FEN
[Event "MrCohenOS Arena"]
[Site "https://cohenchessclub.com/grDbH10D"]
[Date "2022.12.20"]
[White "Justin2"]
[Black "Pierce"]
[Result "0-1"]
[UTCDate "2022.12.20"]
[UTCTime "00:20:31"]
[WhiteElo "1311"]
[BlackElo "1454"]
[WhiteRatingDiff "-9"]
[BlackRatingDiff "+11"]
[BlackTitle "IM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D00"]
[Opening "Blackmar-Diemer Gambit: Gedult Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. e4? { (0.38 → -0.71) Mistake. c4 was best. } (2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6) 2... dxe4 3. f3 { D00 Blackmar-Diemer Gambit: Gedult Gambit } exf3 4. gxf3?? { (-0.75 → -3.84) Blunder. Nxf3 was best. } (4. Nxf3 Nf6 5. Nc3 g6 6. Bf4 Bg7 7. Qd2 O-O 8. h3 Be6 9. Bh6 Bd5 10. Ne5 Nbd7) 4... h5?? { (-3.84 → -1.45) Blunder. e5 was best. } (4... e5) 5. Bb5+?! { (-1.45 → -2.21) Inaccuracy. Bg5 was best. } (5. Bg5 Nc6) 5... c6 6. Bc4 Bg4?? { (-2.34 → 5.08) Blunder. b5 was best. } (6... b5 7. Bb3 e6 8. Be3 Nf6 9. Nc3 a5 10. a4 b4 11. Ne4 Nxe4 12. fxe4 Qh4+ 13. Kd2) 7. fxg4 hxg4 8. Ne2? { (5.29 → 2.81) Mistake. Qxg4 was best. } (8. Qxg4 Nf6 9. Qe2 b5 10. Bd3 Qxd4 11. Nf3 Qb4+ 12. Nc3 Nbd7 13. a3 Qd6 14. Bg5 e6) 8... b5 9. Bb3 a5 10. Nec3?? { (3.46 → -0.31) Blunder. a4 was best. } (10. a4) 10... a4 11. Bxa4?? { (-0.61 → -2.42) Blunder. Be6 was best. } (11. Be6 Nf6) 11... bxa4 12. Nxa4?? { (-2.19 → -8.03) Blunder. Qxg4 was best. } (12. Qxg4) 12... Qa5+?? { (-8.03 → -1.10) Blunder. Rxa4 was best. } (12... Rxa4) 13. c3?? { (-1.10 → -7.53) Blunder. Nbc3 was best. } (13. Nbc3 Nf6) 13... Qh5?? { (-7.53 → -2.50) Blunder. Qxa4 was best. } (13... Qxa4 14. Qxg4 Nd7 15. Qf3 Ngf6 16. O-O Rh5 17. Nd2 e6 18. Ne4 Rf5 19. Qxf5 exf5 20. Nxf6+) 14. Nb6 Ra6 15. Nc8?? { (-1.65 → -7.01) Blunder. Qb3 was best. } (15. Qb3 Qh4+ 16. Kd1 g3 17. Be3 Qg4+ 18. Kc1 Rxh2 19. Rg1 Ra7 20. Nc4 Nd7 21. Nbd2 Ngf6) 15... Qh4+ 16. Kd2 Qg5+ 17. Kd3 Qf5+ 18. Ke3 Qxc8 19. Rf1 Qe6+ 20. Kf4? { (-9.84 → Mate in 7) Checkmate is now unavoidable. Kf2 was best. } (20. Kf2 Rxh2+ 21. Kg1 Rh3 22. Qc2 Nd7 23. Na3 Ngf6 24. Nb5 cxb5 25. Qg2 Qc6 26. Qxc6 Rxc6) 20... f6? { (Mate in 7 → -9.91) Lost forced checkmate sequence. Rh3 was best. } (20... Rh3 21. Qxg4 Qd6+ 22. Ke4 Nf6+ 23. Rxf6 Qd5+ 24. Kf4 g5+ 25. Qxg5 Qf3+ 26. Ke5 Nd7#) 21. Re1 g5+ 22. Kg3 Qd6+ 23. Kxg4?! { (-13.21 → Mate in 11) Checkmate is now unavoidable. Re5 was best. } (23. Re5 fxe5) 23... Rh4+ 24. Kf5 Nh6+ 25. Kg6 Rxh2?! { (Mate in 3 → -17.83) Lost forced checkmate sequence. f5+ was best. } (25... f5+ 26. Kh7 Ng4+ 27. Kg8 Nf6#) 26. Re3?! { (-17.83 → Mate in 5) Checkmate is now unavoidable. d5 was best. } (26. d5 Nd7) 26... c5?! { (Mate in 5 → -18.48) Lost forced checkmate sequence. Qd5 was best. } (26... Qd5 27. Rxe7+ Kxe7 28. Qe1+ Kd7 29. Qe6+ Qxe6 30. Bf4 Qf7#) 27. Qe1?! { (-18.48 → Mate in 4) Checkmate is now unavoidable. Qb3 was best. } (27. Qb3 Nd7) 27... Ng8 28. Re6 Rh6+ 29. Kf5 Nd7?? { (Mate in 6 → -2.63) Lost forced checkmate sequence. Qd5+ was best. } (29... Qd5+ 30. Kg4 Qg2+ 31. Qg3 Rh4+ 32. Kf5 Qc2+ 33. Qd3 Qxd3+ 34. Re4 Qxe4#) 30. Rxd6 Rxd6 31. Bxg5?? { (-2.86 → -7.12) Blunder. Kg4 was best. } (31. Kg4 cxd4) 31... fxg5 32. Qg1 Rdf6+?! { (-10.66 → -5.60) Inaccuracy. Ngf6 was best. } (32... Ngf6) 33. Kxg5?? { (-5.60 → Mate in 3) Checkmate is now unavoidable. Ke4 was best. } (33. Ke4 Rh3 34. Kd5 cxd4 35. Qxg5 Nh6 36. Qg2 Rhf3 37. a4 Rf2 38. Qh3 Rxb2 39. cxd4 Nf7) 33... Rfg6+?! { (Mate in 3 → -11.92) Lost forced checkmate sequence. Rhg6+ was best. } (33... Rhg6+ 34. Kh4 Rxg1 35. dxc5 Rh6#) 34. Kf5 Rxg1 35. dxc5 Nxc5 36. a4?! { (-14.62 → Mate in 3) Checkmate is now unavoidable. Kf4 was best. } (36. Kf4 Rhh1) 36... Rf6+ 37. Ke5 Rd1 38. a5?! { (-13.24 → Mate in 3) Checkmate is now unavoidable. b4 was best. } (38. b4) 38... Re6+ 39. Kf5 Rf1+ 40. Kg4 Ref6 41. Kg3 Rg6+ 42. Kh2 Rf5 43. Kh3 Rh5# { Black wins by checkmate. } 0-1