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Stockfish 9+wasm
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A04 Zukertort Opening: Black Mustang Defense
1Nf3Nc62Nc3e53d3Nf64e3Bc55Be2O-O6Bd2d67Nd4exd48exd4Bxd49Nb5Bxb210Rb1Be511d4Nxd412Nxd4c513Nb5Qb614Nxd6Qxd615Be3Bc3+16Kf1Qxd1+17Bxd1Rd818Bxc5Ne419Bf3Be620Bxe4Bxa221Rxb7Rd1+22Ke2Rxh123Bd5Bxd524Rb5Bc4+25Kf3Bxb526Bxa7Rxa727g4Rxh228g5Rh3+29Kf4Bd2+30Kf5Bd7+31Ke5Ra5+32Kd6Rxg533Kxd7f534f4Rg435c4Rxf436c5Rc437c6Rxc638Kxc6f439Kd5f340Ke4f241Ke5f1=Q42Ke6Ba543Kd5Qe144Kd4Rc345Kd5Rd3+46Kc6Qc3+47Kb5Rd5+48Ka6Qc6+49Ka7Rd7+50Kb8Qb7#
0-1
Checkmate, Black is victorious
FEN
PGN
[Event "Casual Correspondence game"] [Site "http://chess-academy.net/Vl2Ni1A4"] [Date "2020.07.17"] [Round "-"] [White "Luca_Hirlea"] [Black "Paul_10"] [Result "0-1"] [UTCDate "2020.07.17"] [UTCTime "13:17:11"] [WhiteElo "1662"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. Nc3 e5 3. d3 Nf6 4. e3 Bc5 5. Be2 O-O 6. Bd2 d6 7. Nd4 exd4 8. exd4 Bxd4 9. Nb5 Bxb2 10. Rb1 Be5 11. d4 Nxd4 12. Nxd4 c5 13. Nb5 Qb6 14. Nxd6 Qxd6 15. Be3 Bc3+ 16. Kf1 Qxd1+ 17. Bxd1 Rd8 18. Bxc5 Ne4 19. Bf3 Be6 20. Bxe4 Bxa2 21. Rxb7 Rd1+ 22. Ke2 Rxh1 23. Bd5 Bxd5 24. Rb5 Bc4+ 25. Kf3 Bxb5 26. Bxa7 Rxa7 27. g4 Rxh2 28. g5 Rh3+ 29. Kf4 Bd2+ 30. Kf5 Bd7+ 31. Ke5 Ra5+ 32. Kd6 Rxg5 33. Kxd7 f5 34. f4 Rg4 35. c4 Rxf4 36. c5 Rc4 37. c6 Rxc6 38. Kxc6 f4 39. Kd5 f3 40. Ke4 f2 41. Ke5 f1=Q 42. Ke6 Ba5 43. Kd5 Qe1 44. Kd4 Rc3 45. Kd5 Rd3+ 46. Kc6 Qc3+ 47. Kb5 Rd5+ 48. Ka6 Qc6+ 49. Ka7 Rd7+ 50. Kb8 Qb7# { Black wins by checkmate. } 0-1
         00000000000Luca_Hirlea0
         11111111111Paul_1011
Computer analysis Move times Crosstable FEN & PGN