Author: Ernst Walet
Date: 08:37:50 10/11/01
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On October 11, 2001 at 01:26:32, Uri Blass wrote: >On October 11, 2001 at 00:10:49, Rex wrote: > >> >> >>Using GT-2 with my personnal settings I find mate in 7 moves. Of course running >>only 3 minutes of analysis. >> >>1.533Ghz >> >>00:00:00.7 9.18 10 211004 Rxe5 >>00:00:00.0 13.04 10 215706 Rxe5 Qf3 Ree1 Qxd1 >>00:00:01.7 13.94 11 687474 Rxe5 >>00:00:10.2 Mate in 8 11 5204472 Rxe5 Qf3 Ree1 a3 >>00:00:13.6 Mate in 8 12 7033449 Rxe5 Qf3 Ree1 a3 >>00:02:58.7 Mate in 7 13 96264402 Rxe5 Qf3 Ree1 a3 > >Chest verifies in a short time on p200 that mate in 8 moves is the shortest >mate(only 465 seconds 10,940,121 nodes,pv 1...Rxe5 2.Qf3 Ree1 3.c4 Rg1+ 4.Kf2 >Rde1 5.Qg3 Ref1+ 6.Ke2 Rxg3 7.gxf5 Qe3+ 8.Kxf1 Rg1#) > >It is also clear that when your Gambittiger 2 says mate in 7 it means mate in 8. > >It was also wrong in the previous case when it said mate in 9 and there was only >mate in 10 based on chest. > >I guess that chest can find that mate in 8 is the shortest mate on your hardware >even faster than Gambittiger 2. > >Uri Tiger pronounces a mate after making the key move, so before the key move it is a mate in 8, as most other programs do. Ernst.
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