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Subject: Re: How long to spot the mate in 13 ?

Author: Vincent Lejeune

Date: 13:43:35 02/11/06

Go up one level in this thread


It's mate in 13 see : http://www.talkchess.com/forums/1/message.html?485862

4.Qxf5 is one move shorter than 4.Rxg7+ !


On February 11, 2006 at 13:39:06, Mike Closs wrote:

>Yes thats mate in 14 - I claim mate in 13
>
>
>On February 11, 2006 at 13:35:42, M Hurd wrote:
>
>>[D]rn3k1r/pppbRppp/1n1p4/6B1/q1PP4/3B1N2/PK1Q1PPP/4R3 w - - 0 1
>>
>>New game - Rybka 1.01 Beta 13b 32-bit
>>rn3k1r/pppbRppp/1n1p4/6B1/q1PP4/3B1N2/PK1Q1PPP/4R3 w - - 0 1
>>
>>Analysis by Rybka 1.01 Beta 13b 32-bit:
>>
>>1.c5
>>  ±  (1.30)   Depth: 3   00:00:00
>>1.c5
>>  ±  (1.00)   Depth: 4   00:00:00
>>1.c5 Nd5
>>  ±  (0.81)   Depth: 5   00:00:00
>>1.c5 Nd5 2.cxd6
>>  ±  (0.83)   Depth: 6   00:00:00  16kN
>>1.Kb1 Nc8 2.Be4
>>  ±  (1.05)   Depth: 6   00:00:02  42kN
>>1.Kb1 Nxc4 2.Qc3 d5
>>  ±  (0.81)   Depth: 7   00:00:02  51kN
>>1.Kb1 Nxc4 2.Qc3 d5 3.Qb3
>>  ±  (0.75)   Depth: 8   00:00:04  101kN
>>1.Rxf7+ Kxf7 2.Re7+ Kg8 3.Qf4 Qb4+ 4.Kc1 Qa3+ 5.Kd2
>>  +-  (4.74)   Depth: 8   00:00:07  136kN
>>1.Rxf7+ Kxf7 2.Re7+ Kg8 3.Qf4 Bf5 4.Qxf5 Qb4+ 5.Ka1
>>  +-  (7.72)   Depth: 9   00:00:09  202kN
>>1.Rxf7+ Kxf7 2.Re7+ Kg8 3.Qf4 Bf5 4.Qxf5 Qb4+ 5.Kc1 Qa3+ 6.Kd2
>>  +-  (9.12)   Depth: 10   00:00:15  342kN
>>1.Rxf7+ Kxf7 2.Re7+ Kg8 3.Qf4 Bf5 4.Rxg7+ Kxg7 5.Bh6+ Kg8 6.Qg5+ Bg6 7.Bxg6 Qb4+
>>  +-  (#14)   Depth: 11   00:00:44  1235kN
>>
>>Athlon 2400XP
>>512MB Hash
>>
>>Regards
>>
>>Mike



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