Author: martin fierz
Date: 20:17:36 06/20/02
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 hmm, so how is the eval for the other recaptures? to me, ef4 looks very natural, freeing the dark-squared bishop. the other obvious recapture is Nxf4, the other two look wrong to me. but that's just a depth 0 search by my brain looking for what looks normal and what not. aloha martin
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