Author: John Merlino
Date: 15:25:19 05/04/04
Go up one level in this thread
On May 04, 2004 at 17:58:25, Dieter Buerssner wrote:
>On May 04, 2004 at 15:24:17, Rob Basham wrote:
>
>>Yes, I know....but none of my programs can ann. mate that far in advance...
>>so I started it at an easier place in the problem....:-)
>
>You can download one for free, that can announce that mate, but some patience
>will be needed (especially on slower hardware). 8 1/2 min. on my P4 2.53 GHz
>with 300 MB hash:
>
> 143794292 2:33.8 5.71 11. 1.Nfg4+ Ke4 2.Nf6+ Ke5 3.Neg4+ Kf5 4.Nh6+ Ke5
> 5.Nf7+ Kf5 6.Nd6+ Ke5 7.Ng4+ Kd5 8.c4+ Bxc4
> 9.Ne3+ Ke5 10.Ndxc4+ Ke4 11.Nxd2+ Kd3 12.Nxb1
> Nh7 13.Kf7 g5 14.Kg7 Nxg3 15.Kxh7 gxh4 16.Na3
> Ne4 17.Nf5 Nf6+ 18.Kg6 {610}
> 485587360 8:32.1 Mat32 12++ 1.Nfg4+ Ke4 2.Nf6+ Ke5 3.Neg4+ Kf5 4.Nh6+ Ke5
> 5.Nf7+ Kf5 6.Nd6+ Ke5 7.Ng4+ Kd5 8.Ne3+ Ke5
> 9.Nf7+ Ke4 10.Ng5+ Ke5 11.Nf3+ Ke4 12.Nxd2+ Ke5
> 13.Nf3+ Ke4 14.Ng5+ Ke5 15.Nf7+ Ke4 16.Nd6+ Ke5
> 17.Ng4+ Kd5 18.Nf6+ Ke5 19.Nf7+ Kf5 20.Nh6+ Ke5
> 21.Nhg4+ Kf5 22.Ne3+ Ke5 23.Nfg4+ Ke4 24.Nf2+
> Ke5H 25.Nxd3+H Ke4H 26.Nf2+H Ke5H 27.Nfg4+H
> Ke4H 28.Nf6+H Ke5H 29.Nc4+H Kf5H 30.Nd6+H {HT}
> {-491}
> 646866430 11:03.5 Mat32 12t 1.Nfg4+ Ke4 2.Nf6+ Ke5H 3.Neg4+H Kf5H 4.Nh6+H
> Ke5H 5.Nf7+H Kf5H 6.Nd6+H Ke5H 7.Ng4+H Kd5H
> 8.Ne3+H Ke5H 9.Nf7+H Ke4H 10.Ng5+H Ke5H {-1341}
> 649800720 11:06.0 Mat32 12. 1.Nfg4+ Ke4 2.Nf6+ Ke5 3.Neg4+ Kf5 4.Nh6+ Ke5
> 5.Nf7+ Kf5 6.Nd6+ Ke5 7.Ng4+ Kd5 8.Ne3+ Ke5
> 9.Nf7+ Ke4 10.Ng5+ Ke5 {-1341}
>1587399172 24:21.6 Mat32 13t 1.Nfg4+ Ke4 2.Nf6+ Ke5 3.Neg4+ Kf5 4.Nh6+ Ke5
> 5.Nf7+ Kf5 6.Nd6+ Ke5 7.Ng4+ Kd5 8.Ne3+ Ke5
> 9.Nf7+ Ke4 10.Ng5+ Ke5 11.Nf3+ Ke4 12.Nxd2+ Ke5
> 13.Nf3+ Ke4 14.Ng5+ Ke5 15.Nf7+ Ke4 16.Nd6+ Ke5
> 17.Ng4+ Kd5 18.Nf6+ Ke5 19.Nf7+ Kf5 20.Nh6+ Ke5
> 21.Nhg4+ Kf5 22.Ne3+ Ke5 23.Nfg4+ Ke4 24.Nf2+
> Ke5 25.Nxd3+ Ke4 26.Nf2+ Ke5 27.Nfg4+ Ke4
> 28.Nf6+ Ke5 29.Nc4+ Kf5 30.Nd6+ Ke5 31.Ng4+ Kd5
> 32.c4# {-491}
>
>Regards,
>Dieter
>
>PS. Luckily CM cannot beat this for principle reasons :-) (AFAIK)
You're correct. By my testing, The King cannot announce a mate in >22. Perhaps
the next version in CMX000 will increase this boundary.
jm
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