[Event "South West Zonal Tournament 2022"] [Site "Osun State"] [Date "2022.04.14"] [Round "2"] [White "Udochukwu, Odinaka Joshua"] [Black "Iheanyichukwu, Godswill"] [Result "0-1"] [GameId "TsWbGdut"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A50"] [Opening "Slav Indian"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 { [%eval 0.17] } 1... Nf6 { [%eval 0.19] } 2. c4 { [%eval 0.18] } 2... c6 { [%eval 0.23] } { A50 Slav Indian } 3. Nc3 { [%eval 0.25] } 3... d5 { [%eval 0.2] } 4. f3?! { (0.20 → -0.43) Inaccuracy. Nf3 was best. } { [%eval -0.43] } (4. Nf3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 b6 8. Bd3 Bb7) 4... dxc4 { [%eval -0.42] } 5. e4 { [%eval -0.55] } 5... b5 { [%eval -0.39] } 6. Nge2 { [%eval -0.83] } 6... e6 { [%eval -0.79] } 7. Bg5?! { (-0.79 → -1.52) Inaccuracy. g4 was best. } { [%eval -1.52] } (7. g4 Be7 8. Bg2 b4 9. Na4 O-O 10. O-O Nbd7 11. g5 Nh5) 7... Be7 { [%eval -1.42] } 8. a4 { [%eval -1.75] } 8... b4 { [%eval -1.45] } 9. Nb1 { [%eval -1.7] } 9... a5?! { (-1.70 → -1.10) Inaccuracy. Ba6 was best. } { [%eval -1.1] } (9... Ba6 10. Nd2 c5 11. Rc1 Nfd7 12. Bxe7 Qxe7 13. Ng3 c3 14. bxc3 bxc3 15. Rxc3) 10. Nd2 { [%eval -0.89] } 10... Ba6 { [%eval -0.92] } 11. Rc1 { [%eval -0.99] } 11... c3 { [%eval -0.77] } 12. bxc3 { [%eval -0.9] } 12... bxc3 { [%eval -0.47] } 13. Nb3 { [%eval -0.94] } 13... Ba3 { [%eval -1.07] } 14. Rc2 { [%eval -1.18] } 14... Bc4?! { (-1.18 → -0.21) Inaccuracy. Qb6 was best. } { [%eval -0.21] } (14... Qb6 15. Nbc1 c5 16. Be3 O-O 17. dxc5 Bxc5 18. Bxc5 Qxc5 19. Nxc3 Rc8 20. Bb5) 15. Ra2?? { (-0.21 → -2.94) Blunder. Nbc1 was best. } { [%eval -2.94] } (15. Nbc1 Na6) 15... Bb2?! { (-2.94 → -1.75) Inaccuracy. Bb4 was best. } { [%eval -1.75] } (15... Bb4 16. Qc2 c5 17. e5 Bxb3 18. Qxb3 Qd5 19. Nc1 O-O 20. h4 Qxb3 21. Nxb3) 16. Nec1 { [%eval -1.81] } 16... Bxf1 { [%eval -1.86] } 17. Rxf1 { [%eval -1.76] } 17... Na6 { [%eval -1.76] } 18. Nd3 { [%eval -1.76] } 18... Nb4 { [%eval -1.97] } 19. Nxb4 { [%eval -1.77] } 19... axb4 { [%eval -1.97] } 20. e5 { [%eval -2.61] } 20... h6?! { (-2.61 → -1.80) Inaccuracy. Qd5 was best. } { [%eval -1.8] } (20... Qd5 21. exf6 Qxg5 22. fxg7 Qxg7 23. Qe2 O-O 24. Qe4 e5 25. dxe5 Kh8 26. f4) 21. exf6 { [%eval -1.79] } 21... hxg5 { [%eval -1.82] } 22. fxg7 { [%eval -1.81] } 22... Rg8 { [%eval -1.93] } 23. Kf2 { [%eval -1.75] } 23... Rxg7 { [%eval -1.72] } 24. Qd3?! { (-1.72 → -2.69) Inaccuracy. a5 was best. } { [%eval -2.69] } (24. a5 Rh7 25. Kg1 Rh6 26. a6 e5 27. Ra5 Kf8 28. Rxe5 c2 29. Qd2 Bc3) 24... Qd5 { [%eval -2.81] } 25. Qc2 { [%eval -2.45] } 25... g4 { [%eval -2.6] } 26. Re1?! { (-2.60 → -3.70) Inaccuracy. f4 was best. } { [%eval -3.7] } (26. f4 O-O-O 27. Re1 f6 28. a5 Kb8 29. a6 Ba3 30. Re2 Ka7 31. Ra1 Rd6) 26... gxf3 { [%eval -3.09] } 27. g3 { [%eval -3.42] } 27... f6 { [%eval -3.42] } 28. Qe4?! { (-3.42 → -4.37) Inaccuracy. Re4 was best. } { [%eval -4.37] } (28. Re4 O-O-O 29. Rh4 Kb8 30. a5 Ba3 31. Ra1 Ka7 32. Re1 e5 33. Rh5 c5) 28... Qxb3 { [%eval -4.49] } 29. Qxc6+ { [%eval -4.05] } 29... Kf7 { [%eval -4.27] } 30. Qb7+ { [%eval -4.85] } 30... Kg6 { [%eval -4.48] } 31. Qe4+ { [%eval -4.52] } 31... f5 { [%eval -4.25] } 32. Qxa8 { [%eval -4.91] } 32... Qxa2 { [%eval -4.65] } 33. Qe8+ { [%eval -4.86] } 33... Kf6 { [%eval -4.25] } 34. Qd8+ { [%eval -4.4] } 34... Re7 { [%eval -5.02] } 35. Qh8+ { [%eval -5.15] } 35... Kf7 { [%eval -5.25] } 36. Qh5+ { [%eval -5.51] } 36... Kg7 { [%eval -5.33] } 37. Qg5+ { [%eval -6.15] } 37... Kf8 { [%eval -5.88] } 38. Qf6+ { [%eval -6.27] } 38... Ke8 { [%eval -6.27] } 39. Qh8+ { [%eval -6.22] } 39... Kd7 { [%eval -5.73] } 40. Qa8?! { (-5.73 → -8.38) Inaccuracy. Qb8 was best. } { [%eval -8.38] } (40. Qb8 Ba3+ 41. Kxf3 Qd5+ 42. Kf2 c2 43. Qa7+ Ke8 44. Qb8+ Qd8 45. Qb5+ Kf7) 40... Ba1+ { [%eval -8.26] } 41. Kxf3 { [%eval -7.26] } 41... Qd2?! { (-7.26 → -4.99) Inaccuracy. Qd5+ was best. } { [%eval -4.99] } (41... Qd5+ 42. Qxd5+ exd5 43. Rxa1 c2 44. Kf2 b3 45. Rc1 b2 46. Rxc2 b1=Q 47. Re2) 42. Qb7+ { [%eval -5.15] } 42... Ke8 { [%eval -5.34] } 43. Qb5+?! { (-5.34 → -6.96) Inaccuracy. Qc8+ was best. } { [%eval -6.96] } (43. Qc8+ Kf7 44. Rxa1 c2 45. Qh8 b3 46. Qh7+ Ke8 47. Qg8+ Kd7 48. Qb8 Qd3+) 43... Kf7 { [%eval -6.7] } 44. Qe5 { [%eval -7.57] } 44... b3 { [%eval -6.99] } 45. Re2 { [%eval -8.44] } 45... Qd1 { [%eval -8.08] } 46. g4 { [%eval -8.19] } 46... Qf1+ { [%eval -8.04] } 47. Rf2 { [%eval -8.98] } 47... Qh3+ { [%eval -8.7] } 48. Ke2 { [%eval -9.82] } 48... Qxg4+ { [%eval -9.47] } 49. Kd3 { [%eval -12.24] } 49... b2 { [%eval -14.63] } 50. Kc2?! { (-14.63 → Mate in 6) Checkmate is now unavoidable. Rf1 was best. } { [%eval #-6] } (50. Rf1 Qh3+ 51. Ke2 Qg2+ 52. Ke3 Qxf1 53. Qb5 f4+ 54. Ke4 b1=Q+ 55. Qxb1 Qxb1+) 50... f4?? { (Mate in 6 → 0.78) Lost forced checkmate sequence. b1=Q+ was best. } { [%eval 0.78] } (50... b1=Q+ 51. Kxb1 Qd1+ 52. Ka2 Qxa4+ 53. Kb1 Qd1+ 54. Ka2 Ra7+ 55. Qa5 Rxa5#) 51. Qe4?? { (0.78 → Mate in 5) Checkmate is now unavoidable. Rxf4+ was best. } { [%eval #-5] } (51. Rxf4+ Qf5+) 51... Qf5?? { (Mate in 5 → 1.27) Lost forced checkmate sequence. b1=Q+ was best. } { [%eval 1.27] } { Black wins. } (51... b1=Q+ 52. Kxb1 Qd1+ 53. Ka2 Qxa4+ 54. Kb1 Qd1+ 55. Ka2 Ra7#) 0-1