Black to play and win.

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Analysis of sgolde20 (1273) vs. john2001plus (1781)

1 2 3 4 5 6 7 8 h g f e d c b a 0

(black to move) 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Bg5 h6 8. Bxf6 Qxf6 9. Nc3 c6 10. Re1 Bg4 11. Be2 Nd7 12. Nd2 Bxe2 13. Nxe2 Rfe8 14. Nf3 Nf8 15. c3 Ng6 16. Ng3 Nh4 17. Nxh4 Qxh4 18. Qd2 f5 19. h3 Bxg3 20. fxg3 Qxg3 21. Rf1 Rf8 22. Rf3 Qg5 23. Qf2 Rae8 24. Rf1 g6 25. h4 Qg4 26. Rf4 Qe2 27. Qg3 Qe3+ 28. Qxe3 Rxe3 29. h5 g5 30. Rxf5 Rxf5 31. Rxf5 Kg7 32. Rf3 Rxf3 33. gxf3 Kf6 34. Kf2 Kf5 35. Kg3 a6 36. b3 a5 37. b4 a4 38. a3 b6 39. Kg2 Kf4 40. Kf2 g4 41. fxg4 Kxg4 42. Ke3 b5 43. Kf2 Kxh5 44. Kf3 Kg5 45. Kg3 h5 46. Kh3 h4 47. Kh2 Kg4 48. Kg2 h3+ 49. Kh2 Kh4 50. Kg1 Kg3 51. Kh1 h2 52. c4 bxc4 53. b5 c3 54. bxc6 c2 55. c7 c1=Q#

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Click here for 36... b6.