Author: Robert Hyatt
Date: 17:40:22 06/11/99
Go up one level in this thread
On June 11, 1999 at 08:26:21, blass uri wrote:
>
>On June 11, 1999 at 00:54:44, Tania Devora wrote:
>
>snipped
>> I think that the position was a draw a clear draw ! But where is
>>the mistake ? Where Fritz5.32 did a mistake ?
>
>2k5/5R2/3K4/8/1n6/8/8/8 b - - 0 1
Na6 is a dead draw here...
>Here Fritz5.32 played 104...Kb8.
>I think that it may be the losing mistake and 104...Na6 could draw.
>
>unfortunately I have not tablebases for KR vs KN so I am not sure.
>
>Here is the first position from this simple endgame:
>k7/6R1/n7/8/4K3/8/8/8 w - - 0 1
this is a mate in 25...
>
>The KRvs KN game from this position:
>
>>95.Kd5 {1.96/10 8} 95... Kb8 {1.09/12 13} 96. Rh7 {(Rc6) 1.75/9 8} 96... >Nb4+ {(Rc8) 1.16/12 26} 97. Kc4 {1.77/9 7} 97... Na6 {(Cc6) 1.31/12 10} 98. >Re7 {(Rb5) 1.76/10 10} 98... Kc8 {1.25/13 14} 99. Kb5 {(Tf7) 1.76/10 7} >99... Nb8 {1.25/13 11} 100. Kc5 {1.75/10 7} 100... Na6+ {1.22/12 11} 101. >Kb5 {(Rd6) 1.76/10 7} 101... Nb8 {0.00/20 6} 102. Kc5 {1.75/10 6} 102... >Na6+ {0.00/19 5} 103. Kd6 {1.75/10 6} 103... Nb4 {1.19/12 9} 104. Rf7 {
>>(Te3) 1.75/10 6} 104... Kb8 {(Cd3) 1.25/11 12} 105. Kc5 {(Tf4) 1.79/9 6} >105...Nd3+ {1.22/12 15} 106. Kb6 {(Rd4) 1.87/10 6} 106... Kc8 {1.31/12 9} >107. Rf5 {1.96/10 6} 107... Ne1 {4.81/12 10} 108. Rf2 {17.03/11 18} 108... >Kd7 {4.78/12 8} 109. Kb5 {17.09/11 5} 109... Kd6 {(Rc8) 4.91/12 8} 110. >Kc4 {17.09/10 5} 110... Kc6 {(Rd7) 5.03/12 11} 111. Kc3 {(Rd4) 17.19/10 5} >111... Kd5 {(Rd6) 5.09/12 7} 112. Kd2 {17.13/10 6} 112... Kd4 {(Cd3) >5.34/12 7} 113. Kxe1 {17.31/11 4}
>
>Uri
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