[Event "IU Qualification tournament"] [Site "https://lichess.org/mhC2TZxG"] [Date "2022.03.20"] [White "NSD13"] [Black "Mo_hamad77"] [Result "0-1"] [UTCDate "2022.03.20"] [UTCTime "18:38:21"] [WhiteElo "1137"] [BlackElo "1328"] [WhiteRatingDiff "-83"] [BlackRatingDiff "+68"] [Variant "Standard"] [TimeControl "300+2"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nc6 { B00 Nimzowitsch Defense } 2. Na3?! { (0.46 → -0.57) Inaccuracy. d4 was best. } (2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be2 f6 6. f4 g5) 2... Nf6 3. g4?? { (-0.72 → -2.71) Blunder. d3 was best. } (3. d3 d5 4. exd5 Nxd5 5. Nc4 e5 6. Nf3 f6 7. c3 Bc5) 3... e5?! { (-2.71 → -1.74) Inaccuracy. d5 was best. } (3... d5 4. e5 Nxe5 5. g5 Ne4 6. d3 Nd6 7. d4 Nc6 8. Bg2 e6 9. Nf3 h6 10. gxh6) 4. g5?? { (-1.74 → -5.65) Blunder. d3 was best. } (4. d3 Bb4+ 5. c3 Bxa3 6. bxa3 d5 7. g5 Ng8 8. Be3 Qd6 9. Ne2 Nge7 10. Bg2 dxe4) 4... Nxe4 5. Qf3 Nxg5 6. Qg3 Be7 7. f4?! { (-5.89 → -10.31) Inaccuracy. h4 was best. } (7. h4 Ne6) 7... exf4 8. Qxf4 Ne6 9. Qf3 Bf6 10. Nc4 Bh4+ 11. Kd1 d5 12. Ne3 Ng5 13. Qg2 d4 14. Nc4 Bg4+?? { (-9.30 → 4.10) Blunder. Qe7 was best. } (14... Qe7 15. c3 Be6 16. Kc2 Rd8 17. b3 Bf5+ 18. Kb2 O-O 19. Ne2 Rfe8 20. Ng3 Bg4 21. Ne3) 15. Be2?? { (4.10 → -7.46) Blunder. Qxg4 was best. } (15. Qxg4) 15... Bf3?? { (-7.46 → 5.03) Blunder. Be6 was best. } (15... Be6) 16. Bxf3? { (5.03 → 2.56) Mistake. Nxf3 was best. } (16. Nxf3 Nxf3 17. Bxf3 O-O 18. d3 Re8 19. Rf1 Ne5 20. Nxe5 Rxe5 21. Bf4 Re6 22. Bxb7 Rb8) 16... Nxf3 17. Qxf3 b5?? { (1.75 → 9.61) Blunder. O-O was best. } (17... O-O) 18. Ne2?? { (9.61 → 2.82) Blunder. Qxc6+ was best. } (18. Qxc6+ Kf8 19. Ne5 Qe8 20. Qe4 d3 21. Ngf3 Bf6 22. Nd7+ Qxd7 23. Qxa8+ Bd8 24. cxd3 f6) 18... bxc4?? { (2.82 → 7.22) Blunder. O-O was best. } (18... O-O 19. Qxc6) 19. Rf1?? { (7.22 → -3.88) Blunder. Qxc6+ was best. } (19. Qxc6+ Kf8) 19... Ne5 20. Nxd4?? { (-4.04 → -10.30) Blunder. Qe4 was best. } (20. Qe4) 20... Nxf3 21. Rxf3 Qxd4 22. c3 Qe4 23. Rf1 Qg2 24. d4?! { (-13.34 → Mate in 2) Checkmate is now unavoidable. Rf4 was best. } (24. Rf4 Bg5 25. Rxc4 Qf1+ 26. Kc2 Qxc4 27. d3 Qd5 28. Bxg5 Qxg5 29. Re1+ Qe7 30. Rd1 Qe2+) 24... Rd8?! { (Mate in 2 → -15.29) Lost forced checkmate sequence. Qxf1+ was best. } (24... Qxf1+ 25. Kc2 Qd3#) 25. Re1+ Kf8 26. a4?! { (-16.81 → Mate in 6) Checkmate is now unavoidable. Re3 was best. } (26. Re3 Bg5) 26... Qf2?! { (Mate in 6 → -15.19) Lost forced checkmate sequence. Qf3+ was best. } (26... Qf3+ 27. Re2 Re8 28. Be3 Rxe3 29. Kc2 Qe4+ 30. Kd1 Rxe2 31. Rb1 Qc2#) 27. b4?! { (-15.19 → Mate in 7) Checkmate is now unavoidable. Re3 was best. } (27. Re3 Qf1+) 27... Qxe1+?! { (Mate in 7 → -25.36) Lost forced checkmate sequence. Rxd4+ was best. } (27... Rxd4+ 28. cxd4 Qxe1+ 29. Kc2 Qe4+ 30. Kb2 Qe2+ 31. Bd2 Qxd2+ 32. Kb1 c3 33. Ra2 Qd1#) 28. Kc2 Qe2+?! { (Mate in 6 → -39.63) Lost forced checkmate sequence. Re8 was best. } (28... Re8 29. Kb1 Bg5 30. Ka2 Bxc1 31. Rb1 Qd2+ 32. Ka1 Qxc3+ 33. Rb2 Qxb2#) 29. Kb1 Re8 30. b5 Re3?! { (Mate in 4 → -38.84) Lost forced checkmate sequence. Qd3+ was best. } (30... Qd3+ 31. Ka2 Qc2+ 32. Bb2 Qb3+ 33. Kb1 Re1#) 31. Ba3+?! { (-38.84 → Mate in 5) Checkmate is now unavoidable. Bxe3 was best. } (31. Bxe3 Qxe3) 31... c5 32. Bxc5+ Ke8 33. Ra2 Qe1+ 34. Kb2 Re2+ 35. Ka3 Qxc3# { Black wins by checkmate. } 0-1