[Event "F3 Regional de Ajedrez R. Ríos"] [Site "https://lichess.org/DCc4JenV"] [Date "2021.10.30"] [White "S11_OscarPena"] [Black "S11_MateoBarrientos"] [Result "0-1"] [UTCDate "2021.10.30"] [UTCTime "13:54:01"] [WhiteElo "1011"] [BlackElo "1280"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C21"] [Opening "Center Game Accepted"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. d4 exd4 { C21 Center Game Accepted } 3. e5? { (0.00 → -1.26) Mistake. Nf3 was best. } (3. Nf3 Bb4+ 4. Nbd2 Nc6 5. Bd3 Nge7 6. O-O Bc5 7. Nb3 d6) 3... Bb4+ 4. c3 dxc3 5. bxc3 Ba5 6. e6?? { (-1.17 → -3.40) Blunder. Qg4 was best. } (6. Qg4 Ne7) 6... dxe6 7. Bd2?! { (-3.43 → -5.29) Inaccuracy. Qc2 was best. } (7. Qc2 Nf6) 7... Nf6 8. Qa4+ Bd7?? { (-5.74 → 1.76) Blunder. Nc6 was best. } (8... Nc6) 9. Qxa5 O-O 10. Qc5 Re8 11. c4? { (1.73 → 0.54) Mistake. Nf3 was best. } (11. Nf3 e5 12. Be2 b6 13. Qa3 e4 14. Nd4 c5 15. Nc2 Bg4 16. Bb5 Nbd7 17. Ne3 Bh5) 11... e5 12. Bb4?? { (0.56 → -6.25) Blunder. Nc3 was best. } (12. Nc3 Nc6) 12... e4?? { (-6.25 → -0.40) Blunder. Nc6 was best. } (12... Nc6 13. Bc3 Nd4 14. Bxd4 exd4+ 15. Be2 d3 16. Nc3 dxe2 17. Ngxe2 Ne4 18. Nxe4 Rxe4 19. Rd1) 13. f3?? { (-0.40 → -11.11) Blunder. Bc3 was best. } (13. Bc3) 13... exf3+ 14. Kd1 fxg2 15. Bxg2 Na6 16. Qb5 Bxb5+ 17. Bd5 Nxd5 18. cxd5 Qxd5+ 19. Bd2 Qxh1 20. Be3?! { (-30.72 → Mate in 6) Checkmate is now unavoidable. Kc2 was best. } (20. Kc2 Ba4+) 20... Rxe3 21. Kd2 Qxh2+ 22. Kxe3 Qxg1+ 23. Kd2 Re8 24. Nc3 Rd8+ 25. Kc2 Re8?! { (Mate in 5 → -10.51) Lost forced checkmate sequence. Qxa1 was best. } (25... Qxa1 26. a3 Nc5 27. a4 Nxa4 28. Nd5 Rxd5 29. Kb3 Qb2#) 26. Rxg1 Nb4+ 27. Kb3 c6 28. Kxb4 Bd3 29. Rd1 Be2?! { (-8.90 → -5.45) Inaccuracy. Bf5 was best. } (29... Bf5) 30. Re1?! { (-5.45 → -7.82) Inaccuracy. Nxe2 was best. } (30. Nxe2 h5 31. Nd4 g5 32. Rf1 Re5 33. Kc4 Kg7 34. Rb1 c5 35. Nf3 Rf5 36. Nd2 h4) 30... b6?! { (-7.82 → -4.89) Inaccuracy. c5+ was best. } (30... c5+ 31. Kxc5 Bb5 32. Rxe8+ Bxe8 33. Kd4 Bc6 34. Ke5 f6+ 35. Ke6 h5 36. Ne2 h4 37. Ng1) 31. Rf1? { (-4.89 → -14.76) Mistake. Nxe2 was best. } (31. Nxe2) 31... a5+ 32. Ka4 Bxf1 33. Nd1 Bb5+ 34. Kb3 h5 35. Nf2?! { (-19.38 → Mate in 12) Checkmate is now unavoidable. Nc3 was best. } (35. Nc3 h4) 35... a4+ 36. Kb4 h4 37. Nh3 Re3 38. Nf2 Re2 39. Ng4 h3 40. a3 h2 41. Kc3 h1=Q 42. Kd4 Re4+ 43. Kc3 Qf3+ 44. Kd2 Re2+ 45. Kd1 Qf1# { Black wins by checkmate. } 0-1