[Event "RCC celebrates NastraNas 2.0 Arena"] [Site "https://lichess.org/NGYW6jlP"] [Date "2023.06.17"] [White "Dotun"] [Black "Obidiugwu_joseph"] [Result "0-1"] [UTCDate "2023.06.17"] [UTCTime "20:59:36"] [WhiteElo "2189"] [BlackElo "2018"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+14"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5?! { (0.00 → 0.98) Inaccuracy. Nf6 was best. } { A43 Benoni Defense: Old Benoni } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. e3?! { (0.98 → 0.17) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bc4 Be7 6. Nge2 exd5) 2... cxd4 3. exd4 Nf6 4. Nf3 Nc6?! { (0.17 → 0.91) Inaccuracy. d5 was best. } (4... d5 5. Ne5 Nc6 6. c3 Bf5 7. Bb5 Qb6 8. c4 Nd7 9. Nxd7) 5. c3?! { (0.91 → 0.30) Inaccuracy. d5 was best. } (5. d5 Qa5+ 6. Nc3 Nb4 7. Bc4 e6 8. O-O Nfxd5 9. Bxd5 Nxd5) 5... e5? { (0.30 → 1.50) Mistake. d5 was best. } (5... d5 6. Ne5 Bf5 7. Bb5 Qc8 8. Qa4 Bd7 9. Nxd7 Qxd7 10. Nd2) 6. dxe5 Ng4 7. Bf4 Qb6?! { (1.22 → 1.86) Inaccuracy. Bc5 was best. } (7... Bc5 8. Bg3) 8. Qe2?! { (1.86 → 1.20) Inaccuracy. Qc2 was best. } (8. Qc2 Qc7 9. Bb5 f6 10. Bxc6 dxc6 11. Qe2 Qe7 12. Nbd2 Nxe5 13. Nxe5 fxe5 14. Bxe5 Bg4) 8... Bc5 9. Bg3 O-O 10. b4 Nxb4 11. cxb4 Bxb4+ 12. Nbd2 d6 13. h3? { (1.40 → -0.20) Mistake. a3 was best. } (13. a3 Bc3 14. Rc1 Qb2 15. Qd1 dxe5 16. Qc2 Qxc2 17. Rxc2 Ba5 18. h3 Nf6 19. Rc5 b6) 13... Nxe5 14. Bxe5 dxe5 15. Rb1?? { (-0.17 → -2.89) Blunder. Qe4 was best. } (15. Qe4 g6 16. Rb1 a5 17. Rxb4 Qxb4 18. Qxb4 axb4 19. Bc4 Re8 20. Ng5 Re7 21. O-O Kg7) 15... e4?? { (-2.89 → 2.15) Blunder. Bf5 was best. } (15... Bf5 16. Rxb4 Qxb4 17. Qb5 Qc3 18. Qb3 Rac8 19. Qxc3 Rxc3 20. g4 Bd3 21. Bxd3 Rc1+ 22. Ke2) 16. Ng5?? { (2.15 → -5.93) Blunder. Qxe4 was best. } (16. Qxe4 Bxd2+ 17. Nxd2 Qd8 18. Rb5 Bd7 19. Re5 Bc6 20. Qe3 Re8 21. Rxe8+ Qxe8 22. Qxe8+ Rxe8+) 16... Bxd2+ 17. Qxd2 Qxb1+ 18. Ke2 Be6 19. g4 Rfd8 20. Qa5?? { (-6.88 → Mate in 2) Checkmate is now unavoidable. Nxe6 was best. } (20. Nxe6 Rxd2+ 21. Kxd2 Rc8 22. Nc7 Rxc7 23. Ba6 Qxh1 24. Ke3 Qf3+ 25. Kd4 bxa6 26. Ke5 Qd3) 20... Qd1+ 21. Ke3 h6? { (Mate in 7 → -7.41) Lost forced checkmate sequence. Qd4+ was best. } (21... Qd4+ 22. Kf4 Qxf2+ 23. Nf3 Qxf3+ 24. Ke5 g5 25. Qd2 e3 26. Qd4 Rd5+ 27. Qxd5 Qf4#) 22. Nxe6? { (-7.41 → Mate in 1) Checkmate is now unavoidable. Nxe4 was best. } (22. Nxe4 Qd4+ 23. Kf3 Bd5 24. Qxd5 Qxd5 25. Ba6 bxa6 26. Re1 Qxa2 27. Kg2 Qd5 28. Re3 a5) 22... Qf3# { Black wins by checkmate. } 0-1