[Event "II Open Nacional Univ. 2023 Arena"] [Site "https://lichess.org/0Qz4qEkR"] [Date "2023.05.29"] [White "David_Mendoza_UNAAA"] [Black "HALion_222"] [Result "1-0"] [UTCDate "2023.05.29"] [UTCTime "02:52:03"] [WhiteElo "1823"] [BlackElo "1765"] [WhiteRatingDiff "+27"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "240+0"] [ECO "B03"] [Opening "Alekhine Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nf6 2. e5 Nd5 3. d4 { B03 Alekhine Defense } Nb6 4. Nf3 d5?! { (0.74 → 1.67) Inaccuracy. d6 was best. } (4... d6 5. a4 a5 6. Nc3 Na6 7. Bxa6 bxa6 8. exd6 exd6 9. O-O) 5. a4 a5 6. c3 e6 7. Ke2?! { (1.26 → 0.27) Inaccuracy. Bd3 was best. } (7. Bd3 c5 8. O-O Bd7 9. Re1 h6 10. Be3 c4 11. Bc2 Nc6 12. Na3 Bxa3 13. Rxa3 Ne7) 7... c5 8. Ke1 Nc6 9. Bb5 Be7 10. Ke2?! { (0.20 → -0.47) Inaccuracy. h4 was best. } (10. h4 cxd4) 10... O-O 11. Re1 cxd4 12. cxd4 Nb4?! { (-0.36 → 0.38) Inaccuracy. Bb4 was best. } (12... Bb4) 13. Kf1 Bd7 14. Nc3 Rc8 15. Bd2? { (0.38 → -0.74) Mistake. Re2 was best. } (15. Re2) 15... h6?! { (-0.74 → 0.26) Inaccuracy. Bxb5+ was best. } (15... Bxb5+ 16. Nxb5 Nc2 17. Bxa5 Nxa1 18. Qxa1 h6 19. Kg1 Ra8 20. b4 Rxa5 21. bxa5 Nc4 22. Qc3) 16. Kg1?! { (0.26 → -0.67) Inaccuracy. Re2 was best. } (16. Re2 Bxb5) 16... Bxb5 17. Nxb5 Nd3 18. Re3? { (-0.13 → -1.25) Mistake. Bxa5 was best. } (18. Bxa5 Nxb2 19. Qb3 N2c4 20. Bc3 Ra8 21. Reb1 Nc8 22. Nd2 Na5 23. Bxa5 Qxa5 24. Qc3 Nb6) 18... Nxb2 19. Qb3 N2c4 20. Rc3 Nxd2 21. Nxd2 Rxc3 22. Qxc3 Bb4 23. Qd3 Qg5 24. Nf3 Qe7 25. Rc1? { (-1.36 → -3.01) Mistake. g3 was best. } (25. g3) 25... Nc4? { (-3.01 → -1.30) Mistake. Nxa4 was best. } (25... Nxa4 26. Rc7 Qd8 27. Qc2 Nb6 28. Rxb7 Nc4 29. Na7 Qa8 30. Rd7 a4 31. g4 a3 32. g5) 26. h3 Rd8 27. g3 Nb2 28. Qb3 Nc4 29. Kg2 f6?! { (-1.33 → -0.70) Inaccuracy. Rc8 was best. } (29... Rc8) 30. Rc2 fxe5 31. Nxe5 Nxe5 32. dxe5 Qg5?! { (-0.85 → -0.22) Inaccuracy. Bc5 was best. } (32... Bc5) 33. f4? { (-0.22 → -1.62) Mistake. Qe3 was best. } (33. Qe3) 33... Qg6 34. Rc7? { (-1.77 → -3.17) Mistake. Rf2 was best. } (34. Rf2 Qe4+ 35. Kh2 Rc8 36. Qd1 Qe3 37. Kg2 Rc1 38. Qe2 Qxe2 39. Rxe2 Rd1 40. Rf2 Bc5) 34... b6? { (-3.17 → -1.28) Mistake. d4 was best. } (34... d4) 35. Qc2? { (-1.28 → -2.71) Mistake. Rc6 was best. } (35. Rc6 Qe4+ 36. Qf3 Qb1 37. Qf1 Qb3 38. Nd4 Qxa4 39. Rc7 Bd6 40. Rxg7+ Kxg7 41. Nxe6+ Kg8) 35... Bc5?? { (-2.71 → Mate in 8) Checkmate is now unavoidable. Qxc2+ was best. } (35... Qxc2+ 36. Rxc2) 36. Qxg6 Bf8 37. Qxe6+ Kh8 38. Nd6 d4 39. Nf7+ Kh7 40. Qf5+ Kg8 41. Nxh6+ Kh8 42. Nf7+ Kg8 43. Ng5 d3 44. Qh7# { White wins by checkmate. } 1-0