Author: David Dahlem
Date: 11:55:36 10/24/05
Go up one level in this thread
On October 24, 2005 at 14:26:50, F. Huber wrote: >On October 24, 2005 at 13:43:56, David Dahlem wrote: > >>On October 24, 2005 at 12:54:40, F. Huber wrote: >> >>>On October 24, 2005 at 09:51:01, Jouni Uski wrote: >>> >>>>[D]N7/PPPPPPPP/K1k3qB/brpnn3/7N/6rb/8/8 w - - >>>> >>>>I don't know if it's legal (from old CSS magazine). >>>> >>>>Jouni >>> >>>And of course Chest (in brute force) finds the #8 immediately: :-) >>> >>>ChestUCI Ver.4.2: >>>CPU: Celeron 400MHz >>>FEN: N7/PPPPPPPP/K1k3qB/brpnn3/7N/6rb/8/8 w - - >>>Position-Analysis: C0/R0/K3/P9/X60 >>>Search for Mate in 10 ... (Hash=16MB) >>> 8 00:01 12.673 16.458 +M8 1.b8S+ >>>Search completed ... (Time=1.09s) >>>Mate in 8 found ! (00:01) >>>1.b8N+ Rxb8 2.axb8N+ Kd6 3.c8N+ Ke6 4.d8N+ Bxd8 5.exd8N+ Kf6 6.g8N+ Qxg8 >>>7.hxg8N+ Rxg8 8.fxg8N# >>>1 Solution (Mate in 8) >>> >>>Franz. >> >>Hi Franz >> >>Excellent! My little Sage engine is not a fantastic mate solver, so it takes 26 >>seconds. :-) >> >>Sage 1.4: >> 4 00:00 +8.29 1.b8N+ Kd6 2.c8N+ Ke6 3.e8Q+ Ne7 4.Nxg6 >> 5 00:00 +9.68 1.b8N+ Kd6 2.c8N+ Ke6 3.d8N+ >> 6 00:02 +16.38 1.b8N+ Kd6 2.c8N+ Ke6 3.e8Q+ Ne7 4.f8Q Rb6+ 5.Naxb6 Qd3+ >> 7 00:26 +M8 1.b8N+ Rxb8 2.axb8N+ Kd6 3.c8N+ Ke6 4.d8N+ Bxd8 5.exd8N+ Kf6 >>6.g8N+ Qxg8 7.hxg8N+ Rxg8 8.fxg8N+ >> >>Regards >>Dave > >Hello Dave, > >that´s really an excellent result of your baby! :-) >I´m not sure if every professional engine will find this #8 at all!? > >And of course it´s much faster than I would find it by myself ... ;-) > >Regards, >Franz. Hi Franz It seems there is one professional engine that finds this mate in 8, and just as fast as Chest. :-) FEN: N7/PPPPPPPP/K1k3qB/brpnn3/7N/6rb/8/8 w - - 0 1 Fruit 2.2: 3/36 00:01 +M8 1.b8N+ Rxb8 2.axb8N+ Kd6 3.c8N+ Ke6 4.d8N+ Bxd8 5.exd8N+ Kf6 6.g8N+ Qxg8 7.fxg8N+ Rxg8 8.hxg8N+ 4/36 00:01 +M8 1.b8N+ Rxb8 2.axb8N+ Kd6 3.c8N+ Ke6 4.d8N+ Bxd8 5.exd8N+ Kf6 6.g8N+ Qxg8 7.fxg8N+ Rxg8 8.hxg8N+ 5/36 00:02 +M8 1.b8N+ Rxb8 2.axb8N+ Kd6 3.c8N+ Ke6 4.d8N+ Bxd8 5.exd8N+ Kf6 6.g8N+ Qxg8 7.fxg8N+ Rxg8 8.hxg8N+ 6/36 00:07 +M8 1.b8N+ Rxb8 2.axb8N+ Kd6 3.c8N+ Ke6 4.d8N+ Bxd8 5.exd8N+ Kf6 6.g8N+ Qxg8 7.fxg8N+ Rxg8 8.hxg8N+ Regards Dave
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