[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 "Li, Evan"]
[Black "Osborne, Paul"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1394"]
[PlyCount "89"]
[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 e6 2. d4 a6 3. Nf3 b5 4. c3 Bb7 5. Bd3 Nf6 6. Bg5 Be7 7. Nbd2 h6 8. Bxf6 Bxf6 9. b4 d5 10. e5 Be7 11. 0-0 Nd7 12. a4 c6 13. a5 Qc7 14. Qc2 Kd8 15. Rfe1 g5 16. h3 Kc8 17. Nh2 Qd8 18. Nb3 h5 19. f3 g4 20. fxg4 Bh4 21. Re3 Qg8 22. Kf1 Kb8 23. Ke2 Ka7 24. Nc5 Nxc5 25. bxc5 Rf8 26. g3 Bg5 27. Rf3 hxg4 28. Nxg4 Rxh3 29. Qb3 Bh6 30. Nxh6 Rxh6 31. Raf1 Qg4 32. R1f2 Rfh8 33. Qc2 Rh2 34. Ke3 Rh1 35. Be2 Qg5+ 36. Kd3 R8h3 37. Rxf7 Rxg3+ 38. R7f3 Qg6+ 39. Kd2 Qh6+ 40. Kd3 Rg4 41. Rf6 Re4 42. Rxh6 Rxh6 43. Qd2 Rh1 44. Bf3 Ree1 45. Bxh1 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.18"]
[Round "8"]
[White "Osborne, Paul"]
[Black "Walker, Heather Enid"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1280"]
[PlyCount "109"]
[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. g4 e5 2. d3 d5 3. g5 Bf5 4. Bg2 Nc6 5. h4 Nge7 6. Nc3 h6 7. Nf3 Qd7 8. b3 d4 9. Na4 g6 10. Nc5 Qc8 11. Bb2 Nd5 12. Ne4 Nf4 13. Nf6+ Kd8 14. Bf1 Qe6 15. Ne4 h5 16. Qd2 a5 17. c3 Be7 18. 0-0-0 Ra6 19. cxd4 exd4 20. Qxf4 Nb4 21. Kd2 Rc6 22. Nxd4 Qd5 23. Nxc6+ Qxc6 24. Rc1 Qb6 25. Bxh8 Nd5 26. Qf3 Bg4 27. Qxf7 c6 28. Qg8+ Kd7 29. Nc5+ Bxc5 30. Qf7+ Ne7 31. Rxc5 Qxc5 32. Bf6 Be6 33. Bh3 Qb4+ 34. Ke3 Qc5+ 35. Bd4 Qd5 36. Bxe6+ Qxe6+ 37. Qxe6+ Kxe6 38. Bb6 Nd5+ 39. Kd4 Nxb6 40. e4 Nd7 41. Rc1 b6 42. f4 c5+ 43. Ke3 b5 44. a4 bxa4 45. bxa4 Kd6 46. d4 Kc6 47. d5+ Kd6 48. Kd3 Nb6 49. Ra1 Kc7 50. Rc1 Nxa4 51. Kc4 Kb6 52. Rb1+ Ka6 53. d6 Nb6+ 54. Kxc5 Kb7 55. Rxb6+ 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.17"]
[Round "5"]
[White "Korolchuk, Ted"]
[Black "Osborne, Paul"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "57"]
[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 e6 2. d4 a6 3. c4 g6 4. Nc3 b6 5. Nf3 Bh6 6. Bxh6 Nxh6 7. h3 Qe7 8. a3 Bb7 9. Bd3 Qf6 10. Qd2 Qg7 11. 0-0-0 Nc6 12. d5 Na5 13. Kc2 Bc8 14. dxe6 fxe6 15. Qf4 d6 16. e5 Rf8 17. Qe3 Nf5 18. Bxf5 Nxc4 19. Qe4 d5 20. Nxd5 gxf5 21. Nf6+ Kf7 22. Qxa8 Qxg2 23. Kb1 Qxf2 24. Rh2 Qc5 25. Ng5+ Ke7 26. Qxc8 Nxa3+ 27. bxa3 Qb5+ 28. Rb2 Rxf6 29. Qd8# 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.17"]
[Round "6"]
[White "Osborne, Paul"]
[Black "Dean, Matthew"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "39"]
[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. g4 d6 2. g5 e5 3. d4 Nc6 4. d5 Nce7 5. h4 Nf5 6. e4 Nd4 7. c3 Bg4 8. f3 Nxf3+ 9. Nxf3 Qd7 10. Nbd2 Bh5 11. Qb3 Qg4 12. Rg1 Qf4 13. Kf2 Bxf3 14. Nxf3 Qxe4 15. Qxb7 f6 16. Bb5+ Kf7 17. Qxa8 Nh6 18. Qe8+ Kg8 19. gxh6 g6 20. Qe6# 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.16"]
[Round "4"]
[White "Osborne, Paul"]
[Black "Baguley, John"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "94"]
[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. g4 d5 2. g5 e5 3. d3 Be7 4. h4 h6 5. Nf3 Nc6 6. Bg2 Bg4 7. Nc3 Qd7 8. a3 hxg5 9. Nxg5 d4 10. Nce4 f6 11. Nf3 Nh6 12. Bxh6 Rxh6 13. c4 dxc3 14. Nxc3 0-0-0 15. Qc2 Bxf3 16. Bxf3 Nd4 17. Qd2 Nb3 18. Qe3 Nd4 19. Kd1 Nxf3 20. Qxa7 Qc6 21. Qa8+ Kd7 22. Qa4 Qxa4+ 23. Nxa4 Nxh4 24. Rg1 Rg6 25. Kd2 Rxg1 26. Rxg1 g5 27. Rc1 Ra8 28. Nc3 c6 29. Rg1 Bc5 30. Ne4 Be7 31. Kc3 b5 32. Kb3 Nf5 33. e3 Rh8 34. a4 bxa4+ 35. Kxa4 Rb8 36. Rb1 Kc7 37. b4 Ra8+ 38. Kb3 Nd6 39. Nc5 Nb5 40. Na4 Rd8 41. Rd1 f5 42. Nb2 f4 43. e4 Nd4+ 44. Kc3 Rb8 45. b5 Rxb5 46. Nc4 Bb4+ 47. Kb2 Be1+ 0-1

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.16"]
[Round "3"]
[White "Rida, Ruqayyah"]
[Black "Osborne, Paul"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "1669"]
[PlyCount "117"]
[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 e6 2. d4 Nf6 3. e5 Nd5 4. c4 Nb6 5. Nf3 c5 6. d5 d6 7. Nc3 Be7 8. Be2 a6 9. Bf4 g5 10. exd6 gxf4 11. dxe7 Qxe7 12. d6 Qf6 13. Qd2 Bd7 14. Ne4 Qf5 15. Qc3 Rf8 16. Nf6+ Kd8 17. Bd3 Na4 18. Bxf5 Nxc3 19. Nxd7 Kxd7 20. Bc2 Nxa2 21. Rxa2 f6 22. Ke2 Kxd6 23. Rd1+ Ke7 24. Be4 Ra7 25. Bxh7 Nc6 26. Be4 Nb4 27. Raa1 f5 28. Bd3 Kf6 29. Ne1 e5 30. Nc2 Nc6 31. f3 Rg8 32. Kf2 Rh8 33. Kg1 Raa8 34. h3 Rag8 35. Kf2 Rg7 36. Na3 Rhg8 37. Rg1 Rg3 38. Nb1 e4 39. Be2 e3+ 40. Kf1 Nd4 41. Nc3 Nb3 42. Rd1 Nd2+ 43. Rxd2 exd2 44. Nb1 Rd8 45. Kf2 a5 46. Rd1 Rdg8 47. Bf1 Rd8 48. Nxd2 Kf7 49. Be2 Rdg8 50. Rg1 a4 51. Nb1 R3g6 52. Nc3 Ra8 53. Nd5 Rd6 54. Ra1 Ke6 55. Nxf4+ Ke5 56. Nd5 b5 57. f4+ Ke4 58. Bf3+ Kd4 59. Ne3 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.15"]
[Round "1"]
[White "Hutchinson, Paul A"]
[Black "Osborne, Paul"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2070"]
[PlyCount "47"]
[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. Bf4 Nf6 3. e3 Bg4 4. f3 Bh5 5. h4 h6 6. Bd3 e6 7. g4 Bg6 8. Bxg6 fxg6 9. Qd3 Qe7 10. Qxg6+ Kd8 11. c3 Qe8 12. Qd3 Qd7 13. Nd2 Bd6 14. Ne2 Nc6 15. 0-0-0 e5 16. dxe5 Bxe5 17. g5 Nh5 18. Nc4 Bxf4 19. exf4 Ne7 20. Ne5 Qe6 21. Nd4 Qg8 22. Qb5 c6 23. Qxb7 Rc8 24. Qd7# 1-0

[Event "Cambridge op"]
[Site "Cambridge"]
[Date "2023.02.15"]
[Round "2"]
[White "Osborne, Paul"]
[Black "Downey, Keith"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "1818"]
[PlyCount "101"]
[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 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qc3 d6 5. Nf3 Nf6 6. Bd3 g6 7. Qb3 Bg7 8. 0-0 0-0 9. c3 b6 10. Rd1 Qc7 11. Na3 a6 12. Bf4 Nd7 13. Nc4 b5 14. Ne3 Nc5 15. Qc2 e6 16. Ng4 e5 17. Nh6+ Kh8 18. Be3 Ne7 19. b4 Nb7 20. Qb3 Be6 21. Qb2 f6 22. Rac1 Rac8 23. h3 d5 24. Qa3 Qc6 25. Qb2 dxe4 26. Be2 exf3 27. Bxf3 e4 28. Bg4 f5 29. Be2 Bc4 30. Bd4 Rfd8 31. Bxc4 Qxc4 32. Qb3 Rd5 33. Nf7+ Kg8 34. Ng5 Bxd4 35. cxd4 Qxb3 36. Rxc8+ Nxc8 37. axb3 f4 38. Rc1 Ncd6 39. Ne6 Kf7 40. Nc5 Rxd4 41. Nxb7 Nxb7 42. Rc7+ Kg8 43. Rxb7 Rxb4 44. Ra7 Rxb3 45. Rxa6 Rb1+ 46. Kh2 b4 47. Rb6 b3 48. g4 Kf7 49. g5 b2 50. Rf6+ Ke7 51. Rb6 1/2-1/2

