Author: Kurt Utzinger
Date: 10:14:41 04/17/03
Go up one level in this thread
There is no need for the corresponding EGTB's but only some endgame knowledge
would help the engine to easily win this end game. Below some analysis
Kurt
[Event "?"]
[Site "?"]
[Date "2003.04.17"]
[Round "1"]
[White "KnightDreamer v3.1b"]
[Black "Movei00_79997"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "351"]
[EventDate "2003.??.??"]
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O Nd7 7. Nxd7 Bxd7 8.
c4 c6 9. cxd5 cxd5 10. Qh5 Bc6 11. f3 Nf6 12. Re1+ Kf8 13. Qh4 Qb6 14. Nc3 Kg8
15. Rb1 h6 16. Be3 Bd7 17. f4 Re8 18. Kh1 Bb4 19. Qg3 Ng4 20. Bg1 Rxe1 21. Rxe1
Nf6 22. Re2 Bxc3 23. bxc3 Qd6 24. Qe3 Qa3 25. Qe5 Qxc3 26. Bf5 Bxf5 27. Qxf5 a6
28. Rc2 g6 29. Rxc3 gxf5 30. Rc7 b5 31. Rc6 Kg7 32. Rxa6 Rc8 33. h3 Nh5 34. Rb6
Rc2 35. Rxb5 Nxf4 36. a4 Ra2 37. a5 Kg6 38. Be3 Nxg2 39. Bc1 Ne1 40. Bf4 Ra1
41. Kh2 Nf3+ 42. Kg2 Nxd4 43. Rxd5 Ra2+ 44. Kf1 Ne6 45. Bd2 Ng5 46. h4 Ne4 47.
Be1 f4 48. h5+ Kf6 49. Rd4 Ng3+ 50. Bxg3 fxg3 51. Rd3 Rxa5 52. Kg2 Rxh5 53.
Kxg3 Rc5 54. Rd8 Kf5 55. Rb8 Rc3+ 56. Kh4 Rc1 57. Rf8 f6 58. Kg3 Rc3+ 59. Kh4
Rc2 60. Rh8 Rg2 61. Kh3 Rg6 62. Kh4 Rg4+ 63. Kh3 Rg1 64. Rf8 Rg6 65. Kh4 Rg5
66. Re8 Kg6 67. Rg8+ Kh7 68. Rf8 Kg7 69. Ra8 h5 70. Rd8 Kf7 {
(?) waste of time; at once 70...Kg6!} 71. Rh8 Kg6 72. Rg8+ Kf5 73. Rd8 {
(?!) 73.Ra8} 73... Rg1 74. Rc8 Rh1+ 75. Kg3 h4+ 76. Kg2 Ra1 {
(?) 76...Re1 in order to protect black's king against check of white's rook}
77. Kh3 Kg5 78. Rg8+ Kf4 79. Rf8 f5 80. Re8 Rc1 {(??) 80...Kf3! enabling 81...
f5-f4 in the next move. After the weak text move, the game is a draw} 81. Rd8 {
81.Ra8!} 81... Rh1+ 82. Kg2 Ra1 83. Kh3 Rg1 84. Rc8 Rh1+ 85. Kg2 Rb1 86. Kh3
Rd1 87. Rb8 Rh1+ 88. Kg2 Rc1 89. Kh3 Rd1 {Black can make no progress} 90. Re8 {
(??) A losing move instead of 90.Ra8} 90... Rh1+ {
(??) Misses the win with 90...Kf3!} 91. Kg2 Rc1 92. Kh3 {(??) 92.Ra8!} 92...
Rc7 {(??) 92...Kf3! -+} 93. Ra8 Rb7 94. Rc8 Ra7 95. Rd8 Re7 96. Rb8 Rd7 97. Rf8
Rh7 98. Rc8 Rh6 99. Re8 Kg5 100. Rg8+ Kh5 101. Rf8 Kg6 102. Rd8 Rh7 103. Rf8
Kg5 104. Rg8+ Kf6 105. Rc8 {105.Ra8} 105... Ke5 106. Rc4 f4 107. Rc5+ Kd4 108.
Rc1 {(??) 108.Ra5 =} 108... f3 109. Rd1+ Ke3 110. Re1+ Kd3 111. Re8 Rf7 {
111...f2 wins easily} 112. Rd8+ Kc3 {Waste of time instead of going to e2} 113.
Rc8+ Kb2 {Hard to believe what Black is doing here} 114. Rb8+ Ka2 115. Ra8+ Kb1
116. Rb8+ Kc1 117. Rc8+ Kd2 118. Rd8+ Ke1 119. Re8+ Kd1 {(??) 121...Kf2-+} (
119... Kf1 120. Kxh4 (120. Kh2 f2 121. Ra8 Ke2 122. Ra2+ Kd3 123. Ra3+ Kc4 124.
Ra4+ Kb3) 120... f2 121. Ra8 Rg7 122. Ra1+ Kg2) 120. Rd8+ {I abstain from
further comments, it should be clear now why Black could not win and in which
way this rook ending should be played} 120... Kc2 121. Rc8+ Kb3 122. Rb8+ Kc4
123. Rc8+ Kd4 124. Rd8+ Ke5 125. Re8+ Kd5 126. Rd8+ Ke4 127. Re8+ Kf4 128. Re6
Rf8 129. Re7 Rf5 130. Ra7 Ke3 131. Re7+ Kd2 132. Rd7+ Ke2 133. Re7+ Kd1 134.
Rd7+ Kc2 135. Rc7+ Kb2 136. Rb7+ Kc3 137. Rc7+ Kd3 138. Rd7+ Ke4 139. Re7+ Kd5
140. Rd7+ Ke5 141. Re7+ Kd4 142. Rd7+ Kc5 143. Rc7+ Kd6 144. Rc1 Rf4 145. Kh2
Ke5 146. Kg1 f2+ 147. Kf1 h3 148. Rc5+ Kf6 149. Rh5 Rf3 150. Rh4 Kg5 151. Rh8
Kg6 152. Rg8+ Kf7 153. Rg5 Kf6 154. Rg4 Ke5 155. Rg5+ Ke4 156. Ra5 Kd4 157. Rg5
Kc4 158. Rh5 Kb4 159. Rh4+ Kc5 160. Rg4 Kd5 161. Rb4 Kc6 162. Rd4 Kb6 163. Rc4
Kb7 164. Rh4 Kc7 165. Rh6 Kd8 166. Rh7 Ke8 167. Rg7 Kf8 168. Rg4 Ke7 169. Rg6
Kd8 170. Re6 Kc8 171. Re7 Kb8 172. Rg7 Rc3 173. Kxf2 Ra3 174. Rh7 Kc8 175. Kg1
Ra2 176. Rxh3 1/2-1/2
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