Author: Andrew Williams
Date: 01:56:37 06/21/02
Go up one level in this thread
On June 20, 2002 at 19:43:43, John Merlino wrote:
>This position is from one of the games that Ali Mirafzali posted between CM8000
>and a Master named Kamberi, rated 2350.
>
>[D]r1b1r1k1/1p3p2/2p1nq1b/2P1p1pp/1PB1PB2/2N1QN1P/3R1PP1/1R4K1 b - - 0 26
>
>Black has four ways to take back. What does your program say is the best?
>
>CM9000, on a PIII-600, prefers Nxf4. Kamberi played exf4, which CM thinks is the
>worst of the four possibilities.
>
>Time Depth Score Positions Moves
>0:00 1/3 0.69 1101 26...exf4 27.Qd3 Rd8
>0:00 1/4 0.47 2050 26...exf4 27.Qd3 Rd8 28.Qc2 Bg7
>0:00 1/5 0.79 8509 26...exf4 27.Qd3 Rd8 28.Qc2 Bg7
> 29.e5 Rxd2 30.Qxd2
>0:00 1/5 0.71 12456 26...gxf4 27.Qd3 Rd8 28.Qc2 Nd4
> 29.Nxd4 exd4
>0:00 1/6 0.54 33767 26...gxf4 27.Qd3 Bg7 28.Re1 Nd4
> 29.Nxd4 exd4
>0:01 1/7 0.56 87600 26...gxf4 27.Qd3 Bg7 28.Re1 Nd4
> 29.Nxd4 exd4 30.Ne2
>0:03 1/8 0.53 187667 26...gxf4 27.Qd3 Bg7 28.Rbd1 Qe7
> 29.Ne2 Rd8 30.Qc2
>0:07 1/8 0.39 434519 26...Qxf4 27.Qxf4 exf4 28.Rd3 Bg7
> 29.Bxe6 Bxe6 30.Nxg5 Bc4
>0:11 1/8 0.33 691576 26...Nxf4 27.Rd6 Ne6 28.Qe2 Bf8
> 29.Rdd1 Nd4 30.Nxd4 exd4
>0:32 1/9 0.00 2123702 26...Nxf4 27.Rd6 Be6 28.Bxe6 Rxe6
> 29.Rxe6 Qxe6 30.Ne2 Qa2 31.Nc3 Qe6
>0:54 1/10 0.08 3732873 26...Nxf4 27.Rd6 Be6 28.Bxe6 Rxe6
> 29.Rxe6 Qxe6 30.Ne2 Nxe2+ 31.Qxe2
> Ra2 32.Qd3 g4
>3:02 2/11 -0.13 13075813 26...Nxf4 27.Ne1 g4 28.Rd6 Ne6
> 29.Qg3 Bf8 30.Bxe6 Bxe6 31.hxg4
> Bxd6 32.gxh5+ Qg7 33.Qxg7+ Kxg7
> 34.cxd6
>
>jm
My program says this after a 15 minute search:
15> 67 413 69860615 1...exf4 2.Qd3 Rd8 3.Qc2 Rxd2 4.Nxd2 g4
5.Qd3 f3 6.g3 gxh3 7.Nxf3
15= 71 745 117526754 1...exf4 2.Qd3 Rd8 3.Qc2 Rxd2 4.Qxd2 g4
5.Bxe6 Bxe6 6.hxg4 hxg4 7.Qd4 Qe7 8.Nh2 Bg7
16> 71 820 129925695 1...exf4 2.Qd3 Rd8 3.Qc2 Rxd2 4.Qxd2 g4
5.Bxe6 Bxe6 6.hxg4 hxg4 7.Qd4 Qe7 8.Nh2 Bg7
This indicates that my program thinks that black is winning by +0.71
This on a busy Athlon 1200, if it's of any interest.
Andrew
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