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Subject: 60...Rh4 is also a winning move---Chezzz had a winning position

Author: K. Burcham

Date: 12:54:58 01/21/02

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On January 21, 2002 at 11:00:13, David Rasmussen wrote:

> [D] 8/1R5P/8/p7/2k1pK2/2p5/8/7r b - - 0 60
>
>Chezzz eventually moved Rh4+, which lead to a draw. It considered c2, but
>rejected it. What is the best move here, and can black win? The game history
>might be important too, I don't know. Here's the game:
>
>[Event "ICC 60 10 u"]
>[Site "Internet Chess Club"]
>[Date "2002.01.20"]
>[Round "-"]
>[White "Sjeng"]
>[Black "Chezzz"]
>[Result "1/2-1/2"]
>[ICCResult "Game drawn by mutual agreement"]
>[WhiteElo "2492"]
>[BlackElo "2362"]
>[Opening "Queen's pawn: English defense"]
>[ECO "A40"]
>[NIC "QO.17"]
>[Time "13:23:40"]
>[TimeControl "3600+10"]
>
>1. d4 b6 2. e4 Bb7 3. f3 e6 4. Nc3 Bb4 5. Ne2 d5 6. a3 Be7 7. Nf4 dxe4 8.
>fxe4 Nf6 9. Bb5+ c6 10. Be2 O-O 11. O-O a5 12. e5 Nd5 13. Ncxd5 exd5 14. Nh5
>Bc8 15. Qe1 Bh4 16. Nf6+ Qxf6 17. exf6 Bxe1 18. fxg7 Kxg7 19. Rxe1 Bf5 20.
>c4 dxc4 21. Bxc4 Nd7 22. Bd2 Rae8 23. d5 cxd5 24. Bxd5 Nf6 25. Bc3 Kg6 26.
>Bb3 Ne4 27. Bd4 Nc5 28. Bxc5 bxc5 29. Ba4 Rxe1+ 30. Rxe1 Rb8 31. Re2 Kf6 32.
>Kf2 Bd3 33. Rd2 Be4 34. Ke3 Ke5 35. Bd1 f5 36. g3 c4 37. Re2 Rd8 38. Bc2 Rb8
>39. Ba4 h5 40. Kf2 h4 41. gxh4 Rh8 42. Bc2 Rxh4 43. Bxe4 fxe4 44. Kg3 Rh8
>45. h4 Kd4 46. Rd2+ Ke3 47. Rd7 Rg8+ 48. Kh3 Rb8 49. h5 Rxb2 50. h6 Rb6 51.
>h7 Rh6+ 52. Kg4 c3 53. Kg5 Rh1 54. Rc7 Kd2 55. Rd7+ Kc1 56. Rf7 Kb2 57. Rb7+
>Kxa3 58. Rc7 Kb3 59. Rb7+ Kc4 60. Kf4 Rh4+ 61. Kg3 Rh6 62. Kf4 Kd5 63. Rc7
>Rh5 64. Kg4 Rh1 65. Rxc3 Rxh7 66. Ra3 Ra7 67. Ra4 Ke5 68. Kg3 Kf5 69. Kf2
>Kf4 70. Ke2 Ra6 71. Kf2 Ra7 72. Ke2 Ra6 73. Kf2 Ra8 74. Ke2 Ra7 75. Kf2 Ra8
>76. Ke2 Ra7 77. Kf2 Ra6 78. Ke2 Rh6 79. Rxa5 Rh2+ 80. Kd1
>{Game drawn by mutual agreement}
>1/2-1/2


this is a won position with black.
60...c2 or 60...Rh4  wins
 [D] 8/1R5P/8/p7/2k1pK2/2p5/8/7r b - -
60... Rh4+ 61. Kg3  Rh6 62. Kf4 c2 63. Rc7+  Kd3 64. Rd7+ Kc3
65. Rc7+  Kd2   66. Rd7+ Kc1 67. Ra7 a4  68. Ke3 a3  69. Ke2 a2
70. Kf2  Rxh7  71. Ra4


  [D] 8/7r/8/8/R3p3/8/p1p2K2/2k5 b - -
 12.01	 0:00 	  +M13	71...a1Q 72.Rxa1+ Kd2 73.Kg3 c1Q 74.Rxc1 (280.014) 663.5
 13.01	 0:10 	  +M13	71...a1Q 72.Rxa1+ Kd2 73.Kg3 c1Q 74.Rxc1 (9.137.933) 842.6



60...c2 61.Rc7+ Kd3 62.Rd7+ Ke2 63.Rc7 Rxh7 64.Rxc2+ Kd3 65.Rc6 e3
66.Rd6+ Ke2 67.Kg3 a4 68.Rc6 a3 69.Rc1 Kd2 70.Ra1 Rc7 71.Kf3 e2
72.Ra2+ Rc2
[D] 8/8/8/8/8/p4K2/R1rkp3/8 w - - 0 1
73.Kf4--
  -+  (-18.15)   Depth: 12/20   00:00:01  619kN, tb=70
73.Kf4 e1Q 15.Rb2 Qe4+
  -+  (-#11)   Depth: 12/27   00:00:57  33968kN, tb=1058
73.Kg4!
  -+  (-#13)   Depth: 12/27   00:01:16  44835kN, tb=1730
73.Kg4 Rxa2
  -+  (-#14)   Depth: 12/27   00:01:22  48006kN, tb=1924
73.Ke4!
  -+  (-#15)   Depth: 12/27   00:01:33  54000kN, tb=2537
73.Kg2!
  -+  (-#16)   Depth: 12/27   00:01:37  55851kN, tb=2981
73.Kg3!
  -+  (-#17)   Depth: 12/27   00:01:40  57674kN, tb=3296
73.Ra1!
  -+  (-#19)   Depth: 12/27   00:01:45  60529kN, tb=3894
73.Ra1 e1Q 15.Rc1 Rxc1
  -+  (-#22)   Depth: 12/29   00:02:25  82372kN, tb=6999
73.Rb2!
  -+  (-#23)   Depth: 12/29   00:03:43  125659kN, tb=89

the wrong move is 62...Kd5
8/1R5P/7r/p7/2k1pK2/2p5/8/8 b - - 0 3

kburcham





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