[Event "2023 Spring Marathon"] [Site "https://lichess.org/z0a8qYNb"] [Date "2023.04.15"] [White "Skro_OL"] [Black "donmiguelnajdorf"] [Result "1-0"] [UTCDate "2023.04.15"] [UTCTime "19:35:11"] [WhiteElo "1798"] [BlackElo "2268"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "120+0"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { A02 Bird Opening } c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O Nf6 6. Nc3 O-O 7. d3 d5 8. e4 dxe4 9. dxe4 a6? { (0.26 → 1.58) Mistake. Qxd1 was best. } (9... Qxd1 10. Rxd1 e5 11. Nxe5 Nxe5 12. fxe5 Ng4 13. Nd5 Nxe5 14. Ne7+ Kh8 15. Nxc8 Raxc8 16. a4) 10. e5 Nd7 11. Be3 e6 12. Qe2 Qc7 13. Rad1 b6 14. Ne4 Bb7 15. Nd6 Rfd8? { (2.33 → 3.98) Mistake. Rab8 was best. } (15... Rab8 16. h4 Ne7 17. Nxb7 Rxb7 18. Ng5 Rbb8 19. Qxa6 c4 20. Bf2 Rfd8 21. Ne4 Bf8 22. Rxd7) 16. b3? { (3.98 → 2.27) Mistake. Ng5 was best. } (16. Ng5 Rf8 17. Qg4 Bh6 18. Nxe6 Ndxe5 19. Qxg6+ hxg6 20. Nxc7 Ra7 21. Nd5 Ng4 22. Nxb7 Rxb7) 16... Rab8? { (2.27 → 4.04) Mistake. h6 was best. } (16... h6 17. h4 Rab8 18. h5 Nf8 19. Nh4 Ba8 20. hxg6 fxg6 21. Qxa6 g5 22. Nf3 Ne7 23. Qe2) 17. Rd2? { (4.04 → 2.00) Mistake. Nxf7 was best. } (17. Nxf7 Kxf7 18. Ng5+ Kg8 19. Nxe6 Qc8 20. Nxd8 Nxd8 21. Bh3 Qc6 22. Bxd7 Qh1+ 23. Kf2 Qxh2+) 17... a5? { (2.00 → 3.90) Mistake. Ne7 was best. } (17... Ne7 18. Rfd1) 18. Rfd1?! { (3.90 → 2.53) Inaccuracy. Ng5 was best. } (18. Ng5 Nf8 19. Ngxf7 Rd7 20. Nxb7 Rxd2 21. Qxd2 Qxb7 22. Nd6 Qd7 23. h4 Ne7 24. Qe2 Nf5) 18... Ba8?! { (2.53 → 3.86) Inaccuracy. h6 was best. } (18... h6 19. h4 Nf8 20. h5 Ba8 21. hxg6 Nxg6 22. Nh2 Nce7 23. Bxa8 Rxa8 24. Qh5 Nf5 25. Nxf5) 19. Ng5 Ne7? { (4.04 → 6.48) Mistake. Nf8 was best. } (19... Nf8 20. Ngxf7 Rd7 21. Ng5 h6 22. Nb5 Rxd2 23. Rxd2 Qe7 24. Ne4 Rd8 25. a4 Rxd2 26. Qxd2) 20. Ngxf7 Bxg2 21. Qxg2 Rf8 22. Ng5 Rfe8 23. Nxe6 Qa7 24. Nxg7 Kxg7 25. h4?! { (9.04 → 6.22) Inaccuracy. Nxe8+ was best. } (25. Nxe8+ Rxe8 26. Rxd7 Qc7 27. Rxc7 b5 28. Qh3) 25... Nf8 26. h5 gxh5 27. Qh3 Neg6 28. Nxe8+ Rxe8 29. Qxh5 Qe7 30. Qg5 c4 31. Qxe7+ Rxe7 32. bxc4 Rc7 33. Bxb6 Rc5?! { (5.63 → 11.39) Inaccuracy. Rxc4 was best. } (33... Rxc4 34. Be3 Ne7 35. Rb1 Nf5 36. Bf2 Ne6 37. Rb7+ Kg6 38. Rb6 Kf7 39. g4) 34. Bxc5 { Black resigns. } 1-0