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Subject: Re: chessmaster's mate in 13 in the Rxf7 problem at depth 6/16

Author: Uri Blass

Date: 09:19:07 09/20/00

Go up one level in this thread


On September 20, 2000 at 07:24:30, Uri Blass wrote:

>On September 20, 2000 at 04:17:41, Uri Blass wrote:
>
>>On September 19, 2000 at 22:31:42, Dann Corbit wrote:
>><snipped>
>>>[D]2r3kr/5pp1/7p/3PQRb1/ppq1B3/8/PPP3PP/1K1R4 w - - acd 16; acn 287155000; ce
>>>1150; pv Rxf7 Bf6 Rxf6 gxf6 Qe6+ Kf8 Qxf6+ Kg8 Qe6+ Kf8; pm Rxf7; id "C.A.P.
>>>1418836"; c0 "Mark Young on September 15, 2000 at 00:29:11";
>>
>>Chessmaster6000 can see mate in 20 at depth 2/12(time 19:12) and does not change
>>its mind at depth 3/13 or 4/14
>>
>>pv Rxf7 Bf6 Rxf6 gxf6 Qe6+ Kf8 Qxf6+ Kg8 Bf5 Qc7 d6 Qg7 d7 Rd8 Qxd8+ Kf7 Qc7
>>Rd8 Qxd8 Qf6 Qxf6+ Kxf6
>>
>>I do not post more moves because my screen is too short but in this line there
>>is a shorter mate than mate in 20 so I suspect that there is a shorter mate.
>>
>>I think that the result of mate is better than the result of mark young that
>>does not give a forced mate inspite of the fact that chessmaster did not see 16
>>plies.
>>
>>Uri
>
>Chessmaster found mate in 14 at depth 5/15 after some hours
>
>pv Rxf7 Bf6 Rxf6 gxf6 Qe6+ Kf8 Qxf6+ Kg8 Re1 Qb5 d6 Rc5 Qe6+ Kg7 Qe7+ Kg8 d7
>Qd3 Qe8+ Kg7 Qg6+ Kf8 Qf6+ Kg8 Bh7+ Rxh7 Re8#
>
>Uri

Chessmaster6000(ss=10) found mate in 13 at depth 6/16 after more hours.

pv Rxf7 Bf6 Rxf6 gxf6 Qe6+ Kf8 Qxf6+ Kg8 Re1 Qc7 d6 Qf7 Bd5 Rh7 d7 Rf8 Re8 Rg7
Rxf8+ Kh7 Be4 Qg6 Bxg6+ Rxg6 Qxh8#

Uri



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