[Event "Torneo primaria Jauja"] [Site "https://lichess.org/IIvKZW76"] [Date "2021.07.27"] [White "A62062283CARLOS"] [Black "A74783848ORIANA"] [Result "1-0"] [UTCDate "2021.07.27"] [UTCTime "23:38:13"] [WhiteElo "1438"] [BlackElo "1272"] [WhiteRatingDiff "+48"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "360+0"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. Nc3?! { (0.67 → 0.00) Inaccuracy. d4 was best. } (2. d4 d5 3. c4 e6 4. e3 Be7 5. Nbd2 Nf6 6. Bd3 O-O) 2... h5? { (0.00 → 1.40) Mistake. d5 was best. } (2... d5 3. d4 Bf5 4. e3 e6 5. Bd3 Nf6 6. Bxf5 exf5 7. Ne2) 3. d4?! { (1.40 → 0.43) Inaccuracy. e4 was best. } (3. e4 e5 4. d4 exd4 5. Nxd4 Be7 6. Bf4 d6 7. Qd2 Nxd4 8. Qxd4 Bf6 9. Qd2 Bxc3) 3... a5?? { (0.43 → 2.56) Blunder. d5 was best. } (3... d5 4. e4 dxe4 5. Nxe4 Bf5 6. Bd3 Nb4 7. c4 Nxd3+ 8. Qxd3 Qd7 9. Ne5 Qe6 10. Qf3) 4. e4 g5?? { (2.48 → 5.02) Blunder. d6 was best. } (4... d6 5. Bb5 Bd7 6. Bg5 g6 7. Qe2 Nf6 8. e5 Nh7 9. e6) 5. Bxg5 b5?! { (5.26 → 7.34) Inaccuracy. Bg7 was best. } (5... Bg7 6. Qd2) 6. Nxb5 Ra6 7. Nc3 Rb6 8. a4?! { (6.48 → 4.96) Inaccuracy. Bb5 was best. } (8. Bb5) 8... f6 9. Bh4 Rh6 10. d5 Nb4 11. Ra3 c6 12. Ne2? { (6.65 → 3.51) Mistake. Be2 was best. } (12. Be2 e6) 12... cxd5 13. exd5 Nxd5?! { (3.48 → 4.74) Inaccuracy. e6 was best. } (13... e6 14. c4 Na6 15. Rb3 Rxb3 16. Qxb3 Nc5 17. Qc2 Ne7 18. Nc3 Ng6 19. Nb5 Nxh4 20. Nxh4) 14. Qxd5 e6 15. Qd1 Rxb2 16. Qc1?? { (4.55 → -5.55) Blunder. Re3 was best. } (16. Re3 Ne7) 16... Qb6?? { (-5.55 → 4.15) Blunder. Bxa3 was best. } (16... Bxa3 17. Nd2 Qc7 18. c3 Ba6 19. Qa1 Qc5 20. Ng3 Bb7 21. Bb5 Bxg2 22. Nge4 Bxe4 23. Nxe4) 17. c4?? { (4.15 → -8.12) Blunder. Ra1 was best. } (17. Ra1 Rg6) 17... Rg6? { (-8.12 → -4.37) Mistake. Bxa3 was best. } (17... Bxa3) 18. c5?! { (-4.37 → -6.08) Inaccuracy. Ra1 was best. } (18. Ra1 Rg4) 18... Qc6?? { (-6.08 → 8.69) Blunder. Qb4+ was best. } (18... Qb4+ 19. Qc3) 19. Qxb2 f5 20. Qc2 d6 21. cxd6?? { (13.86 → -2.94) Blunder. Nf4 was best. } (21. Nf4 Kf7 22. Bb5 Qc7 23. Nxg6 Kxg6 24. Be8+ Kh7 25. Ng5+ Kh8 26. Nf7+ Kh7 27. Rg3 Qxc5) 21... Bxd6?? { (-2.94 → 97.19) Blunder. Qxc2 was best. } (21... Qxc2) 22. Qxc6+ Bd7 23. Qxd6 Nf6 24. Qd1?! { (Mate in 4 → 28.26) Lost forced checkmate sequence. Ne5 was best. } (24. Ne5 Bc6 25. Rb3 Bd7 26. Rb8+ Bc8 27. Rxc8#) 24... Nd5 25. Rb3 Bxa4?! { (33.48 → Mate in 7) Checkmate is now unavoidable. Bc8 was best. } (25... Bc8 26. Rb8) 26. Qd3?! { (Mate in 7 → 26.08) Lost forced checkmate sequence. Rb8+ was best. } (26. Rb8+ Kf7 27. Qxa4 Nf6 28. Qc6 Rg5 29. Nxg5+ Kg7 30. Qxe6 Ne8 31. Rxe8 a4 32. Rg8#) 26... Bd7?! { (26.08 → Mate in 8) Checkmate is now unavoidable. Bxb3 was best. } (26... Bxb3 27. Qxb3) 27. Rb8+ Kf7 28. Bg3?! { (Mate in 7 → 28.03) Lost forced checkmate sequence. Ne5+ was best. } (28. Ne5+ Kg7 29. Nxg6 Be8 30. Ne5 Kf8 31. Qg3 Ne7 32. Nf4 Ng6 33. Qxg6 a4 34. Nxe6#) 28... f4?! { (28.03 → Mate in 7) Checkmate is now unavoidable. Rg4 was best. } (28... Rg4) 29. Bh4 Bc8 30. Rxc8 e5 31. Nxe5+ Kg7 32. Rc7+ Nxc7 33. Qd7+ Kh6 34. Qxc7 Ra6 35. Qb7 Rd6 36. Nf7+ Kg7 37. Nxd6+ Kg6 38. Ne4 Kf5 39. Nd6+ Ke5 40. Nf7+ Ke6 41. Nd8+ Kd6 42. Nf7+ Kc5 43. Kd2 Kc4 44. g3 fxg3 45. hxg3 Kc5 46. Bh3 Kc4 47. Rc1# { White wins by checkmate. } 1-0