Author: Ed Schröder
Date: 09:00:08 06/18/00
Go up one level in this thread
On June 18, 2000 at 10:36:40, Gian-Carlo Pascutto wrote: >On June 18, 2000 at 10:17:08, Ed Schröder wrote: > >>According Rebel it is a mate in 10. >> >>Ed >> >>00:00 07.00 0.81 1.Rxh5 gxh5 2.Rxh5 Kf8 3.Rxh7 Ke8 4.Rh8+ Kd7 5.Qf5+ Kc7 >>00:01 08.00 2.37 1.Rxh5 gxh5 2.Rxh5 Kf8 3.Rxh7 Ke8 4.Qf5 Kd8 5.Qxf7 Kc8 >>6.Qxe7 >>00:03 09.00 2.47 1.Rxh5 gxh5 2.Rxh5 Kf8 3.Rxh7 Ke8 4.Qf5 Kd8+ 5.Qxf7 Kc7 >>6.Qxe7+ Kc8 >>00:43 10.00 11.74 1.Rxh5 gxh5 2.Rxh5 Kf8 3.Rxh7 e6 4.Bf6 Ke8 5.dxe6 Qxc4+ >>6.Qxc4 >>02:35 11.00 Mate in 10 moves 1.Rxh5 Kf8 Rxh7 2.Ke8 Rxf7 3.Qxc4 Qxc4 4.g5 Rhh7 >>5.b5 Rxe7+ 6.Kd8 > >I find it interesting to notice that even Rebel has some trouble with this, >taking more than 10 times as much time to resolve the 10th ply. That's pretty normal whith such big score differences (2.47 -> 11.74) as search is confrontated with big score fluctuations which causes move ordering to collapse. I wouldn't bother too much about it, it's quite normal. Ed >-- >GCP
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