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Subject: Re: Crafty 16.6 Wins! Hiarcs 7.32 loses with White.

Author: blass uri

Date: 05:30:34 06/11/99

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On June 10, 1999 at 18:18:57, Sune Larsson wrote:

>On June 10, 1999 at 16:46:10, Phil Dixon wrote:
>
>>
>>
>>Hiarcs 7.32 - Crafty 16.6 [A46]
>>G/45, each side.     06.1999
>>[Dixon,P]
>>
>>Did Hiarcs make a mistake capturing the R on move 13? Which evaluation is more
>>accurate?  Move 12...-.58/11 Crafty   13. +.75/9 Hiarcs
>>
>>16384kB,  Pentium 233Mhz
>>
>> 1.d4 Nf6 2.Nf3 c5 3.Nc3 cxd4 4.Qxd4 (Nxd4) 4...Nc6 5.Qa4 (Qc4) 5...e6 (e5) 6.e4
>>Bb4 (Qc7) 7.Bd2 (Bb5) 7...0-0 (Qb6) 8.Bb5 (Bd3) 8...Qb6 9.e5 Bxc3 (Nd5) 10.Bxc3
>>(bxc3) 10...Nd5 11.Bd2 (0-0) 11...a6 12.c4 axb5 13.Qxa8 bxc4 14.Qa3 Ncb4 15.Bxb4
>>Nxb4 16.0-0-0 (0-0) 16...Nd3+ 17.Kc2 (Kb1) 17...d5 (d6) 18.Rd2 (exd6) 18...Nxf2
>>19.Rf1 Ne4 20.Rdd1 (Rd4) 20...Bd7 (Nf2) 21.Nd2 (Rd4) 21...Nc5 22.Kb1 Bb5 (Ba4)
>>23.Rg1 c3 24.Qxc3 Be2 25.h4 (Qd4) 25...Bxd1 26.Rxd1 Ra8 (Qb5) 27.Rc1 Nd7 28.Nf3
>>(a3) 28...Qb5 (Qa6) 29.a3 Nb6 (h5) 30.Nd4 (Qc5) 30...Qa4 (Qc4) 31.g4 (h5)
>>31...Nc4 32.Re1 (Ka1) 32...Rc8 33.Qd3 Qa5 (b5) 34.Nf3 (Re2) 34...Qc5 (Qb5)
>>35.Ka1 (Ka2) 35...Qf2 36.Qe2 (Re2) 36...Qg3 37.g5 Rc5 (b5) 38.Ka2 Qf4 (Kf8)
>>39.Qd3 (h5) 39...Ra5 (h6) 40.Re2 b5 (h6) 41.Kb1 Ra8 (h6) 42.Kc2 (h5) 42...Rc8
>>43.Kb3 Rb8 (Na5+) 44.Ka2 b4 45.axb4 Qc1 46.Qd4 (Nd4) 46...Rxb4 47.Qc3 Ra4+
>>48.Kb3 Qd1+ 49.Rc2 Ra8 50.g6 hxg6 51.Ng5 Qb1 (Qa1) 52.Qb4 d4 53.Kxc4 Qxc2+ 0-1
>
>
>
>It looks like black gets a very good game after 12-axb5! This type of
>exchange sacrifice is probably very hard for a computer to predict.

No,It is not very hard for computers.
Crafty16.6 see that black has a clear advantage and it is not the only program
with this opinion.

Uri



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