[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.04.02"]
[Round "11"]
[White "Galleid, Stephen"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1756"]
[BlackElo "1729"]
[PlyCount "89"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d6 2. Nc3 Nf6 3. Bf4 c6 4. Nf3 Qa5 5. Qd2 Qc7 6. e4 Nbd7 7. h3 e5 8. Bh2 Be7 9. a4 0-0 10. Be2 Rd8 11. 0-0 Bf8 12. Rfd1 Re8 13. a5 exd4 14. Qxd4 Ne5 15. Nd2 c5 16. Qa4 a6 17. Nd5 Qd8 18. Nxf6+ gxf6 19. Ra3 Bd7 20. Rg3+ Kh8 21. Qa3 Bh6 22. Rb3 Bc6 23. f3 Rg8 24. Nc4 Nxc4 25. Bxc4 Qd7 26. Kh1 Bf8 27. Rbd3 Rd8 28. Qc3 Rg6 29. Qb3 Ba4 30. Qc3 Qc7 31. Qd2 f5 32. exf5 Rf6 33. Be5 Qe7 34. Bxf6+ Qxf6 35. Qc3 Bg7 36. Qxf6 Bxf6 37. b3 Bc6 38. Rxd6 Rxd6 39. Rxd6 Bc3 40. Bxf7 Kg7 41. Bh5 Bxa5 42. f6+ Kf8 43. c3 Bc7 44. Re6 a5 45. f7 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.04.01"]
[Round "10"]
[White "Ohlson, Cecil"]
[Black "Wilken, Justin Barend"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1729"]
[BlackElo "1884"]
[PlyCount "66"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Bc4 a6 4. d3 Nc6 5. f4 Nf6 6. e5 d5 7. Bb3 Nd7 8. a4 Nd4 9. Ba2 b6 10. Nf3 Nxf3+ 11. Qxf3 Bb7 12. Qg4 Qc7 13. Ne2 h5 14. Qg5 h4 15. d4 g6 16. c3 Be7 17. Qg4 a5 18. Bb1 Ba6 19. Be3 0-0-0 20. h3 Kb7 21. Ba2 Nb8 22. Rc1 Qd7 23. b3 Rc8 24. Qf3 Nc6 25. Qf2 Bxe2 26. Kxe2 cxd4 27. Bxd4 Nxd4+ 28. cxd4 Ba3 29. Rxc8 Rxc8 30. Rd1 Rc2+ 31. Rd2 Qc6 32. Kf1 Rc1+ 33. Ke2 Bb4 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.31"]
[Round "9"]
[White "Bouah, Lyndon"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2007"]
[BlackElo "1729"]
[PlyCount "65"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 c6 4. Nc3 Qa5 5. Bd2 Qc7 6. e4 e5 7. Be2 Be7 8. h3 0-0 9. 0-0 a5 10. Qc2 Re8 11. Rfe1 Nbd7 12. a3 exd4 13. Nxd4 Ne5 14. Rad1 Be6 15. b3 Bd7 16. Bc1 Ng6 17. f4 Bf8 18. Rf1 c5 19. Nf5 Nxe4 20. Nh6+ gxh6 21. Nxe4 Re7 22. Nf6+ Kh8 23. Nd5 Rxe2 24. Qxe2 Qc6 25. Bb2+ Bg7 26. Bxg7+ Kxg7 27. Qb2+ Kf8 28. Qf6 Re8 29. f5 Ne7 30. Qh8+ Ng8 31. f6 Re2 32. Qg7+ Ke8 33. Qxg8# 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.31"]
[Round "8"]
[White "Ohlson, Cecil"]
[Black "Lewis, Mark MM"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1729"]
[BlackElo "1861"]
[PlyCount "69"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d3 d5 2. Nf3 Nf6 3. c3 c6 4. Qc2 Qc7 5. e4 e5 6. Be2 Be7 7. 0-0 0-0 8. Nbd2 Bg4 9. d4 Nbd7 10. exd5 Nxd5 11. Ng5 Bxg5 12. Bxg4 N7f6 13. Bf3 exd4 14. cxd4 Rad8 15. Nb3 Bxc1 16. Raxc1 Rfe8 17. Qc5 Qe7 18. a3 Qxc5 19. dxc5 Nf4 20. Rcd1 Ne6 21. Na5 Rb8 22. b4 Ng5 23. Rd6 Nxf3+ 24. gxf3 a6 25. Rfd1 Kf8 26. Nc4 Nd5 27. Rd4 Nc3 28. Rd3 Re1+ 29. Kg2 Nd5 30. Rd4 Ra1 31. Re4 g5 32. h4 Nf4+ 33. Kh2 Ne6 34. Rd7 Ra2 35. Nd6 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.30"]
[Round "7"]
[White "Ohlson, Cecil"]
[Black "Bhawoodien, Shabier Hussain"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1729"]
[BlackElo "1975"]
[PlyCount "74"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d3 d5 2. Nf3 c5 3. c3 Nc6 4. Qa4 a6 5. e4 b5 6. Qc2 e5 7. Be2 f5 8. Nbd2 Nf6 9. 0-0 Be7 10. Re1 0-0 11. exd5 Nxd5 12. Nf1 Kh8 13. Ng3 Qd6 14. Bd2 Be6 15. Rad1 a5 16. h4 a4 17. a3 Nf4 18. Bxf4 exf4 19. Nf1 Bb3 20. Qc1 Bxd1 21. Bxd1 Rfe8 22. Bc2 Bf6 23. Qd2 Rxe1 24. Qxe1 b4 25. Bxa4 bxc3 26. b3 h6 27. Qd1 Ne5 28. Nxe5 Qxe5 29. Nh2 Bxh4 30. Nf3 Qe7 31. d4 cxd4 32. Qxd4 Bf6 33. Qxf4 Qe2 34. Bc6 Rd8 35. Qxf5 c2 36. Be4 c1Q+ 37. Kh2 Qc7+ 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.29"]
[Round "5"]
[White "Ohlson, Cecil"]
[Black "Schutte, Andre"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1729"]
[BlackElo "1839"]
[PlyCount "130"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d3 c6 2. Nf3 g6 3. c3 Bg7 4. e4 d5 5. Qc2 e6 6. Be2 Ne7 7. Bg5 b6 8. 0-0 Bb7 9. Rd1 Nd7 10. Nbd2 Qc7 11. Nf1 Nf6 12. Ng3 h6 13. Be3 0-0 14. Bd4 Nd7 15. Bxg7 Kxg7 16. Rac1 c5 17. b4 Rfc8 18. Qb2 f6 19. Nd2 Qd6 20. d4 c4 21. exd5 exd5 22. Rf1 Rf8 23. Rce1 Rae8 24. f4 f5 25. Bf3 b5 26. Bd1 Nf6 27. a4 a6 28. a5 Ne4 29. Ne2 Ng8 30. Nf3 Ngf6 31. Ne5 Bc8 32. Rf3 g5 33. h3 g4 34. hxg4 fxg4 35. Re3 h5 36. Ng3 Nxg3 37. Rxg3 Ne4 38. Rge3 Rxf4 39. g3 Rff8 40. Bc2 Ng5 41. Qc1 Qf6 42. Rf1 Qxf1+ 43. Qxf1 Rxf1+ 44. Kxf1 Rf8+ 45. Kg2 Bf5 46. Bxf5 Rxf5 47. Nd7 Ne4 48. Nc5 Rf6 49. Nd7 Rf2+ 50. Kg1 Rc2 51. Nb8 Nxc3 52. Nxa6 Ne2+ 53. Kf1 Nxd4 54. Ra3 Nc6 55. Nc7 d4 56. Nxb5 d3 57. Ke1 Nxb4 58. Nd4 Re2+ 59. Nxe2 Nc2+ 60. Kd2 dxe2 61. Re3 Nxe3 62. Kxe2 Nd5 63. a6 Kf6 64. a7 Nc7 65. Ke3 Ke5 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.29"]
[Round "6"]
[White "Southey, Andrew M"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1771"]
[BlackElo "1729"]
[PlyCount "94"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Qa5 5. Bd2 Qc7 6. Bd3 e5 7. 0-0 Be7 8. h3 0-0 9. Ne2 Nbd7 10. c3 Re8 11. Qc2 Nf8 12. Nh2 c5 13. dxc5 Qxc5 14. Be3 Qc7 15. f4 Bd7 16. Rad1 d5 17. fxe5 dxe4 18. exf6 exd3 19. Qxd3 Bxf6 20. Nf4 Be5 21. Ng4 Bxg4 22. hxg4 Rad8 23. Nd5 Qb8 24. Bc1 Ne6 25. Qf5 f6 26. g5 Kf7 27. gxf6 g6 28. Qh3 h5 29. c4 Qd6 30. b3 Nd4 31. Nc3 Bg3 32. Bd2 Ne2+ 33. Nxe2 Rxe2 34. Be3 Qxd1 35. Qxg3 Qd6 36. Qf3 Rxa2 37. Qxb7+ Qd7 38. Qf3 Qd3 39. Qf4 Re2 40. Bxa7 Qd2 41. Qg3 Qd7 42. Bc5 Qc6 43. Be7 Rdd2 44. Rf3 h4 45. Qg4 Rxg2+ 46. Qxg2 Rxg2+ 47. Kxg2 h3+ 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.28"]
[Round "4"]
[White "Willenberg, Glen I"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1683"]
[BlackElo "1729"]
[PlyCount "76"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. c4 d6 2. g3 e5 3. Bg2 f5 4. e3 Nf6 5. Ne2 Be7 6. Nbc3 0-0 7. 0-0 a5 8. d4 Qe8 9. b3 Nbd7 10. Nb5 Bd8 11. Bb2 Qh5 12. Nec3 Qh6 13. Nd5 Ng4 14. h3 c6 15. hxg4 fxg4 16. Nxd6 Qxd6 17. Nc3 h5 18. Ne4 Qh6 19. dxe5 h4 20. gxh4 Bxh4 21. Qd6 Re8 22. Rad1 Re6 23. Qd4 Nxe5 24. Qxe5 Rxe5 25. Bxe5 Bf5 26. Ng3 Qe6 27. Bd4 Bc2 28. Rd2 Qg6 29. Rc1 Bb1 30. Bc3 Bxg3 31. fxg3 Qe6 32. Bd4 Bf5 33. Rf2 Qg6 34. Bc5 Rd8 35. Rcf1 Bb1 36. Bd4 Bd3 37. Rf7 Bxf1 38. Rxg7+ Qxg7 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.27"]
[Round "3"]
[White "Ohlson, Cecil"]
[Black "Willenberg, Roland C"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1729"]
[BlackElo "1770"]
[PlyCount "66"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d3 e5 2. Nf3 Bd6 3. c3 c6 4. e4 Ne7 5. Be2 0-0 6. 0-0 Bc7 7. d4 d5 8. Nbd2 f5 9. exd5 e4 10. Ne5 cxd5 11. f4 Nd7 12. c4 Bb6 13. Nb3 Ng6 14. Kh1 Ndxe5 15. fxe5 Be6 16. c5 Bc7 17. Bf4 Nxf4 18. Rxf4 g5 19. Rf1 g4 20. Qd2 Kg7 21. Rac1 h6 22. a4 a5 23. Rc3 Qg5 24. Qxg5+ hxg5 25. Nd2 f4 26. Bd1 Rh8 27. Kg1 e3 28. Nb1 Rh6 29. Rb3 Rah8 30. Re1 Rxh2 31. Kf1 Bf5 32. Na3 Be4 33. Bxg4 Rxg2 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.26"]
[Round "2"]
[White "Danisa, Cyril T"]
[Black "Ohlson, Cecil"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1852"]
[BlackElo "1729"]
[PlyCount "102"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Qa5 5. Bd3 e5 6. 0-0 Be7 7. Bd2 Qc7 8. Ne2 Bg4 9. dxe5 dxe5 10. Ng3 0-0 11. h3 Bd7 12. Qe2 b5 13. Rad1 Na6 14. c3 Nc5 15. Bc2 Be6 16. b3 a5 17. Ng5 Bd7 18. Be3 h6 19. Nf3 Be6 20. Rd2 a4 21. c4 axb3 22. axb3 Ra3 23. Bxc5 Bxc5 24. Rfd1 b4 25. Nh4 Kh7 26. Rd3 g6 27. Nf3 Ra2 28. R3d2 Rfa8 29. Kh2 Nd7 30. Nf1 Nf8 31. g4 f5 32. gxf5 gxf5 33. Ng3 f4 34. Nf5 Nd7 35. N3h4 Nf6 36. Rg1 Bxf5 37. Nxf5 Rg8 38. Rdd1 Raa8 39. Rxg8 Rxg8 40. Rg1 Qf7 41. Rxg8 Qxg8 42. Qf3 Qg5 43. Qg2 Bf8 44. Qxg5 hxg5 45. f3 c5 46. Bd1 Nd7 47. h4 gxh4 48. Kh3 Nb8 49. Kxh4 Kg6 50. Kg4 Nc6 51. Nh4+ Kf6 1/2-1/2

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2024.03.25"]
[Round "1"]
[White "Ohlson, Cecil"]
[Black "Metcalfe, Allister"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1729"]
[BlackElo "1863"]
[PlyCount "78"]
[EventDate "2024.03.25"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 Bf5 6. Nc3 dxe5 7. fxe5 Nc6 8. Be3 e6 9. Be2 Be7 10. Nf3 0-0 11. 0-0 f6 12. exf6 Bxf6 13. Qd2 Qe7 14. Rad1 Rad8 15. Kh1 Kh8 16. b3 Bg4 17. Ne4 Bxf3 18. Rxf3 Bxd4 19. Rxf8+ Qxf8 20. Rf1 Bf6 21. Qe1 Nd7 22. Qg3 Rc8 23. Bg5 Qe7 24. Qh4 Rf8 25. Nxf6 gxf6 26. Bh6 Rg8 27. h3 Nce5 28. Bd2 Ng6 29. Qf2 b6 30. Bc3 e5 31. Bg4 Rf8 32. Bf5 Rf7 33. h4 Nf4 34. Qd2 Qd6 35. Qe3 Nf8 36. g3 N4e6 37. Kh2 Nd4 38. Be4 c6 39. Rd1 c5 0-1

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.17"]
[Round "11"]
[White "Ohlson, Cecil"]
[Black "Coetsee, Dewald"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1659"]
[BlackElo "1218"]
[PlyCount "80"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. a4 g6 6. f4 Bg7 7. d3 e6 8. Nf3 Ne7 9. Nxd4 cxd4 10. Ne2 d5 11. Bb3 dxe4 12. dxe4 0-0 13. 0-0 Nc6 14. c3 Qb6 15. cxd4 Nxd4 16. Nxd4 Bxd4+ 17. Kh1 Rd8 18. Qf3 Bd7 19. Bc2 Rac8 20. Qb3 Qxb3 21. Bxb3 Bc6 22. f5 exf5 23. exf5 Bd5 24. Bxd5 Rxd5 25. fxg6 fxg6 26. Rd1 Rdc5 27. Bh6 Bxb2 28. Rab1 Rc2 29. h3 b5 30. axb5 axb5 31. Rd7 b4 32. Rf1 Bc1 33. Bxc1 Rxc1 34. Rxc1 Rxc1+ 35. Kh2 b3 36. Rb7 Rb1 37. Kg3 b2 38. Kf2 h5 39. h4 g5 40. hxg5 h4 0-1

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.16"]
[Round "10"]
[White "Louw, Llewellyn T"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1593"]
[BlackElo "1659"]
[PlyCount "55"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. f3 Qe7 7. Nxc6 dxc6 8. Bd3 Be6 9. Bd2 0-0-0 10. Qe2 Nd7 11. 0-0 g5 12. a3 Bc5+ 13. Kh1 h5 14. b4 Bd4 15. Rab1 Be5 16. b5 c5 17. Nd5 Bxd5 18. exd5 Qd6 19. f4 gxf4 20. Qf3 h4 21. Bf5 Kb8 22. c4 Rh6 23. Bxf4 Bxf4 24. Qxf4 Ne5 25. Rbe1 Re8 26. Be6 Ng4 27. Bxg4 Rxe1 28. Rxe1 1-0

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.16"]
[Round "9"]
[White "Ohlson, Cecil"]
[Black "Meyer, Pravin"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1659"]
[BlackElo "1162"]
[PlyCount "71"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. f4 cxd4 9. Nxd4 Bb4 10. f5 Qc7 11. Bb5+ Ke7 12. fxg6 Bxc3+ 13. bxc3 Qxc3+ 14. Bd2 Qg3+ 15. Kf1 Qxe5 16. Bb4+ Kd8 17. gxf7 Ne7 18. Qf3 Rf8 19. Bc3 Qd6 20. Be8 e5 21. Bb4 Qg6 22. h5 Qa6+ 23. Bb5 Rxf7 24. Qxf7 Qf6+ 25. Qxf6 gxf6 26. Bxe7+ Kxe7 27. Nf5+ Ke6 28. Nxh6 a6 29. Be8 Ke7 30. Bf7 Kd6 31. Nf5+ Kc5 32. Ne7 d4 33. h6 Nc6 34. Ng8 Kd6 35. h7 Nd8 36. Bb3 1-0

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.15"]
[Round "8"]
[White "Makhetha, Tshepo"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1494"]
[BlackElo "1659"]
[PlyCount "55"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. Nf3 Nc6 4. cxd5 Qxd5 5. Nc3 Qd8 6. d5 Na5 7. Ne5 b6 8. e4 a6 9. Qf3 Nf6 10. Bg5 h6 11. Bh4 g5 12. Bg3 Bg7 13. Rd1 Bd7 14. h3 0-0 15. Bd3 b5 16. Nxd7 Nxd7 17. Qf5 Re8 18. e5 Nf8 19. e6 fxe6 20. dxe6 Qb6 21. Qf7+ Kh8 22. Bf5 Nc4 23. 0-0 Be5 24. Nd5 Qa7 25. f4 Nd6 26. Qh5 Bd4+ 27. Rxd4 Nxf5 28. fxg5 1-0

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.13"]
[Round "7"]
[White "Ohlson, Cecil"]
[Black "Kedama, Sandiso"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1659"]
[BlackElo "1738"]
[PlyCount "65"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 Nc6 10. Bd3 cxd4 11. Bxh7 Rxh7 12. Ne2 Bb4+ 13. Kf1 g6 14. Bg5 Be7 15. Bxe7 Qxe7 16. Qd3 Rh8 17. Nf6+ Nxf6 18. exf6 Qxf6 19. g5 Qe5 20. Re1 0-0-0 21. Qf3 Qe4 22. Qxe4 dxe4 23. Ng3 d3 24. c3 Ne5 25. Rxe4 Nf3 26. Kg2 Nxh4+ 27. Kf1 Nf3 28. Rxh8 Rxh8 29. Rf4 Rd8 30. Ne4 d2 31. Nxd2 Nxd2+ 32. Ke2 Rd7 33. f3 0-1

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.12"]
[Round "6"]
[White "Morgan, Nathan"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1366"]
[BlackElo "1659"]
[PlyCount "38"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 a6 6. Ba4 b5 7. Bb3 Na5 8. d4 Nxb3 9. axb3 exd4 10. e5 Ne7 11. Bg5 0-0 12. Qxd4 Bb7 13. Qh4 Re8 14. Nbd2 d5 15. g4 Qd7 16. Bf6 h6 17. b4 g5 18. Qh5 Ng6 19. Rfe1 Nf4 0-1

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.11"]
[Round "5"]
[White "Ohlson, Cecil"]
[Black "Schuller, Ashley"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1659"]
[BlackElo "1789"]
[PlyCount "77"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 Nc6 7. Bb5 Qd5 8. Qe2 Bd7 9. Bxc6 Bxc6 10. Nf3 Qe4 11. d4 Qxe2+ 12. Kxe2 Be4 13. Rb1 b6 14. Ne1 e6 15. Rf1 c5 16. Rf4 Bd5 17. Ra1 Be7 18. Rg4 g6 19. Bh6 f5 20. exf6 Bxf6 21. Nd3 cxd4 22. cxd4 Rc8 23. Nb4 Bc4+ 24. Ke3 a5 25. Nd3 Bd5 26. Kd2 Rc4 27. c3 Ra4 28. a3 Be7 29. Rb1 Rxa3 30. Rxb6 Ra2+ 31. Ke3 Kd7 32. c4 Bxg2 33. Rxg2 Rxg2 34. Rb7+ Ke8 35. Ne5 Bf6 36. Kf3 Rxh2 37. Rb8+ Ke7 38. Rb7+ Ke8 39. Rb8+ 1/2-1/2

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.10"]
[Round "3"]
[White "Ohlson, Cecil"]
[Black "Bezuidenhout, Lian"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1659"]
[BlackElo "1354"]
[PlyCount "74"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. Bc4 e6 4. a4 Nc6 5. d3 Nf6 6. f4 d5 7. exd5 exd5 8. Ba2 Be7 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Nb4 12. Bb1 0-0 13. Ne2 Re8 14. c3 Nc6 15. 0-0 b5 16. c4 dxc4 17. dxc4 Nd4 18. Nxd4 Qxd4+ 19. Be3 Qxc4 20. Ba2 Qe4 21. Qxe4 Nxe4 22. Bd5 Rad8 23. Bc6 Bf6 24. Bxe8 Rxe8 25. axb5 axb5 26. Ra2 h6 27. Ra5 Ng3 28. Rf3 Rxe3 29. Rxe3 Bd4 30. Ra8+ Kh7 31. Rae8 Nf5 32. Kf2 Nxe3 33. Rxe3 f5 34. g4 fxg4 35. hxg4 g6 36. Kf3 Bxe3 37. Kxe3 h5 0-1

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.10"]
[Round "4"]
[White "Van Schaik, Michael"]
[Black "Ohlson, Cecil"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1552"]
[BlackElo "1659"]
[PlyCount "101"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. Nc3 dxc4 5. g3 Nd7 6. Bg2 Bb4 7. 0-0 Ngf6 8. Qc2 Bxc3 9. Qxc3 b5 10. Qc2 Bb7 11. e4 c5 12. Re1 cxd4 13. Nxd4 a6 14. Bd2 Nc5 15. Nf5 0-0 16. Nh4 Nd3 17. Re2 Qc7 18. h3 Rac8 19. Bc3 e5 20. a3 Rfd8 21. Rf1 a5 22. Bd2 b4 23. axb4 axb4 24. Nf5 Ra8 25. b3 c3 26. Bg5 Ba6 27. Re3 Nc5 28. Rd1 Rxd1+ 29. Qxd1 Rd8 30. Qf3 Ncd7 31. Ne7+ Kf8 32. Nd5 Qd6 33. Re1 Rc8 34. Rd1 Nxd5 35. Rxd5 Qe6 36. Qd1 Ke8 37. Bf3 c2 38. Qa1 Qc6 39. Bc1 f6 40. Bg4 Rc7 41. Kg2 Nc5 42. Rxc5 Qxc5 43. Qxa6 Ra7 44. Qd3 Qd4 45. Qb5+ Kf7 46. Be3 Qc3 47. Qd5+ Kg6 48. Bf5+ Kh5 49. Bg4+ Kg6 50. Bf5+ Kh5 51. Bg4+ 1/2-1/2

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.09"]
[Round "2"]
[White "De Jager, Luan"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1875"]
[BlackElo "1659"]
[PlyCount "45"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Bxc6 bxc6 8. Nxe5 0-0 9. Nc3 d6 10. Nd3 Bb6 11. Bg5 Qe8 12. Qd2 Nxe4 13. Nxe4 Qxe4 14. Rae1 Qg6 15. Be3 Ba6 16. Bxb6 cxb6 17. Re7 Rfe8 18. Rfe1 Rxe7 19. Rxe7 Qf6 20. Qe2 Kf8 21. Re6 Qd4 22. Qf3+ Kg8 23. Qxc6 1-0

[Event "South African op"]
[Site "Cape Town"]
[Date "2022.07.09"]
[Round "1"]
[White "Ohlson, Cecil"]
[Black "Martin, Nico"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1659"]
[BlackElo "1674"]
[PlyCount "43"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. Nxd4 cxd4 7. Ne2 Nf6 8. d3 Bc5 9. Bb3 d5 10. e5 Nd7 11. f4 0-0 12. 0-0 f6 13. exf6 Nxf6 14. Qe1 Ne8 15. Kh1 Nd6 16. Rf3 Qf6 17. g4 Kh8 18. Rh3 e5 19. f5 Nxf5 20. Bxd5 Nd6 21. Rf3 Qe7 22. Bg5 1/2-1/2

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.14"]
[Round "9"]
[White "Baker, Gregory"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1044"]
[BlackElo "1620"]
[PlyCount "70"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 Bb4 7. Bd2 0-0 8. Bd3 d5 9. 0-0 Bxc3 10. Bxc3 Nxe4 11. Bxe4 dxe4 12. Qxd8 Rxd8 13. Rad1 Ba6 14. Rxd8+ Rxd8 15. Re1 f5 16. f4 exf3 17. Re7 Rd1+ 18. Kf2 Rf1+ 19. Kg3 f4+ 20. Kh4 g5+ 21. Kxg5 c5 22. Kf6 Kf8 23. Rxh7 Ke8 24. gxf3 Rxf3 25. Rxc7 Rh3 26. Rxa7 f3 27. Ke6 Rh6+ 28. Bf6 Rxf6+ 29. Kxf6 f2 30. Re7+ Kd8 31. Ke6 f1Q 32. Rd7+ Kc8 33. Rh7 Qc4+ 34. Kd6 Qd4+ 35. Kc6 Qe4+ 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.13"]
[Round "8"]
[White "Ohlson, Cecil"]
[Black "Steyn, Hans"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1620"]
[BlackElo "1840"]
[PlyCount "70"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. d3 b5 7. Bb3 Nxb3 8. axb3 Bb7 9. Ng3 d6 10. 0-0 Nf6 11. f4 Be7 12. Nh5 Qc7 13. f5 Nxh5 14. Qxh5 e5 15. Qg4 Bf6 16. Ne2 c4 17. bxc4 bxc4 18. Nc3 cxd3 19. cxd3 Ke7 20. Kh1 Rhb8 21. Bg5 Bc6 22. Bxf6+ gxf6 23. Rf2 Rb3 24. Rc2 Qb6 25. Rb1 Rb8 26. h4 Rb7 27. Qg8 Rb8 28. Qxh7 Qd4 29. Rbc1 R3b7 30. Na2 Bd7 31. Nc3 Bc6 32. Ne2 Qxd3 33. Rxc6 Qxe2 34. Rc7+ Rxc7 35. Rxc7+ Kd8 1/2-1/2

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.12"]
[Round "7"]
[White "Gabriels, Zaid"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1357"]
[BlackElo "1620"]
[PlyCount "76"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Nbd2 f5 4. Ne5 Nf6 5. e3 Bd6 6. f4 0-0 7. Be2 Ne4 8. 0-0 Nxd2 9. Bxd2 c5 10. c3 Nd7 11. Nxd7 Bxd7 12. Rf3 c4 13. b4 Be8 14. Kh1 h6 15. Rh3 Qf6 16. Be1 g5 17. fxg5 hxg5 18. Bg3 Bxg3 19. Rxg3 Kg7 20. Bh5 Bd7 21. Be2 Rh8 22. Kg1 Kf7 23. Qd2 g4 24. Rf1 Qh4 25. Rxg4 Qxh2+ 26. Kf2 fxg4 27. Ke1+ Ke7 28. e4 Qg3+ 29. Kd1 Ba4+ 30. Kc1 Rag8 31. exd5 exd5 32. Re1 Kd6 33. Rf1 Rf8 34. Re1 Qf4 35. g3 Qxd2+ 36. Kxd2 Rh2 37. Ke3 Re8+ 38. Kd2 Rg2 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.11"]
[Round "6"]
[White "Ohlson, Cecil"]
[Black "Galleid, Stephen"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1620"]
[BlackElo "1578"]
[PlyCount "83"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 f6 7. 0-0 Qc7 8. Qe2 0-0-0 9. Bf4 h6 10. Bg3 f5 11. dxc5 Bxc5 12. b4 Be7 13. Nfd2 Rf8 14. f4 g5 15. a4 gxf4 16. Bxf4 Bg5 17. b5 Na5 18. c4 Qb6+ 19. Qf2 Qxf2+ 20. Rxf2 Bxf4 21. Rxf4 Ne7 22. Rd4 b6 23. Nc3 dxc4 24. Bxc4 Ng6 25. Re1 Nb7 26. Ba2 Rd8 27. Nc4 Rhf8 28. Ne2 Nc5 29. Nd6+ Kb8 30. Ng3 Kc7 31. Nf1 Bc8 32. Nd2 Nxe5 33. Rxe5 Rxd6 34. Rxd6 Kxd6 35. Nc4+ Kc7 36. a5 Rd8 37. Re1 Bb7 38. axb6+ axb6 39. Nxb6 Kxb6 40. Bxe6 Re8 41. Rf1 Rxe6 42. Rxf5 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.10"]
[Round "5"]
[White "Esau, Omar"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1521"]
[BlackElo "1620"]
[PlyCount "68"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 f5 4. Nbd2 Nf6 5. c4 c6 6. a3 a5 7. Bd3 Bd6 8. h3 Ne4 9. cxd5 cxd5 10. Bb5+ Bd7 11. Qe2 Nc6 12. Bxc6 Bxc6 13. Ne5 Qf6 14. Nxc6 bxc6 15. Nxe4 fxe4 16. Qh5+ g6 17. Qg4 Rb8 18. Qe2 0-0 19. Qc2 c5 20. dxc5 Rbc8 21. 0-0 Rxc5 22. Qd2 Qe5 23. g3 Qh5 24. h4 Qg4 25. b4 Rc4 26. bxa5 Rf3 27. Ra2 Bxg3 28. fxg3 Rxg3+ 29. Kh1 Rh3+ 30. Qh2 Rxh2+ 31. Rxh2 e5 32. a6 Ra4 33. Rf6 Qd1+ 34. Rf1 Qxf1# 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.09"]
[Round "4"]
[White "Ohlson, Cecil"]
[Black "Southey, Andrew M"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1620"]
[BlackElo "1756"]
[PlyCount "77"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 Bg7 4. dxc5 Qa5 5. Bd2 Na6 6. Nd5 Qxc5 7. Nf3 e6 8. Bc3 f6 9. Ne3 Ne7 10. Qd2 Nc6 11. a3 Nc7 12. b4 Qe7 13. b5 Nb8 14. Bb4 Qd8 15. Rd1 Kf7 16. Be2 b6 17. 0-0 a5 18. Bd6 Ne8 19. Nc4 Bf8 20. Bxf8 Rxf8 21. Qe3 Ra7 22. Nxb6 Rb7 23. Na4 d6 24. e5 fxe5 25. Nxe5+ Kg7 26. c4 Qc7 27. Nf3 Nd7 28. Nd4 Ne5 29. b6 Qd7 30. Nb5 Qc6 31. c5 Nf7 32. Qc3+ Kg8 33. Qxa5 d5 34. Nd4 Qd7 35. c6 Qd6 36. cxb7 Bxb7 37. Nc5 Bc8 38. b7 Bd7 39. Nxd7 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.08"]
[Round "3"]
[White "Goosen, Pierre"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1427"]
[BlackElo "1620"]
[PlyCount "52"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 c6 4. Bg2 f5 5. 0-0 Nf6 6. c4 Bd6 7. Bg5 Nbd7 8. cxd5 cxd5 9. Nc3 0-0 10. Rc1 a6 11. e3 Qe8 12. Bf4 Bxf4 13. exf4 Ng4 14. h3 Ngf6 15. Re1 Ne4 16. Nd2 Qg6 17. Ncxe4 fxe4 18. Kh2 h5 19. Nf1 h4 20. Re3 Rf5 21. Qg4 hxg3+ 22. Rxg3 Qf6 23. Rgc3 Qf8 24. Kg3 Nf6 25. Qg6 Nh5+ 26. Kg4 Nxf4 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.08"]
[Round "2"]
[White "Ohlson, Cecil"]
[Black "Van Schaik, Michael"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1620"]
[BlackElo "1578"]
[PlyCount "66"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 c6 4. Bb3 e5 5. d3 Be7 6. f4 Bg4 7. Nf3 Nbd7 8. 0-0 Qb6+ 9. Kh1 h6 10. Qe1 exf4 11. Bxf4 g5 12. Be3 Qc7 13. d4 Bh5 14. Bg1 0-0-0 15. e5 dxe5 16. dxe5 Ng4 17. e6 Nde5 18. h3 Nxf3 19. Rxf3 Ne5 20. Re3 f6 21. Bh2 Bd6 22. Ne4 Qe7 23. Qa5 b6 24. Qc3 Qc7 25. Nxf6 Nf3 26. Bxd6 Qxd6 27. gxf3 Bg6 28. e7 Rde8 29. Nxe8 Rxe8 30. Qe5 Qxe5 31. Rxe5 Kc7 32. Rd1 Bh5 33. Kg2 Kc8 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2022.05.07"]
[Round "1"]
[White "Ohlson, Cecil"]
[Black "Lewis, Mark MM"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1620"]
[BlackElo "1875"]
[PlyCount "46"]
[EventDate "2022.05.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 d5 5. Bb5+ c6 6. e5 Qa5+ 7. Nbd2 Qxb5 8. exf6 c5 9. fxg7 Bxg7 10. Nb3 0-0 11. Qd3 Re8+ 12. Kd1 Qxd3+ 13. cxd3 b6 14. Bf4 Bf5 15. Kd2 Nc6 16. Rae1 c4 17. Nc1 b5 18. Nh4 Be6 19. Re2 Bf8 20. Be5 Bh6+ 21. Kd1 Nxe5 22. Rxe5 Bg4+ 23. Re2 Bxc1 0-1

[Event "WchT Seniors 50"]
[Site "Prague"]
[Date "2020.03.12"]
[Round "7.3"]
[White "Berber, Theodor"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1586"]
[BlackElo "1643"]
[PlyCount "50"]
[EventDate "2020.03.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Germany 50 XII"]
[BlackTeam "South Africa 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "RSA"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 Bf5 6. Be2 e6 7. Ngf3 h6 8. Ne5 Nxe5 9. dxe5 Nd7 10. Nf3 g5 11. Bg3 Bg7 12. h3 0-0 13. Bh2 Qc7 14. 0-0 Nxe5 15. Kh1 f6 16. Qb3 Qf7 17. Rad1 c4 18. Qb4 Nd3 19. Bxd3 Bxd3 20. Rfe1 e5 21. Rd2 Rfc8 22. a4 Bf8 23. Qb5 Rc5 24. Qb4 Rc6 25. Qa5 a6 0-1

[Event "WchT Seniors 50"]
[Site "Prague"]
[Date "2020.03.11"]
[Round "6.3"]
[White "Ohlson, Cecil"]
[Black "Berndt, Matthias"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1643"]
[BlackElo "2098"]
[PlyCount "86"]
[EventDate "2020.03.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "South Africa 50"]
[BlackTeam "Germany 50 III"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Nge7 7. 0-0 Ng6 8. Re1 f6 9. Bxg6+ hxg6 10. exf6 gxf6 11. dxc5 Kf7 12. Be3 a5 13. a3 a4 14. Nbd2 Qc7 15. b4 axb3 16. Nxb3 Be7 17. Nbd4 Nd8 18. Nb3 Ba4 19. Rb1 Ra5 20. Bd4 Bxb3 21. Rxb3 Bxc5 22. Ne5+ Kg7 23. Qc2 f5 24. Nxg6+ Bxd4 25. Nxh8 Kxh8 26. Qd2 Bg7 27. Qg5 Kg8 28. Re3 Ra4 29. Rg3 Kf8 30. Qh5 d4 31. Qh4 Rc4 32. Rd3 Qe7 33. Qf4 Rxc3 34. g4 Ke8 35. gxf5 Rxd3 36. Rxd3 e5 37. Qe4 Nf7 38. Rg3 Nd6 39. Qg4 Bf6 40. Qd1 Qh7 41. Rg6 Qf7 42. Qa4+ Ke7 43. Qc2 Qc4 0-1

[Event "WchT Seniors 50"]
[Site "Prague"]
[Date "2020.03.10"]
[Round "5.23"]
[White "Gallinnisova, Vaclava"]
[Black "Ohlson, Cecil"]
[Result "1/2-1/2"]
[ECO "C22"]
[WhiteElo "2027"]
[BlackElo "1643"]
[PlyCount "90"]
[EventDate "2020.03.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic 50 (W) II"]
[BlackTeam "South Africa 50"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Be7 5. Nc3 Nb4 6. Qe2 d6 7. Be3 Nf6 8. 0-0-0 0-0 9. h3 a5 10. g4 Be6 11. a3 Na6 12. f4 Bd7 13. g5 Ne8 14. Nf3 Rb8 15. Nd4 c6 16. Nf5 Bxf5 17. exf5 f6 18. Qf2 b5 19. Ne4 d5 20. gxf6 Nxf6 21. Ng5 Qc8 22. Ne6 Rf7 23. Bd4 b4 24. a4 b3 25. c3 Ne8 26. Rg1 Nac7 27. Nxc7 Nxc7 28. Bd3 Bf6 29. Be5 Qd7 30. Qa7 Ra8 31. Qb7 Rc8 32. Qxb3 c5 33. Bc2 Bxe5 34. fxe5 Rxf5 35. Bxf5 Qxf5 36. Rxd5 Nxd5 37. Qxd5+ Kh8 38. Rd1 h6 39. Qd7 Qf4+ 40. Kb1 Rb8 41. e6 Qe4+ 42. Kc1 Qe3+ 43. Kc2 Qe4+ 44. Kc1 Qe3+ 45. Kc2 Qe4+ 1/2-1/2

[Event "WchT Seniors 50"]
[Site "Prague"]
[Date "2020.03.09"]
[Round "4.23"]
[White "Ohlson, Cecil"]
[Black "Skibbe, Diana"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1643"]
[BlackElo "2008"]
[PlyCount "88"]
[EventDate "2020.03.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "South Africa 50"]
[BlackTeam "Germany 50 (W)"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 Bb6 13. c3 Qe7 14. Nd2 c5 15. Nc2 Nxd2 16. Qxd2 Bc6 17. Qf2 a5 18. Qg3 0-0-0 19. Rfd1 f6 20. exf6 gxf6 21. b4 axb4 22. cxb4 d4 23. bxc5 Rhg8 24. Qh3+ Kb7 25. Ne1 Qxc5 26. Bf2 Qd5 27. Rd3 Qe4 28. Qf3 Qf5 29. Qd1 Qxf4 30. Bg3 Qf5 31. Nf3 Be4 32. Nh4 Qd5 33. Rd2 d3+ 34. Kh1 Ra8 35. a4 Ra5 36. Qf1 f5 37. Rb2 Rga8 38. Qf4 Qd7 39. Nxf5 Bxf5 40. Rc1 Rc8 41. Rc4 Ka7 42. Rcb4 Qc6 43. Rb5 Be4 44. Be1 Rxa4 0-1

[Event "WchT Seniors 50"]
[Site "Prague"]
[Date "2020.03.07"]
[Round "2.19"]
[White "Goldmane, Astra"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2015"]
[BlackElo "1643"]
[PlyCount "89"]
[EventDate "2020.03.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Latvia 50 (W)"]
[BlackTeam "South Africa 50"]
[WhiteTeamCountry "LAT"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Be7 6. Qe2 0-0 7. 0-0 a6 8. a3 d6 9. h3 Be6 10. d3 Re8 11. Bg5 h6 12. Bxf6 Bxf6 13. Nbd2 Bxc4 14. dxc4 Ne7 15. Rfd1 Ng6 16. g3 c5 17. Nf1 b6 18. Ne3 Re6 19. Nh2 Qd7 20. Nd5 Qc6 21. Ng4 Bg5 22. h4 Bd8 23. b5 Qd7 24. a4 a5 25. h5 Nf8 26. Rd3 Nh7 27. Rad1 Ng5 28. Kg2 Nh7 29. Nde3 Be7 30. Nf5 Qc7 31. Nge3 Bf8 32. Nd5 Qb7 33. Qg4 Rd8 34. Qh4 Rd7 35. Qg4 Nf6 36. Nxh6+ Kh7 37. Nxf6+ Rxf6 38. Nf5 g6 39. hxg6+ Rxg6 40. Qh4+ Kg8 41. Rh1 f6 42. Qh8+ Kf7 43. Rh7+ Ke6 44. Rxd7 Qxe4+ 45. Rf3 1-0

[Event "WchT Seniors 50"]
[Site "Prague"]
[Date "2020.03.06"]
[Round "1.24"]
[White "Ohlson, Cecil"]
[Black "Chaloupka, Vladimir"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1643"]
[BlackElo "2058"]
[PlyCount "80"]
[EventDate "2020.03.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "South Africa 50"]
[BlackTeam "Czech Republic 50 V"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "CZE"]

1. e4 c5 2. d3 g6 3. f4 e6 4. Nf3 Bg7 5. Be2 Ne7 6. 0-0 Nbc6 7. Qe1 0-0 8. Kh1 d5 9. Qh4 Nd4 10. Bd1 Nec6 11. Qh3 Nxf3 12. Qxf3 Nd4 13. Qg3 b6 14. c3 Nc6 15. Ba4 Ne7 16. Nd2 f5 17. e5 Bb7 18. Nf3 Qc8 19. Qh4 Nc6 20. Bxc6 Bxc6 21. Ng5 h6 22. Nf3 Qd7 23. d4 Rac8 24. Be3 Bb7 25. g4 Ba6 26. Rf2 Bd3 27. Rg1 Qf7 28. gxf5 Qxf5 29. Nd2 Be4+ 30. Nxe4 Qxe4+ 31. Rfg2 Qxe3 32. Rxg6 Qf3+ 33. R1g2 Rc7 34. Rxh6 Rd7 35. Rh8+ Kf7 36. Rh7 Ke8 37. Qg5 Rff7 38. Qg6 Kd8 39. Qxe6 Qe4 40. Rh4 Qe1+ 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.17"]
[Round "11"]
[White "Meiboom, Gerrit"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1720"]
[BlackElo "1564"]
[PlyCount "50"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. Bb2 Bg7 11. Nd2 Nb4 12. Nf3 c5 13. g3 Bb7 14. Bg2 0-0 15. 0-0 f5 16. Qd2 Rae8 17. a3 Na6 18. Rfe1 f4 19. gxf4 Rf5 20. Ng5 Bxg2 21. Kxg2 Nb8 22. Rad1 Ref8 23. Re4 h6 24. Nh3 Qh4 25. Qe3 Qg4+ 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.15"]
[Round "9"]
[White "Lewis, Mark MM"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1966"]
[BlackElo "1564"]
[PlyCount "125"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 c6 4. Qc2 Bd6 5. Nf3 f5 6. Bg2 Nf6 7. 0-0 Ne4 8. Ne5 Bxe5 9. dxe5 Nd7 10. f3 Qb6+ 11. e3 Ng5 12. Nc3 Nxe5 13. c5 Qxc5 14. f4 Ng4 15. fxg5 Nxe3 16. Qf2 d4 17. Bxe3 dxe3 18. Qe2 Bd7 19. Rae1 0-0 20. Qxe3 Qxe3+ 21. Rxe3 Rad8 22. Na4 Rfe8 23. Nc5 Bc8 24. Nd3 Rd6 25. Rfe1 Red8 26. Ne5 Kf8 27. h4 Bd7 28. h5 Be8 29. g6 hxg6 30. hxg6 Rd1 31. Kf2 Rxe1 32. Kxe1 Ke7 33. Nd3 Rd6 34. Nf4 Kf6 35. g4 Bxg6 36. Nxg6 Kxg6 37. gxf5+ Kxf5 38. Rf3+ Kg6 39. Rf4 Rd7 40. Bh3 Re7 41. Ke2 e5 42. Rf5 Kh6 43. Ke3 g6 44. Rf6 Kg5 45. Rd6 Rh7 46. Bg2 Rh2 47. Kf3 Rh4 48. Ke3 Rh2 49. Rd2 Rh4 50. Rd7 Rh2 51. Kf3 Rh4 52. Ke3 Rh2 53. Rd2 Rh4 54. Rd7 Rh2 55. Kf3 Rh4 56. Rxb7 a5 57. Ke3 Rc4 58. Be4 Rc1 59. Rg7 Ra1 60. a3 Re1+ 61. Kd3 c5 62. Rxg6+ Kh5 63. Rc6 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.14"]
[Round "8"]
[White "Ohlson, Cecil"]
[Black "Galleid, Stephen"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1564"]
[BlackElo "1588"]
[PlyCount "59"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. 0-0 a5 8. Na3 cxd4 9. Nb5 dxc3 10. bxc3 Bc5 11. Rb1 Qd8 12. Be3 Bxe3 13. Nd6+ Ke7 14. fxe3 f6 15. Bb5 Nh6 16. Nxb7 Qb6 17. Nd4 Qc7 18. exf6+ gxf6 19. Qh5 Nxd4 20. Bxd7 Ndf5 21. e4 Kxd7 22. exf5 Nxf5 23. Qf7+ Ne7 24. Rxf6 Ra6 25. Kh1 Qxc3 26. Nc5+ Qxc5 27. Rb7+ Kd8 28. Rb8+ Nc8 29. Rb7 Rd6 30. Qf8+ 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.13"]
[Round "7"]
[White "Southey, Andrew M"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1758"]
[BlackElo "1564"]
[PlyCount "123"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. Nc3 Nf6 5. d3 Nbd7 6. g3 Nb6 7. Bg2 Nbxd5 8. Nxd5 Nxd5 9. 0-0 0-0 10. Re1 f6 11. d4 Bg4 12. c4 Bb4 13. cxd5 Bxe1 14. Qxe1 Re8 15. dxe5 Qxd5 16. Nh4 Qb5 17. Qc3 Rxe5 18. Be3 c6 19. a4 Qa5 20. Qc4+ Be6 21. Qc2 Rd8 22. Nf3 Red5 23. h4 Kh8 24. Ne1 Bf5 25. Qe2 R5d6 26. g4 Bg6 27. h5 Bf7 28. Nf3 Qb4 29. Nh4 Bxh5 30. Bf3 Bf7 31. Nf5 Bc4 32. Qe1 Qxe1+ 33. Rxe1 Re6 34. Rc1 Bb3 35. Nd4 Rxe3 36. fxe3 Bd5 37. Kf2 Bxf3 38. Kxf3 Rd5 39. b4 g6 40. Rc5 Rd7 41. b5 cxb5 42. axb5 a6 43. bxa6 bxa6 44. Rc6 Kg7 45. Rxa6 Rf7 46. Ne6+ Kh6 47. Kf4 Re7 48. Nd4 g5+ 49. Kf3 Kg6 50. Nf5 Rc7 51. Nd6 Re7 52. Ne4 Rf7 53. Ng3 Kg7 54. Nh5+ Kf8 55. Rxf6 Ke7 56. Rxf7+ Kxf7 57. Ke4 Ke6 58. Kd4 Kd6 59. Nf6 h6 60. Nh5 Ke6 61. Ng3 Kf6 62. Kd5 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.12"]
[Round "6"]
[White "Ohlson, Cecil"]
[Black "Pick, Deon D"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1564"]
[BlackElo "1807"]
[PlyCount "104"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. f4 e6 4. Nf3 g6 5. Be2 Bg7 6. 0-0 Nge7 7. Qe1 b6 8. Qh4 d5 9. c3 Ba6 10. c4 dxe4 11. dxe4 Nd4 12. Bd3 Nxf3+ 13. Rxf3 Qd4+ 14. Kh1 Bxc4 15. Bxc4 Qxc4 16. Nd2 Qc2 17. e5 Rd8 18. Qe1 Nd5 19. Ne4 0-0 20. Rf2 Qa4 21. Rf3 Ne7 22. Nc3 Qc6 23. a4 Nf5 24. Be3 Rd3 25. Rd1 Rfd8 26. Rxd3 Rxd3 27. Qe2 Qd7 28. Bc1 Rxf3 29. Qxf3 h5 30. h3 Kf8 31. Be3 Kg8 32. Bg1 Bf8 33. Qa8 Kg7 34. Nb5 a6 35. Qxa6 Qd2 36. Qxb6 Ng3+ 37. Kh2 Qxf4 38. a5 Be7 39. Nd6 Qxe5 40. Ne8+ Kh7 41. a6 Ne2+ 42. Kh1 Nxg1 43. Kxg1 Qe1+ 44. Kh2 Bh4 45. Qc7 Kg8 46. Qf4 Bf2 47. h4 e5 48. Nf6+ Kg7 49. Nxh5+ gxh5 50. Qg5+ Kh7 51. Qxh5+ Kg8 52. Qg5+ Kh7 1/2-1/2

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.10"]
[Round "4"]
[White "Ohlson, Cecil"]
[Black "Solomon, Maxwell"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1564"]
[BlackElo "1999"]
[PlyCount "68"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 g6 2. f4 Bg7 3. d3 c5 4. Nf3 Nc6 5. Be2 d6 6. 0-0 Nf6 7. Qe1 0-0 8. a4 Bd7 9. Kh1 Rc8 10. Qh4 Nd4 11. Bd1 a6 12. Ng5 h6 13. Nh3 c4 14. Be3 cxd3 15. cxd3 Nc2 16. Bxc2 Rxc2 17. Bd4 Ng4 18. Bxg7 Kxg7 19. Qe1 Qb6 20. b4 Qd4 21. Na3 Rc3 22. Nf2 Nxf2+ 23. Rxf2 Rxd3 24. Nc2 Qc3 25. Qe2 Rc8 26. h3 Qc4 27. f5 Rc3 28. Qg4 Rc7 29. f6+ exf6 30. Qf4 Qe6 31. Ne3 Rc1+ 32. Rf1 Rxa1 33. Rxa1 Qe5 34. Rf1 Rc1 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.09"]
[Round "3"]
[White "November, Edwin J"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "C35"]
[WhiteElo "1618"]
[BlackElo "1564"]
[PlyCount "52"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Be7 4. Nf3 Bh4+ 5. Kf1 d5 6. exd5 Bg4 7. c3 Qe7 8. d4 Bxf3 9. gxf3 g5 10. Qe2 Nd7 11. b3 a6 12. Ba3 Qxe2+ 13. Bxe2 0-0-0 14. c4 h5 15. h3 Nh6 16. Bd3 Rde8 17. Nd2 Re3 18. Bc2 Rhe8 19. Ne4 f5 20. Bb4 Rxf3+ 21. Kg2 fxe4 22. Raf1 Rg3+ 23. Kh2 Nf6 24. Rhg1 Rxg1 25. Rxg1 e3 26. Bg6 e2 0-1

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.08"]
[Round "2"]
[White "Ohlson, Cecil"]
[Black "Talmarkes, Andrew Graham"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1564"]
[BlackElo "1591"]
[PlyCount "63"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 Nc6 4. Be2 g6 5. Nf3 Bg7 6. 0-0 Qb6 7. c3 f5 8. Na3 Be6 9. Ng5 Bd7 10. Nc4 Qc7 11. Qb3 h6 12. Nxd6+ Qxd6 13. Qf7+ Kd8 14. Qxg7 hxg5 15. Qxh8 Qe6 16. fxg5 Kc7 17. Bf4+ Kb6 18. b4 c4 19. b5 Nd8 20. Qd4+ Ka5 21. Bc7+ b6 22. Qc5 Bxb5 23. Qa3+ Ba4 24. Qb4+ Ka6 25. Qxa4+ Kb7 26. Bxd8 Rxd8 27. dxc4 Kb8 28. c5 Qe5 29. cxb6 Qc5+ 30. Kh1 axb6 31. Rad1 Rf8 32. Bf3 1-0

[Event "RSA-ch Seniors"]
[Site "Cape Town"]
[Date "2019.12.07"]
[Round "1"]
[White "Willenberg, Glen I"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1644"]
[BlackElo "1564"]
[PlyCount "92"]
[EventDate "2019.12.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. e3 Nf6 5. Ne2 Be7 6. Nbc3 0-0 7. 0-0 Kh8 8. d4 Qe8 9. Nd5 Bd8 10. b3 Nxd5 11. cxd5 e4 12. f3 exf3 13. Bxf3 Bf6 14. Bd2 Bg5 15. Qc1 Na6 16. Re1 Rf7 17. Qc3 Nb8 18. Rac1 Nd7 19. Nf4 Bxf4 20. exf4 Qf8 21. Re3 Nf6 22. Qd3 b6 23. Qe2 a5 24. Qg2 Re7 25. Rce1 Rxe3 26. Rxe3 Bb7 27. h3 Re8 28. Re6 Qf7 29. Qe2 Bc8 30. Rxe8+ Qxe8 31. Qxe8+ Nxe8 32. g4 Nf6 33. g5 Ng8 34. g6 hxg6 35. Be1 Nf6 36. Bh4 Ba6 37. Kf2 Bd3 38. Bg5 Bb1 39. a3 Be4 40. Bxf6 gxf6 41. Ke3 Bxf3 42. Kxf3 Kh7 43. Kg3 Kh6 44. a4 Kh5 45. h4 g5 46. hxg5 fxg5 0-1

[Event "Africa-ch U1700 op"]
[Site "Windhoek"]
[Date "2019.01.03"]
[Round "6.2"]
[White "Campbell, Clarence"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1624"]
[BlackElo "1635"]
[PlyCount "26"]
[EventDate "2018.12.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NAM"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 dxe4 5. Nc4 Nf6 6. Nxd6+ Qxd6 7. Bb5+ Nc6 8. h3 0-0 9. 0-0 Nxd4 10. Ba4 Bxh3 11. c3 Ng4 12. g3 Nf3+ 13. Kh1 Nxf2+ 0-1

[Event "Africa-ch U1700 op"]
[Site "Windhoek"]
[Date "2019.01.03"]
[Round "5.2"]
[White "Ohlson, Cecil"]
[Black "Daniel Franklin, Apolinario Antonio"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1635"]
[BlackElo "1573"]
[PlyCount "53"]
[EventDate "2018.12.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NAM"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 d6 5. Ng5 d5 6. exd5 Qe7+ 7. Be2 h6 8. Nf3 Qd8 9. Nxd4 Nxd5 10. 0-0 Be7 11. Bf3 c5 12. Ne2 Nf6 13. Nbc3 a6 14. Be3 0-0 15. Ne4 Nxe4 16. Bxe4 Qxd1 17. Raxd1 Nd7 18. Bxb7 Ra7 19. Bxc8 Rxc8 20. Rd2 Ne5 21. b3 Rb7 22. c4 f6 23. Rfd1 Kf7 24. Nc3 g5 25. f3 f5 26. Rd5 Bf6 27. Na4 1-0

[Event "Africa-ch U1700 op"]
[Site "Windhoek"]
[Date "2019.01.02"]
[Round "4.1"]
[White "Mpala, Leeroy"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1635"]
[PlyCount "39"]
[EventDate "2018.12.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NAM"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. g3 Bf5 4. Bg2 e6 5. c4 Bxb1 6. Rxb1 Qa5+ 7. Bd2 Qxa2 8. cxd5 Qxd5 9. 0-0 Nc6 10. Bf4 Qd7 11. Qb3 cxd4 12. Rfd1 Bc5 13. Rbc1 Bb6 14. Rxc6 bxc6 15. Ne5 Qc8 16. Bxc6+ Ke7 17. Bg5+ Kd6 18. Qa3+ Kxe5 19. f4+ Kf5 20. Qd3+ 1-0

[Event "Africa-ch U1700 op"]
[Site "Windhoek"]
[Date "2019.01.02"]
[Round "3.2"]
[White "Ohlson, Cecil"]
[Black "Thomo, Lebakeng"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1635"]
[PlyCount "77"]
[EventDate "2018.12.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NAM"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 Nf6 4. Be2 Nc6 5. Nf3 Bg4 6. 0-0 e6 7. Qe1 Be7 8. Kh1 0-0 9. Qg3 Bxf3 10. Bxf3 Nd4 11. Bd1 Nd7 12. c3 Bh4 13. Qh3 Nc6 14. Nd2 Bf6 15. Nf3 b5 16. Bb3 Na5 17. Bc2 a6 18. d4 e5 19. d5 Nc4 20. a4 Ncb6 21. a5 Nc8 22. b4 Ra7 23. Be3 Rc7 24. Rac1 Qe7 25. Ng5 Bxg5 26. fxg5 g6 27. Bd3 Na7 28. Rf3 Rfc8 29. Rcf1 Rf8 30. Rf6 cxb4 31. cxb4 Nc8 32. R1f3 h5 33. Bd2 Nxf6 34. gxf6 Qd7 35. Rf5 Na7 36. Qe3 Qc8 37. Qh6 Rc1+ 38. Rf1 Rxf1+ 39. Bxf1 1-0

[Event "Africa-ch U1700 op"]
[Site "Windhoek"]
[Date "2018.12.31"]
[Round "1.4"]
[White "Ohlson, Cecil"]
[Black "Gaoseb, Manfredo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1635"]
[BlackElo "1273"]
[PlyCount "73"]
[EventDate "2018.12.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NAM"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 Nf6 4. Be2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. a4 Nc6 8. Qe1 Nb4 9. Bd1 a5 10. Kh1 Qb6 11. Na3 Bd7 12. Nc4 Qc7 13. Qh4 b5 14. axb5 Bxb5 15. e5 Bxc4 16. dxc4 Ne8 17. e6 Bf6 18. Ng5 Bxg5 19. fxg5 f5 20. Ra3 h5 21. Bxh5 gxh5 22. Qxh5 Ng7 23. Qg6 Qc8 24. Rh3 Qxe6 25. Qh7+ Kf7 26. Re3 Rh8 27. g6+ Qxg6 28. Rxe7+ Kf6 29. Qxg6+ Kxg6 30. Bd2 Nxc2 31. Rf3 Kf6 32. Rd7 Nd4 33. Re3 Rhd8 34. Rc7 Re8 35. Rg3 Re2 36. Bg5+ Ke6 37. Re7# 1-0

[Event "Western Province-chT"]
[Site "Cape Town"]
[Date "2018.08.11"]
[Round "3"]
[White "Moore, Darren"]
[Black "Ohlson, Cecil"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1251"]
[BlackElo "1665"]
[PlyCount "42"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Cape Town"]
[BlackTeam "Grassy Park"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 0-0 6. c3 d5 7. exd5 Nxd5 8. Re1 Bg4 9. h3 Bh5 10. g4 Bg6 11. Nxe5 Nxe5 12. Rxe5 Bxf2+ 13. Kxf2 Qf6+ 14. Qf3 Qxe5 15. Bxd5 Rfe8 16. Bd2 c6 17. Bb3 Qh2+ 18. Kf1 Bxd3+ 19. Qxd3 Qh1+ 20. Kf2 Qh2+ 21. Kf1 Qh1+ 1/2-1/2

[Event "Western Province-chT"]
[Site "Cape Town"]
[Date "2018.08.04"]
[Round "2"]
[White "Jacobs, Peter John"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1665"]
[PlyCount "55"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Blackjacks"]
[BlackTeam "Grassy Park"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. d4 d5 2. Bf4 c5 3. c3 Nc6 4. e3 Qb6 5. Qb3 c4 6. Qxb6 axb6 7. e4 e6 8. exd5 exd5 9. g3 Nf6 10. Bg2 Be7 11. Nf3 Bf5 12. Nbd2 b5 13. 0-0 b4 14. Rfe1 0-0 15. Ne5 bxc3 16. Nxc6 bxc6 17. bxc3 Ba3 18. Rab1 Rfe8 19. Kf1 Nh5 20. Be5 f6 21. Bc7 Re7 22. Bb8 g6 23. Nxc4 dxc4 24. Bxc6 Ra5 25. Bb5 Rxb5 26. Rxb5 Rxe1+ 27. Kxe1 Bc1 28. a4 1-0

[Event "Western Province-chT"]
[Site "Cape Town"]
[Date "2018.08.04"]
[Round "1"]
[White "Ohlson, Cecil"]
[Black "Fritz, Kaylyn"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1665"]
[BlackElo "1668"]
[PlyCount "71"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Grassy Park"]
[BlackTeam "Western Cape Univ"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 c5 2. d3 Nc6 3. f4 d6 4. Be2 g6 5. Nf3 Bg7 6. 0-0 e6 7. a4 Nge7 8. Qe1 a6 9. Kh1 Nd4 10. Bd1 Nxf3 11. Bxf3 0-0 12. Qh4 Nc6 13. Qh3 Nd4 14. Bd1 b6 15. c3 Nc6 16. Nd2 d5 17. Bb3 d4 18. e5 Ne7 19. Ne4 Nf5 20. Ng5 h6 21. Ne4 Bb7 22. c4 Bc6 23. Bd1 a5 24. Bf3 Rc8 25. g4 Bxe4 26. Bxe4 Ne7 27. f5 exf5 28. gxf5 gxf5 29. Bxf5 Nxf5 30. Qxf5 Rc6 31. Rf3 Rg6 32. Rg3 Qc8 33. Qh5 Qe6 34. Bf4 Re8 35. Re1 Qc6+ 36. Re4 1/2-1/2

[Event "South African op"]
[Site "Durban"]
[Date "2017.07.16"]
[Round "4"]
[White "Ohlson, Cecil"]
[Black "Naidu, Sayen"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1637"]
[BlackElo "1865"]
[PlyCount "56"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Be2 e6 6. 0-0 d5 7. Qe1 Nge7 8. Kh1 a5 9. Nc3 a4 10. a3 0-0 11. Qh4 b6 12. f5 exf5 13. Bh6 f6 14. Bxg7 Kxg7 15. Qf4 d4 16. Nb5 g5 17. Qd2 f4 18. c3 Ba6 19. c4 Ng6 20. Bd1 Bxb5 21. cxb5 Nce5 22. Bc2 Qd7 23. Rab1 h5 24. b4 axb3 25. Rxb3 Ra5 26. Rfb1 Nxf3 27. gxf3 Rfa8 28. Qc1 Nh4 0-1

[Event "South African op"]
[Site "Durban"]
[Date "2017.07.15"]
[Round "3"]
[White "Mafanya, Kulasande"]
[Black "Ohlson, Cecil"]
[Result "0-1"]
[ECO "C35"]
[WhiteElo "1883"]
[BlackElo "1637"]
[PlyCount "70"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. Kf1 d5 6. Bxd5 Nf6 7. Bb3 Bg4 8. d3 0-0 9. Nc3 Nc6 10. Ne2 Nh5 11. c3 Bxf3 12. gxf3 Ne5 13. d4 Nxf3 14. Nxf4 Nxf4 15. Bxf4 Ng5 16. Qg4 Nxe4 17. Be5 Nd2+ 18. Ke2 Bg5 19. Rag1 Nxb3 20. axb3 f6 21. Qe6+ Kh8 22. Rxg5 fxg5 23. h4 Re8 24. Qg4 Qf6 25. Qxg5 Rxe5+ 26. Qxe5 Qg6 27. Rf1 Re8 28. Kd1 Qb1+ 29. Kd2 Qxb2+ 30. Kd3 Rg8 31. h5 h6 32. b4 Qa2 33. Qxc7 Re8 34. d5 Qxd5+ 35. Kc2 Re2+ 0-1

[Event "South African op"]
[Site "Durban"]
[Date "2017.07.15"]
[Round "2"]
[White "Ohlson, Cecil"]
[Black "Nonyana, Reginald"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1637"]
[BlackElo "1467"]
[PlyCount "49"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bd3 Bd7 7. 0-0 cxd4 8. cxd4 Qb6 9. Nbd2 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Be3 Qd8 13. Bc5 Ng6 14. Bxf8 Nxf8 15. Rc1 Bc6 16. Rc3 Nd7 17. Qc2 g6 18. Qd2 Qc7 19. Re1 d4 20. Rc4 Rd8 21. Qh6 Qb8 22. Qg7 Ke7 23. Rxd4 Bxf3 24. Rxd7+ Rxd7 25. Qf6+ 1-0

[Event "South African op"]
[Site "Durban"]
[Date "2017.07.14"]
[Round "1"]
[White "Solomons, Deon"]
[Black "Ohlson, Cecil"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2120"]
[BlackElo "1637"]
[PlyCount "41"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. e4 Nf6 4. Nc3 c6 5. Be2 e6 6. 0-0 Be7 7. Re1 c5 8. e5 Nfd7 9. exd6 Bxd6 10. Ne4 Qc7 11. dxc5 Bxc5 12. Nxc5 Nxc5 13. Qd4 Bf5 14. Bf4 Qb6 15. Be3 Nbd7 16. b4 0-0 17. bxc5 Qc7 18. Bf4 Qc6 19. Ne5 Nxe5 20. Bxe5 Rfd8 21. Bf3 1-0

