[Event "Lunes recreativo Arena"] [Site "https://lichess.org/6hjStDTV"] [Date "2023.12.11"] [White "Mathias_Olave"] [Black "Joaquin_Alfaro"] [Result "0-1"] [UTCDate "2023.12.11"] [UTCTime "21:57:37"] [WhiteElo "1011"] [BlackElo "1180"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "180+5"] [ECO "A00"] [Opening "Anderssen's Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. a3 { A00 Anderssen's Opening } e5 2. d3 Bc5?! { (-0.50 → 0.24) Inaccuracy. d5 was best. } (2... d5 3. Nf3 Nc6 4. e4 Nf6 5. Nbd2 a5 6. exd5 Nxd5 7. g3) 3. g3 Nh6?! { (-0.12 → 0.92) Inaccuracy. d5 was best. } (3... d5 4. Bg2 Nf6 5. Nf3 Qe7 6. O-O e4 7. dxe4 dxe4 8. Nd4 O-O 9. b4 Bb6 10. c4) 4. b3?! { (0.92 → -0.03) Inaccuracy. Bxh6 was best. } (4. Bxh6 gxh6 5. c4 c6 6. Nf3 d5 7. Qc2 Qb6 8. e3 d4 9. b4 Be7 10. exd4 exd4) 4... Ng4 5. f3?? { (0.00 → -6.63) Blunder. e3 was best. } (5. e3 d5) 5... Nf2? { (-6.63 → -4.02) Mistake. Bf2+ was best. } (5... Bf2+ 6. Kd2 Ne3 7. Bh3 Nc6 8. Nc3 Nxd1 9. Kxd1 Bd4 10. Bd2 d5 11. Bxc8 Qxc8 12. f4) 6. Qd2 Nxh1 7. e3 Nc6 8. Qg2 Nxg3 9. hxg3 e4?! { (-3.81 → -2.62) Inaccuracy. O-O was best. } (9... O-O 10. Nc3 Re8 11. b4 Bb6 12. Nd5 Ne7 13. Nxb6 axb6 14. Bb2 d5 15. g4 c5 16. Bxe5) 10. fxe4 Ne5?? { (-2.76 → -0.32) Blunder. Qf6 was best. } (10... Qf6) 11. d4 Nf3+?? { (-0.22 → 4.05) Blunder. Bd6 was best. } (11... Bd6 12. dxe5) 12. Qxf3?! { (4.05 → 3.21) Inaccuracy. Nxf3 was best. } (12. Nxf3 Bb6 13. Bb2 d6 14. Nbd2 Qe7 15. a4 Ba5 16. Bd3 Bg4 17. O-O-O Bxd2+ 18. Rxd2 O-O-O) 12... Bb6 13. Qd1? { (3.52 → 1.87) Mistake. Bc4 was best. } (13. Bc4 O-O 14. Ne2 d6 15. Nbc3 Be6 16. Bd3 c5 17. Bd2 Rc8 18. Nd5 Ba5 19. Nef4 Bxd2+) 13... Ba5+?! { (1.87 → 3.19) Inaccuracy. Qg5 was best. } (13... Qg5 14. Kf2 h5 15. Nf3 Qh6 16. a4 c6 17. e5 h4 18. gxh4 d5 19. exd6 Bg4 20. Bd3) 14. b4 Bb6 15. Qd3?! { (3.17 → 2.31) Inaccuracy. Qh5 was best. } (15. Qh5 c6 16. Bd3 Bc7 17. Ne2 h6 18. e5 d6 19. exd6 Bxd6 20. Nbc3 Qg5 21. Qh2 Qe7) 15... Qf6?! { (2.31 → 3.13) Inaccuracy. c6 was best. } (15... c6 16. Nd2 d5 17. Bb2 Qg5 18. O-O-O O-O 19. Ngf3 Qxg3 20. Be2 a5 21. Rg1 Qf2 22. b5) 16. g4?? { (3.13 → -0.30) Blunder. e5 was best. } (16. e5 Qh6 17. c4 c6 18. c5 Bc7 19. Ra2 b6 20. Nf3 Qg6 21. Qxg6 hxg6 22. Nc3 a5) 16... d6?! { (-0.30 → 0.75) Inaccuracy. Qh4+ was best. } (16... Qh4+ 17. Kd1 d6 18. Qe2 Bxg4 19. Nf3 Qg3 20. Nbd2 a5 21. b5 O-O 22. Qg2 Qxg2 23. Bxg2) 17. e5?? { (0.75 → -1.74) Blunder. Qd2 was best. } (17. Qd2 Bxg4 18. Nc3 c6 19. Qg2 h5 20. Be2 Rh6 21. Bb2 Qg5 22. Nd1 Qg6 23. Nh3 Bxe2) 17... Qh4+ 18. Ke2?! { (-1.96 → -3.09) Inaccuracy. Kd2 was best. } (18. Kd2 Qf2+ 19. Be2 Qxg1 20. Qe4 d5 21. Qf4 Qg2 22. Kd3 a5 23. b5 h5 24. gxh5 g6) 18... Bxg4+ 19. Kd2 Qh2+ 20. Ne2 c5?? { (-2.44 → 1.26) Blunder. Qf2 was best. } (20... Qf2 21. c4 Qxf1 22. Nbc3 O-O-O 23. exd6 cxd6 24. a4 Bc7 25. a5 h5 26. b5 Rhe8 27. Kc2) 21. Ra2?? { (1.26 → -3.91) Blunder. Qe4 was best. } (21. Qe4 Be6 22. d5 O-O 23. c4 Bd7 24. Qf4 Qh5 25. exd6 g5 26. Qf6 Bd8 27. Qf2 b6) 21... cxd4?! { (-3.91 → -3.08) Inaccuracy. Qf2 was best. } (21... Qf2 22. exd6 cxd4 23. exd4 Qxf1 24. Qe4+ Be6 25. d5 O-O-O 26. c4 Bf5 27. Qf4 Qxf4+ 28. Nxf4) 22. Qc3?? { (-3.08 → -9.71) Blunder. exd4 was best. } (22. exd4 dxe5) 22... dxc3+ 23. Kxc3 dxe5 24. Kc4 Be6+ 25. Kb5?! { (-10.84 → Mate in 5) Checkmate is now unavoidable. Kc3 was best. } (25. Kc3 Bxa2 26. Kb2 Be6 27. Nec3 O-O 28. Bd2 Rad8 29. Ne4 f5 30. Nc5 Bxc5 31. bxc5 Qf2) 25... Qh5?! { (Mate in 5 → -12.44) Lost forced checkmate sequence. Qh1 was best. } (25... Qh1 26. e4 Qxe4 27. Nd4 Bd7+ 28. Kc4 Ba4 29. Bg2 Qxd4#) 26. Ng3?! { (-12.44 → Mate in 12) Checkmate is now unavoidable. e4 was best. } (26. e4 Qg6 27. Nf4 exf4 28. Ka4 a5 29. c4 axb4+ 30. Kb3 Qg3+ 31. Kb2 Bd4+ 32. Nc3 bxc3+) 26... e4+?? { (Mate in 12 → -5.68) Lost forced checkmate sequence. Qf3 was best. } (26... Qf3 27. Ka4 a6 28. Ne4 Qxe4 29. c4 Qxb1 30. Rb2 Qxc1 31. Kb3 Qxf1 32. Rc2 Bxe3 33. Ka2) 27. Nxh5 Rc8?? { (-5.74 → -0.11) Blunder. Bxa2 was best. } (27... Bxa2 28. Nc3 O-O-O 29. Nxg7 Rhg8 30. Nxa2 Rxg7 31. Ka4 Kb8 32. Bb2 Rg6 33. Bc4 Rc6 34. Kb3) 28. Ng3?? { (-0.11 → Mate in 1) Checkmate is now unavoidable. Nxg7+ was best. } (28. Nxg7+ Ke7 29. Nxe6 fxe6 30. c4 Rhf8 31. Be2 Rf5+ 32. Ka4 h5 33. c5 Bc7 34. Nc3 h4) 28... Bd7# { Black wins by checkmate. } 0-1