[Event "Lagos South West op"]
[Site "Lagos"]
[Date "2023.07.12"]
[Round "2"]
[White "Olisa, Tennyson"]
[Black "Erhumwunse, Osatohamwe Emmanuel"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2161"]
[BlackElo "1916"]
[PlyCount "143"]
[EventDate "2023.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NGR"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d3 Nbd7 6. Nf3 0-0 7. 0-0 c6 8. Ne1 Rb8 9. Rb1 b5 10. Bxc6 bxc4 11. dxc4 Ne5 12. Bg2 Nxc4 13. Qa4 Be6 14. Qxa7 Nd7 15. Nd1 Nc5 16. Bg5 Re8 17. b3 h6 18. Be3 Bf5 19. Rc1 Nxe3 20. Nxe3 Be4 21. Bxe4 Nxe4 22. Rc2 Ra8 23. Qb7 Nc3 24. Nd3 Rxa2 25. Rxa2 Nxa2 26. h4 Nc3 27. Re1 Qb8 28. Qd7 Qc8 29. Qa7 Bf6 30. Nf4 Qb8 31. Qd7 Rd8 32. Qg4 Qxb3 33. Nxg6 fxg6 34. Qxg6+ Kf8 35. Qxh6+ Ke8 36. Qh5+ Qf7 37. Qxf7+ Kxf7 38. Kg2 Ra8 39. Ng4 Ra2 40. Kf3 e5 41. e4 Ke6 42. Re3 Nd1 43. Rd3 Nb2 44. Rc3 Ra7 45. Ne3 Rf7 46. Nf5 Na4 47. Rc6 Be7 48. g4 Nc5 49. Ke3 Rh7 50. Kf3 Kd7 51. Rb6 Kc7 52. Rb1 Kd7 53. g5 Bxg5 54. hxg5 Rh3+ 55. Kg4 Rh2 56. f3 Nd3 57. Rb7+ Kc6 58. Ra7 Rg2+ 59. Kh5 Nf4+ 60. Kh6 Rh2+ 61. Kg7 Rg2 62. Kf6 Nh5+ 63. Kg6 Nf4+ 64. Kh6 Rh2+ 65. Kg7 Rg2 66. Ra6+ Kc7 67. Rxd6 Rxg5+ 68. Kf6 Rxf5+ 69. exf5 Kxd6 70. Kg7 Nh5+ 71. Kg6 Ng3 72. f6 1/2-1/2

