[Event "I Olimpíada CTXB - 6ª Divisão"] [Site "https://lichess.org/7mJT1bgS"] [Date "2021.04.06"] [White "MarceloDelbue"] [Black "Kaw3"] [Result "0-1"] [UTCDate "2021.04.06"] [UTCTime "23:53:36"] [WhiteElo "899"] [BlackElo "1124"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+19"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 { C20 King's Pawn Game } 2. g4?? { (0.21 → -1.84) Blunder. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7) 2... Nc6?! { (-1.84 → -0.94) Inaccuracy. d5 was best. } (2... d5 3. h3 dxe4 4. Nc3 h5 5. gxh5 Nc6 6. Nxe4 Nf6 7. d3) 3. f3?? { (-0.94 → -6.15) Blunder. Nc3 was best. } (3. Nc3 Nge7 4. Bg2 Ng6 5. Nf3 Nd4 6. h3 Bc5 7. d3 d6) 3... Bc5? { (-6.15 → -3.77) Mistake. Qh4+ was best. } (3... Qh4+ 4. Ke2 Nd4+ 5. Kd3 d5 6. b3 dxe4+ 7. Kc3 exf3 8. Nxf3) 4. Bc4?? { (-3.77 → -9.17) Blunder. Ne2 was best. } (4. Ne2 Qh4+) 4... Nh6?? { (-9.17 → -2.10) Blunder. Qh4+ was best. } (4... Qh4+) 5. Nc3?? { (-2.10 → Mate in 3) Checkmate is now unavoidable. Kf1 was best. } (5. Kf1 Ng8) 5... O-O?? { (Mate in 3 → -0.79) Lost forced checkmate sequence. Qh4+ was best. } (5... Qh4+ 6. Ke2 Qf2+ 7. Kd3 Nb4#) 6. d3?? { (-0.79 → -2.76) Blunder. h4 was best. } (6. h4) 6... Kh8?? { (-2.76 → -0.87) Blunder. Qh4+ was best. } (6... Qh4+ 7. Kd2 Nd4 8. Qf1 c6 9. Bb3 d5 10. Qe1 Nxb3+ 11. cxb3 Bf2 12. Qe2 f5 13. gxf5) 7. Nh3?? { (-0.87 → -6.48) Blunder. h4 was best. } (7. h4 Nd4) 7... f6?? { (-6.48 → -0.75) Blunder. Qh4+ was best. } (7... Qh4+ 8. Kd2 Qxh3 9. Qf1 Qh4 10. Nd5 b5 11. Bxb5 Nd4 12. b4 Bd6 13. Bc4 c6 14. c3) 8. Nb5?? { (-0.75 → -2.99) Blunder. Nf2 was best. } (8. Nf2 Ne7) 8... d6?! { (-2.99 → -2.18) Inaccuracy. a6 was best. } (8... a6) 9. Bd5 Nb4 10. c3? { (-2.86 → -4.60) Mistake. Bc4 was best. } (10. Bc4 f5) 10... Nxd5 11. Qa4?! { (-4.71 → -7.82) Inaccuracy. d4 was best. } (11. d4 Bb6) 11... a6 12. exd5 Bd7 13. Qa5 axb5 14. b4 Rxa5 15. bxa5 b6 16. a6 Qa8 17. a4 Qxa6 18. Bb2 bxa4 19. O-O-O a3 20. Bxa3 Qxa3+ 21. Kc2?! { (-23.20 → Mate in 2) Checkmate is now unavoidable. Kd2 was best. } (21. Kd2 Qa2+) 21... Ba4+ 22. Kd2 Bxd1?! { (Mate in 5 → -21.63) Lost forced checkmate sequence. Qb2+ was best. } (22... Qb2+ 23. Ke1 Bxd1 24. Nf4 exf4 25. Kxd1 Ra8 26. Ke1 Ra1#) 23. Rxd1 Qa2+?! { (Mate in 7 → -21.27) Lost forced checkmate sequence. Qb2+ was best. } (23... Qb2+ 24. Ke1 Ra8 25. Rd2 Ra1+ 26. Ke2 Qb1 27. d4 Qf1+ 28. Ke3 Re1+ 29. Re2 Qxe2#) 24. Ke1 f5 25. Rd2?! { (-18.34 → Mate in 9) Checkmate is now unavoidable. g5 was best. } (25. g5 Nf7) 25... Qa1+ 26. Rd1 Qxc3+ 27. Rd2 Bb4 28. Ke2 Qxd2+ 29. Kf1 Ra8 30. Ng5 Ra1# { Black wins by checkmate. } 0-1