Author: Andrew Williams
Date: 10:15:18 06/17/02
Go up one level in this thread
On June 17, 2002 at 13:07:58, Andrew Williams wrote:
>On June 17, 2002 at 11:18:30, Art Basham wrote:
>
>>Here black (Botvinnik in 1940) played
>>...Rxh3+, then ...d4, etc.
>>
>>[D]5bk1/1p4p1/pP3p2/Pq1pn3/8/1r5P/RN1Br1P1/2QR3K b - -
>>
>>My computor is way too slow to find this one!
>>...Rxg2...? is not the correct move here...!
>
>PostModernist gets this in 0 seconds. It reports mate in 7 in 11 seconds, but
>the PV doesn't stretch to 7 moves :-(
>
That result was on an Athlon 1200. Analysis:
6> 300 0 15004 1...Rxg2 2.Kxg2 Qe2 3.Kh1 Rxh3 4.Kg1 Nf3
6b 396 0 27189 1...Rg3 2.Rg1 Qb3 3.Kh2 Rxh3
SCRUBBING TT (on new guess): 100 [509] 500
6= 481 0 55491 1...Rg3 2.Ra4 Rexg2 3.Re1 Bc5
7> 481 0 71386 1...Rg3 2.Ra4 Rexg2 3.Re1 Nd3
7b 511 1 108014 1...Rxh3 2.gxh3 d4
SCRUBBING TT (on new guess): 281 [688] 681
7= 882 1 157399 1...Rxh3 2.gxh3 d4 3.Kg1 Qd5 4.Qc4 Nxc4
5.Nxc4 Qxc4
8> 882 1 161519 1...Rxh3 2.gxh3 d4 3.Kg1 Qd5 4.Qc4 Nxc4
5.Nxc4 Qg2
8= 953 2 242099 1...Rxh3 2.gxh3 d4 3.Kg1 Qd5 4.Qc6 Nxc6
5.Raa1
9> 953 2 254368 1...Rxh3 2.gxh3 d4 3.Kg1 Qd5 4.Qc6 Nxc6
5.Raa1 Qg2
SCRUBBING TT (on new guess): 753 [1157] 1153
9= +M07 12 1669131 1...Rxh3 2.gxh3 d4 3.Kg1 Qd5 4.Qc6 Nxc6
5.Raa1 Qg2
10> +M07 13 1903883 1...Rxh3 2.gxh3 d4 3.Qc4 Nxc4 4.Rf1 Qd5
5.Rf3 Qxf3
10= +M07 20 2942226 1...Rxh3 2.gxh3 d4 3.Qc4 Nxc4 4.Rf1 Qd5
5.Rf3 Qxf3
11> +M07 20 2966028 1...Rxh3 2.gxh3 d4 3.Qc4 Nxc4 4.Rf1 Qd5
5.Rf3 Qxf3
Andrew
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