kd2 e4 47. Ke2 e3 48. Be6 Ke4 49. Bf5+ Kd4 50. g5 Bh5+ 51. Ke1 Kc3 52. g6 Bxg6 53. Bxg6 Kxb3 54. Bd3 Kxa4 55. Ke2 Kb4 56. Kxe3 Kc3 57. Bf1 Kc2 58. Kf4 Kd2 59. Kf5 Ke3 60. Ke6 Kf2 61. Bd3 Ke3 62. Bb1 Kd4 63. Kxd6 Kxc4 64. Kc6 b5 65. d6 b4 66. d7 Kc3 67. d8Q c4 68. Qf6+ Kb3 69. Kb5 c3 70. Qf5 Ka3 71. Kc4 b3 72. Kxc3 b2 73. Qa5# 1-0

[Event "4NCL Spring Online Intermed op 1st"]
[Site "Lichess.org INT"]
[Date "2021.03.02"]
[Round "3"]
[White "Rao, Shree"]
[Black "O'Sullivan, Christopher"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1381"]
[BlackElo "1579"]
[PlyCount "111"]
[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 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Bf5 5. Nf3 Nc6 6. Be2 e6 7. Nbd2 h6 8. Ne5 c4 9. b3 cxb3 10. Qxb3 Qb6 11. Bb5 Rc8 12. Rc1 Be7 13. c4 0-0 14. c5 Qa5 15. Nxc6 bxc6 16. Qa4 Qxa4 17. Bxa4 Nh5 18. Bd6 Rfe8 19. f3 Nf6 20. Ke2 Nd7 21. g4 Bg6 22. f4 Nf6 23. Rhg1 Ne4 24. Nxe4 Bxe4 25. h3 f6 26. h4 Kf7 27. g5 hxg5 28. hxg5 g6 29. Rc3 Red8 30. Rb3 Bxd6 31. cxd6 Rd7 32. Rc1 Rxd6 33. Rb7+ Kf8 34. gxf6 Bf5 35. Rxa7 Bg4+ 36. Kf2 Bf5 37. Ra6 Kf7 38. Raxc6 Rdxc6 39. Rxc6 Rxc6 40. Bxc6 Kxf6 41. a4 Bd3 42. Bb5 Bxb5 43. axb5 Ke7 44. Kg3 Kd7 45. Kg4 Kc7 46. Kg5 Kb6 47. Kxg6 Kxb5 48. Kf6 Kc4 49. Kxe6 Kd3 50. f5 Kxe3 51. f6 Kxd4 52. f7 Kc4 53. f8Q d4 54. Qc8+ Kd3 55. Ke5 Ke3 56. Qh3+ 1-0

[Event "4NCL Online Congress 5th Sub 1700"]
[Site "lichess.org"]
[Date "2021.02.21"]
[Round "4"]
[White "O'Sullivan, Christopher"]
[Black "Mottram, Paul"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1579"]
[BlackElo "1486"]
[PlyCount "87"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 a6 5. e3 Bf5 6. h3 e6 7. Nf3 Bb4 8. Bg5 h6 9. Bh4 Nbd7 10. a3 Bxc3+ 11. bxc3 Qa5 12. Qb3 b5 13. c5 0-0 14. Be2 Ne4 15. Rc1 Bh7 16. Nd2 Nxd2 17. Kxd2 e5 18. Qb4 Qxb4 19. cxb4 exd4 20. exd4 Rfe8 21. Rhe1 Re4 22. Bg4 Rxd4+ 23. Kc3 Rc4+ 24. Kb2 f5 25. Rxc4 bxc4 26. Bh5 g6 27. Bd1 Kf7 28. Re7+ Kf8 29. Rxd7 Bg8 30. Rd8+ Rxd8 31. Bxd8 Ke8 32. Bc7 Kd7 33. Bd6 Bf7 34. f4 Ke6 35. Kc3 g5 36. g4 fxg4 37. Bxg4+ Kf6 38. fxg5+ Kxg5 39. Bd7 Bg6 40. Bxc6 Be4 41. Bd7 d4+ 42. Kxd4 c3 43. Kxc3 Bb7 44. c6 1-0

[Event "4NCL Online Congress 5th Sub 1700"]
[Site "lichess.org"]
[Date "2021.02.21"]
[Round "5"]
[White "Siddle, Michael"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1477"]
[BlackElo "1579"]
[PlyCount "60"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 c6 4. d4 Bb4+ 5. Nc3 d5 6. a3 Bd6 7. c5 Be7 8. Nf3 Nbd7 9. 0-0 h6 10. Re1 Ne4 11. Nd2 Nxc3 12. bxc3 0-0 13. e4 b6 14. cxb6 axb6 15. e5 b5 16. Nb3 Ra4 17. Qg4 Kh7 18. Bf1 g6 19. Bd3 Rh8 20. Bxg6+ fxg6 21. Qxe6 Qf8 22. Qxc6 Rc4 23. Qxb5 Qf3 24. Nd2 Qxc3 25. Nxc4 Qxe1+ 26. Kg2 dxc4 27. Qxc4 Rf8 28. Ra2 Qe4+ 29. Kf1 Nc5 30. Re2 Qh1# 0-1

[Event "4NCL Online Congress 5th Sub 1700"]
[Site "lichess.org"]
[Date "2021.02.20"]
[Round "3"]
[White "Badacsonyi, Stanley Ethan Artie"]
[Black "O'Sullivan, Christopher"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1252"]
[BlackElo "1579"]
[PlyCount "65"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 a6 5. dxc5 e6 6. Bd3 Bxc5 7. Nf3 Nc6 8. 0-0 Bd6 9. Bxd6 Qxd6 10. Re1 e5 11. e4 d4 12. Nd5 Bg4 13. h3 Bh5 14. g4 Bg6 15. Nb6 Rd8 16. Nc4 Qe7 17. Nh4 Qe6 18. Nf5 Bxf5 19. exf5 Qd5 20. f4 Nd7 21. fxe5 Ncxe5 22. Nxe5 Nxe5 23. Be4 Qb5 24. a4 Qb6 25. Bg2 f6 26. g5 0-0 27. Kh1 Nc4 28. g6 h6 29. Re7 Ne3 30. Qf3 Nxg2 31. Rxb7 Qa5 32. Rxg7+ Kh8 33. Qb7 1-0

[Event "4NCL Online Congress 5th Sub 1700"]
[Site "lichess.org"]
[Date "2021.02.20"]
[Round "2"]
[White "O'Sullivan, Christopher"]
[Black "Russo, Giovanni1"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1579"]
[BlackElo "1370"]
[PlyCount "65"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 c6 4. Bf4 e6 5. e3 Be7 6. Bd3 dxc4 7. Bxc4 Nbd7 8. Nf3 0-0 9. h3 Nd5 10. Nxd5 exd5 11. Bd3 Bb4+ 12. Kf1 c5 13. Qb3 Nf6 14. Bg5 Qd6 15. Bf4 Qb6 16. a3 c4 17. Bxc4 dxc4 18. Qxb4 Qa6 19. Kg1 Nd5 20. Qd2 Nxf4 21. exf4 Bf5 22. Re1 Rfe8 23. Kh2 Qc6 24. Ne5 Qd5 25. Re3 f6 26. Nf3 Re4 27. Rhe1 Rae8 28. Rxe4 Rxe4 29. Rxe4 Bxe4 30. Qe3 b5 31. Nd2 f5 32. f3 Bd3 33. Qe8# 1-0

[Event "4NCL Online Congress 5th Sub 1700"]
[Site "lichess.org"]
[Date "2021.02.19"]
[Round "1"]
[White "Katkar, Aniruddha"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1421"]
[BlackElo "1579"]
[PlyCount "62"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e5 2. g3 f5 3. e3 Nf6 4. Bg2 Nc6 5. Nf3 d5 6. cxd5 Nxd5 7. Nc3 Ndb4 8. d4 e4 9. Ng1 Nd3+ 10. Kf1 Be6 11. a3 Bc4 12. Nge2 a6 13. b3 Bf7 14. f3 Bg6 15. fxe4 fxe4 16. Nxe4 Bxe4 17. Bxe4 Qf6+ 18. Nf4 Nxf4 19. exf4 0-0-0 20. Qg4+ Kb8 21. Rb1 Qxd4 22. Qf3 Bc5 23. Bb2 Qd7 24. Kg2 Rhe8 25. Rhd1 Qe7 26. Rxd8+ Rxd8 27. Bc3 Nd4 28. Bxd4 Rxd4 29. Bxh7 Rd2+ 30. Kh3 Qe6+ 31. Qg4 Rxh2+ 0-1

[Event "4NCL Spring Online Intermed op 1st"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "2"]
[White "O'Sullivan, Christopher"]
[Black "Verbytskyi, Oleg"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1579"]
[BlackElo "1336"]
[PlyCount "67"]
[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 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 a5 8. g4 Na6 9. g5 Nd7 10. h4 Ndc5 11. h5 Qe7 12. hxg6 fxg6 13. Nf3 Bg4 14. Rg1 Bxf3 15. Bxf3 Nb4 16. Be2 b6 17. a3 Nba6 18. Qc2 Qf7 19. 0-0-0 Qd7 20. Rg3 c6 21. Rh1 cxd5 22. Nxd5 Rab8 23. Bg4 Qa7 24. f3 Bh8 25. Rgh3 Rf7 26. Qh2 Re8 27. Rh6 Qb7 28. Rxg6+ Kf8 29. Qh6+ Bg7 30. Qxh7 Nb3+ 31. Kb1 Rc7 32. Be6 Rf7 33. Qh8+ Bxh8 34. Rxh8# 1-0

[Event "4NCL Spring Online Intermed op 1st"]
[Site "Lichess.org INT"]
[Date "2021.02.02"]
[Round "1"]
[White "Clancy, David"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1417"]
[BlackElo "1579"]
[PlyCount "98"]
[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. e4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Nh4 e6 8. Nxg6 hxg6 9. c3 Bd6 10. Qf3 Qf6 11. Ne4 Qxf3 12. Nxd6+ Ke7 13. gxf3 Kxd6 14. Bf4+ Ke7 15. 0-0-0 Ngf6 16. Bd3 Rh3 17. Be2 Nh5 18. Bg3 Nxg3 19. hxg3 Rah8 20. Rxh3 Rxh3 21. Rf1 Nf8 22. f4 f5 23. Kd1 Nh7 24. Bf3 Nf6 25. Rh1 Rxh1+ 26. Bxh1 Nd7 27. Kd2 Nb6 28. b3 Kf6 29. Kd3 g5 30. fxg5+ Kxg5 31. Ke3 Nd5+ 32. Kd3 g6 33. Bf3 Nf6 34. Ke3 Ng4+ 35. Ke2 Nf6 36. Ke3 Nd5+ 37. Kd3 Kf6 38. a3 e5 39. dxe5+ Kxe5 40. Bh1 g5 41. c4 Nf6 42. Ke3 Ng4+ 43. Ke2 Kd4 44. f3 Ne3 45. Kd2 Nf1+ 46. Kc2 Nxg3 47. Bg2 Ke3 48. f4 gxf4 49. Bxc6 bxc6 0-1

[Event "4NCL Online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.23"]
[Round "4"]
[White "O'Sullivan, Christopher"]
[Black "Khoury, Theo"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1609"]
[PlyCount "126"]
[EventDate "2020.08.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Bd3 d5 6. h3 c5 7. c3 c4 8. Bc2 Nc6 9. Nbd2 e6 10. Bg5 h6 11. Bh4 Qc7 12. Bg3 Qd7 13. Ba4 Qe7 14. Bc2 Bd7 15. 0-0 Nh5 16. Bh2 b5 17. a3 a5 18. Qe2 b4 19. e4 b3 20. Bd1 Qd8 21. e5 Bh8 22. Qe3 Kh7 23. g4 Ng7 24. Bg3 f5 25. Bf4 g5 26. Bxg5 hxg5 27. Nxg5+ Kg8 28. f4 Qe7 29. Qg3 Qe8 30. Qh4 Qg6 31. Kh2 Ne8 32. Be2 Bg7 33. Rf2 Qh6 34. Qg3 Nd8 35. Rg1 Nf7 36. Nxf7 Rxf7 37. g5 Qh8 38. g6 Re7 39. Qg5 Bf8 40. Nf3 Qh6 41. Rfg2 Qxg5 42. Nxg5 Bh6 43. h4 Bxg5 44. Rxg5 Kg7 45. h5 Kh6 46. Kh3 Ng7 47. Kh4 Rh8 48. Bf3 Ne8 49. Be2 Kg7 50. Rh1 Rh6 51. Bf3 Nc7 52. Rh2 Re8 53. Rgg2 Reh8 54. Kg5 Be8 55. Rh1 Rxg6+ 56. hxg6 Rxh1 57. Rg3 Rh6 58. Bh5 Bxg6 59. Bxg6 Rxg6+ 60. Kh4 Rxg3 61. Kxg3 Kg6 62. Kh4 Nb5 63. Kg3 Nxc3 0-1

[Event "4NCL Online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.22"]
[Round "3"]
[White "O'Sullivan, Christopher"]
[Black "Srivastava, Arnav"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1812"]
[PlyCount "70"]
[EventDate "2020.08.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Bd3 Bg4 6. Nf3 e6 7. Nbd2 Bd6 8. Bg3 0-0 9. Qc2 Rc8 10. h3 Bxf3 11. gxf3 Bxg3 12. fxg3 cxd4 13. cxd4 Nxd4 14. Qa4 Nc6 15. Bc2 Qb6 16. Qb3 Qxb3 17. Bxb3 Rfd8 18. Kf2 a6 19. g4 Na5 20. Bd1 Nc4 21. Nxc4 dxc4 22. g5 Nd5 23. e4 Nb4 24. Kg3 Rd2 25. Rc1 Rxb2 26. Bb3 c3 27. Rhd1 h6 28. a3 Rxb3 29. axb4 Rxb4 30. Rd3 c2 31. Rd2 Rbc4 32. Rd7 b5 33. Ra7 Rb4 34. Rxa6 Rb1 35. Ra1 Rxa1 0-1

[Event "4NCL Online op 2nd"]
[Site "Lichess.org INT"]
[Date "2020.08.21"]
[Round "1"]
[White "Majeed, Haroon"]
[Black "O'Sullivan, Christopher"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "104"]
[EventDate "2020.08.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. Bb5+ Nc6 7. g4 Bg6 8. Ne5 Rc8 9. d4 a6 10. Nxc6 bxc6 11. Bxa6 Rb8 12. Rb1 e6 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Bd3 Nf6 16. a3 Qf4 17. Ne2 Qf3 18. Ng3 Qxd1+ 19. Kxd1 Bxd3 20. cxd3 0-0 21. b4 Ra8 22. Rb3 Nd7 23. f4 Rfb8 24. Kc2 Ra7 25. Rc1 Rb6 26. Kb2 Nf6 27. Rbc3 Rc7 28. Kb3 Ne8 29. Rc5 Nd6 30. f5 Nb5 31. Ne2 Nd6 32. fxe6 fxe6 33. Rf1 Nb5 34. Rf4 Ra7 35. a4 Nd6 36. Nc3 Nb7 37. b5 Nxc5+ 38. dxc5 Rb8 39. b6 Rab7 40. a5 Ra8 41. Ra4 Ra6 42. Ne2 Kf7 43. Nd4 Kg6 44. Nxc6 Kg5 45. Nd8 Rb8 46. Nxe6+ Kh4 47. Nc7 Raa8 48. Nxa8 Rxa8 49. c6 Rf8 50. b7 Rf1 51. Ra2 d4 52. b8Q Rc1 1-0

[Event "4NCL Online Congress 1st Minor"]
[Site "lichess.org"]
[Date "2020.07.12"]
[Round "5"]
[White "O'Sullivan, Christopher"]
[Black "Wilkinson, Kevin"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1392"]
[PlyCount "74"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Nf6 5. h3 Bf5 6. Bc4 a6 7. d3 b5 8. Bb3 Bc8 9. Bg5 e6 10. a3 Be7 11. Qd2 Bb7 12. Qe3 Nbd7 13. Ne4 Nxe4 14. Bxe7 Qxe7 15. dxe4 Nc5 16. Nd2 0-0 17. 0-0-0 Rac8 18. f3 Rfd8 19. Nb1 Nxb3+ 20. Qxb3 c5 21. Qe3 b4 22. Rxd8+ Rxd8 23. Rd1 Rxd1+ 24. Kxd1 Bc6 25. axb4 cxb4 26. Nd2 Bb5 27. Kc1 h6 28. c4 bxc3 29. Qxc3 Qg5 30. g3 Qxg3 31. Kc2 Qxh3 32. Kb3 Qg2 33. Kb4 h5 34. Qc8+ Kh7 35. Qc3 h4 36. Nc4 h3 37. f4 h2 0-1

[Event "4NCL Online Congress 1st Minor"]
[Site "lichess.org"]
[Date "2020.07.12"]
[Round "4"]
[White "Wood, Gabriel"]
[Black "O'Sullivan, Christopher"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1615"]
[PlyCount "164"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 h6 7. 0-0 Nd7 8. Be3 Ne7 9. Nbd2 Nf5 10. c4 Be7 11. c5 Nf8 12. Ne1 Ng6 13. Ndf3 Ngh4 14. g3 Nxf3+ 15. Nxf3 g5 16. Ne1 g4 17. f3 h5 18. fxg4 hxg4 19. Ng2 Bg5 20. Bf4 Qe7 21. Ne3 Nxe3 22. Qxe3 Rh5 23. Rf2 f5 24. Rd1 Bxf4 25. Qxf4 Qg5 26. Qxg5 Rxg5 27. Rd3 0-0-0 28. Rb3 Kc7 29. a4 b6 30. cxb6+ axb6 31. Rc3 Kb7 32. Rfc2 Rc8 33. Rf2 Rgg8 34. b4 Ra8 35. Ra3 Ra7 36. a5 Rga8 37. Rfa2 bxa5 38. bxa5 Ka6 39. Rc2 Rc8 40. Kf2 Rb7 41. Ke3 Rb5 42. Rca2 Rcb8 43. Rc3 Rb3 44. Kd3 Rxc3+ 45. Kxc3 Rb5 46. h4 gxh3 47. Rh2 Rxa5 48. Rxh3 Ra3+ 49. Kb4 Rd3 50. Kc5 f4 51. Rh6 fxg3 52. Rxe6 g2 53. Rxc6+ Kb7 54. Rg6 Rd2 55. Kxd5 Kc7 56. Rg7+ Kd8 57. Ke4 Ke8 58. d5 Kf8 59. Rg5 Kf7 60. e6+ Kf6 61. Rg8 Ke7 62. Ke5 Re2+ 63. Kf5 Kd6 64. Rd8+ Ke7 65. Rg8 Kd6 66. Rd8+ Ke7 67. Rd7+ Ke8 68. Rg7 Kf8 69. Rg4 Ke7 70. Rg7+ Kf8 71. Rg6 Ke7 72. Rg5 Kd6 73. Kf6 Rf2+ 74. Kg6 Ke7 75. Kg7 Kd6 76. Kg8 Ke7 77. Rg7+ Kd6 78. e7 Re2 79. Kf8 Rf2+ 80. Ke8 Ra2 81. Kf8 Rf2+ 82. Kg8 Re2 1/2-1/2

[Event "4NCL Online Congress 1st Minor"]
[Site "lichess.org"]
[Date "2020.07.11"]
[Round "3"]
[White "O'Sullivan, Christopher"]
[Black "Ding, Yiwen"]
[Result "1-0"]
[ECO "B20"]
[BlackElo "1450"]
[PlyCount "151"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. h3 Nf6 4. d3 a6 5. a4 e6 6. Bg5 Nbd7 7. Nf3 Be7 8. Nc3 0-0 9. Qd2 b6 10. h4 Ng4 11. Nh2 Bxg5 12. Qxg5 Qxg5 13. hxg5 Nge5 14. Bb3 Bb7 15. f4 Ng6 16. g3 Rae8 17. 0-0-0 f6 18. f5 Ne7 19. Bxe6+ Kh8 20. Bxd7 Rd8 21. Be6 fxg5 22. Rhf1 d5 23. Nf3 h6 24. Ne5 d4 25. Nd5 Nxd5 26. Bxd5 Bxd5 27. Ng6+ Kg8 28. Nxf8 Kxf8 29. exd5 Rxd5 30. Rde1 Kf7 31. Re6 Rxf5 32. Rxf5+ Kxe6 33. Rf8 b5 34. axb5 axb5 35. c3 dxc3 36. bxc3 h5 37. Kd2 h4 38. gxh4 gxh4 39. Ke3 g5 40. Kf3 Ke7 41. Rf5 b4 42. cxb4 cxb4 43. Rxg5 Kd6 44. Rb5 h3 45. Kg3 Kc6 46. Rxb4 Kc5 47. Rh4 Kd5 48. Kxh3 Ke5 49. Re4+ Kd5 50. Re8 Kd4 51. Kg3 Kxd3 52. Kf4 Kd4 53. Rd8+ Kc4 54. Ke5 Kc3 55. Ke4 Kc2 56. Ke3 Kc1 57. Ke2 Kc2 58. Rc8+ Kb3 59. Kd2 Kb4 60. Kd3 Kb5 61. Kd4 Kb6 62. Rc1 Kb5 63. Rc2 Kb6 64. Kd5 Kb7 65. Kd6 Kb8 66. Kd7 Kb7 67. Rb2+ Ka6 68. Kc7 Ka5 69. Kc6 Ka4 70. Rb8 Ka3 71. Kc5 Ka2 72. Kc4 Ka1 73. Kc3 Ka2 74. Rb7 Ka1 75. Kc2 Ka2 76. Ra7# 1-0

[Event "4NCL Online Congress 1st Minor"]
[Site "lichess.org"]
[Date "2020.07.11"]
[Round "2"]
[White "Vernon, Colin G"]
[Black "O'Sullivan, Christopher"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1392"]
[PlyCount "60"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 a6 4. a3 h6 5. h3 Nf6 6. e5 Nh7 7. Bd3 Ng5 8. Nf3 Nxf3+ 9. Qxf3 e6 10. 0-0 Nd7 11. Qg4 c5 12. dxc5 Nxe5 13. Qd4 Nxd3 14. cxd3 Bd7 15. b4 Qf6 16. Qxf6 gxf6 17. f4 f5 18. Bb2 Rg8 19. Rfe1 Bc6 20. Ne2 Bg7 21. Bxg7 Rxg7 22. Nd4 Kd7 23. Nxc6 bxc6 24. d4 Rg3 25. Ra2 Rd3 26. Rae2 Rxd4 27. g3 a5 28. bxa5 Kc7 29. Re3 Rxa5 30. Kf2 Rda4 0-1

[Event "4NCL Online Congress 1st Minor"]
[Site "lichess.org"]
[Date "2020.07.10"]
[Round "1"]
[White "O'Sullivan, Christopher"]
[Black "Liu, Jason1"]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "1392"]
[PlyCount "108"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. Bc4 d5 3. exd5 exd5 4. Bb3 Nf6 5. h3 Bd6 6. d3 c6 7. Bg5 0-0 8. Nc3 Re8+ 9. Nce2 Bf5 10. a3 Nbd7 11. Qd2 Qc7 12. 0-0-0 a5 13. g4 Bg6 14. f4 h6 15. Bh4 Bc5 16. d4 Ne4 17. Qe1 Bd6 18. f5 Bh7 19. Qf1 a4 20. Ba2 b5 21. Be1 Nb6 22. Nc3 Nc4 23. Bxc4 bxc4 24. Nxe4 Rxe4 25. Ne2 Qb6 26. Bc3 Rae8 27. Re1 c5 28. Qf2 Qc7 29. Rhf1 Qc8 30. Ng3 Bxg3 31. Qxg3 cxd4 32. Rxe4 Rxe4 33. Bb4 Qa8 34. Re1 Kh8 35. Qd6 Rxe1+ 36. Bxe1 Qe8 37. Kd1 d3 38. cxd3 cxd3 39. Qh2 Bg8 40. Qf2 f6 41. Bc3 Qe4 42. Kd2 Bf7 43. Qe3 Kg8 44. Qxe4 dxe4 45. Ke3 Bd5 46. Kd4 Ba8 47. Bd2 Kf7 48. Kc5 Ke7 49. Kb4 Bc6 50. Kc5 Kd7 51. Be3 Kc7 52. Bd2 Kd7 53. Be3 Kc7 54. Bd2 Kd7 1/2-1/2

