Advantage of An Outside Passed Pawn

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The Importance of Diagonals

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[Event "Karlsbad"]
[Site "Karlsbad"]
[Date "1929.08.10"]
[Round "9"]
[White "Yates, Frederick"]
[Black "Marshall, Frank James"]
[Result "1/2-1/2"]
[ECO "D38"]
[PlyCount "124"]
[EventDate "1929.07.31"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "CZE"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. Bg5 Bb4 6. e3 c5 7. cxd5 exd5 8.
Bd3 cxd4 9. exd4 O-O 10. O-O h6 11. Nxd5 hxg5 12. Nxb4 a5 13. Nc2 Nd5 14. Re1
Nf4 15. Ne3 g4 16. Nxg4 Nc5 17. Nge5 Ncxd3 18. Nxd3 Ne6 19. Nc5 Nxc5 20. dxc5
Qc7 21. Qd4 Rd8 22. Qh4 Bf5 23. Re5 Bg6 24. Qg3 Rac8 25. Rae1 Qc6 26. h4 Rd5
27. h5 Bxh5 28. Nh4 Rxe5 29. Rxe5 Bg6 30. Nxg6 Qxg6 31. Qh3 Rd8 32. Rh5 Kf8 33.
Rh8+ Ke7 34. Qe3+ Qe6 35. Qg5+ Qf6 36. Qxf6+ gxf6 37. Rxd8 Kxd8 38. Kh2 Kd7 39.
Kg3 Kc6 40. Kf4 Kxc5 41. Kf5 b5 42. Kxf6 Kc4 43. Kxf7 Kd3 44. g4 Kc2 45. g5
Kxb2 46. g6 Kxa2 47. g7 b4 48. g8=Q a4 49. Ke6 b3 50. Kd5 b2 51. Kd4+ Ka3 52.
Qf8+ Kb3 53. Qf3+ Ka2 54. Qd5+ Ka3 55. Qc5+ Ka2 56. Qc4+ Ka3 57. Qd3+ Ka2 58.
Kc4 b1=Q 59. Qxb1+ Kxb1 60. Kb4 Kb2 {Great was White’s suprise when Black,
instead of playing the expected 3…Kc2; played 3…Kb2; occupying another
diagonal from where he can reach White’s f-pawn, because White must lose a
move capturing Black’s rook pawn, which otherwise, protected by its King at b2
would reach the queening square.} 61. Kxa4 Kc3 62. f4 Kd4 1/2-1/2

[/pgn]

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