Author: Heiner Marxen
Date: 07:15:18 04/25/02
Go up one level in this thread
On April 24, 2002 at 13:35:31, John Merlino wrote:
>On April 24, 2002 at 13:26:42, Steve Maughan wrote:
>
>>On April 24, 2002 at 13:21:29, Roy Eassa wrote:
>>
>>>On April 24, 2002 at 13:20:52, Roy Eassa wrote:
>>>
>>>>
>>>>Mate in 3
>>>>
>>>[d] 4B1R1/3NP1Pp/1Q1p1Prr/RPpKpNPk/6p1/6P1/4P3/2B5 w - c6 0 1
>>
>>No ep handling in my solution!
>>
>>Ra1, e4, Bf4 ?? Rh1++
>
>There are FOUR moves that lead to mate in three. Here are all of them (using
>CM9000's new "N-Best" display):
>
>Time Depth Score Positions Moves
>0:07 40/46 Mate03 351827 1.e4 c4 2.Qf2 c3 3.Qh2#
>0:07 40/46 Mate03 352096 1.Be3 e4 2.Ra1 c4 3.Rh1#
>0:07 40/46 Mate03 352375 1.Ra1 e4 2.Be3 c4 3.Rh1#
>0:07 40/46 Mate03 352727 1.bxc6ep e4 2.Ne3 Kxg5 3.Kxd6#
>
>jm
Chest confirms this completely (0.02 secs :-). Complete solution tree:
Be3 c4 Ra1 =*= Rh1#
e4 Ra1 c4 Rh1#
Ra1 c4 Bd2 =*= Rh1#
Be3 =*= Rh1#
Qf2 =*= Qh2#
Qg1 =*= Qh1#
Qh2#
e4 Be3 c4 Rh1#
Bf4 =*= Rh1#
bxc6ep e4 Ne3 Kxg5 Kxd6#
e4 c4 Qf2 c3 Qh2#
Qg1 c3 Qh1#
Qh2#
Ra2 c3 Rh2#
Cheers,
Heiner
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