Author: Eran Karu
Date: 10:14:31 05/21/04
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Fritz8 does not find the move 21.exd6 in about 10 minutes but Fritz 5.32 does in 2 seconds. [D]1r1r2k1/p2q1p1p/2npp1p1/1p2P3/5P1b/1N5P/PPPQ2P1/3RR1BK w - - 0 21 Pentium III 1 Ghz, 32 MB hashtable runs under ChessBase 8: Analysis by Fritz 8: 21.Rf1 d5 22.Bc5 f6 23.Bd6 ² (0.56) Depth: 5/18 00:00:00 18kN 21.Rf1 d5 22.Nc5 Qe8 23.Be3 Be7 ² (0.56) Depth: 6/19 00:00:00 40kN 21.Rf1 Be7 22.Bc5 d5 23.Qc3 Nd4 24.Bxd4 ² (0.53) Depth: 7/21 00:00:00 114kN 21.Rf1 Be7 22.Bc5 d5 23.Qe3 f6 24.Bxe7 Qxe7 25.Nc5 ² (0.53) Depth: 8/23 00:00:01 258kN 21.Rf1 Be7 22.Bc5 d5 23.Qe3 Bxc5 24.Nxc5 Qc7 25.c3 h6 ² (0.50) Depth: 9/25 00:00:02 654kN 21.Rf1 Be7 22.Bc5 d5 23.Kg1 Qc7 24.Bxe7 Nxe7 25.Nd4 b4 26.Qd3 ² (0.47) Depth: 10/27 00:00:07 2209kN 21.Rf1 Be7 22.Bc5 d5 23.Qe3 Bxc5 24.Nxc5 Qe7 25.c3 Rbc8 26.b4 ² (0.34) Depth: 11/31 00:00:15 5306kN 21.Re3 ² (0.38) Depth: 11/31 00:00:18 7001kN 21.Re3 Be7 22.Rd3 d5 23.Nd4 Rbc8 24.c3 Nxd4 25.Bxd4 Qc7 26.Qe3 ² (0.38) Depth: 12/29 00:00:32 13185kN 21.Re3 Be7 22.Rd3 d5 23.Nd4 Rbc8 24.c3 a6 25.Qe2 Nxd4 26.Bxd4 Qc7 27.Qg4 ² (0.38) Depth: 13/33 00:01:11 31182kN 21.Re3 Be7 22.Rd3 d5 23.Nd4 Rbc8 24.c3 a6 25.Qe2 Rf8 26.Qg4 ² (0.38) Depth: 14/34 00:02:40 72187kN 21.Re3 Be7 22.Rd3 d5 23.Nd4 Nxd4 24.Bxd4 a5 25.c3 a4 26.Qe3 = (0.25) Depth: 15/39 00:08:45 244996kN 21.Rf1 ² (0.28) Depth: 15/39 00:10:07 285205kN (Karu, Eran Karu 21.05.2004) Is 21.Rf1 not the best move? Analysis by Fritz 5.32: 21.exd6 = (-0.09) Depth: 1/3 00:00:00 21.exd6 = (-0.09) Depth: 1/6 00:00:00 21.Bf2 ² (0.53) Depth: 1/9 00:00:00 21.Bf2 Bxf2 22.Qxf2 ² (0.53) Depth: 2/8 00:00:00 21.Bf2 Bxf2 22.Qxf2 Qc7 ² (0.53) Depth: 3/15 00:00:00 1kN 21.Bf2 Bxf2 22.Qxf2 Qc7 23.exd6 Rxd6 24.Rxd6 Qxd6 ² (0.47) Depth: 4/11 00:00:00 2kN 21.Bf2 Bxf2 22.Qxf2 Qc7 23.exd6 Rxd6 24.Nc5 ² (0.53) Depth: 5/17 00:00:00 14kN 21.Bf2 Be7 22.Nc5 Qc8 23.exd6 Bxd6 24.Qe3 ² (0.53) Depth: 6/18 00:00:00 35kN 21.Bf2 Bxf2 22.Qxf2 Qc7 23.exd6 Rxd6 24.Rxd6 Qxd6 25.Qc5 Qc7 ² (0.41) Depth: 7/22 00:00:00 144kN 21.Re2 ² (0.44) Depth: 7/22 00:00:00 236kN 21.Re2 d5 22.Bf2 Be7 23.Bc5 Bh4 ² (0.50) Depth: 7/22 00:00:00 265kN 21.Re3 ² (0.53) Depth: 7/22 00:00:00 328kN 21.Re3 d5 22.Nc5 Qe7 23.Rd3 Rbc8 24.Be3 ² (0.56) Depth: 7/22 00:00:00 343kN 21.Re3 d5 22.Rd3 Rbc8 23.g3 Be7 24.Bc5 a6 25.Bxe7 Qxe7 ² (0.53) Depth: 8/20 00:00:01 456kN 21.Re3 d5 22.Rd3 Rbc8 23.g3 Be7 24.Bc5 a6 25.Bxe7 Qxe7 ² (0.53) Depth: 9/25 00:00:01 967kN 21.exd6 ² (0.56) Depth: 9/25 00:00:02 1450kN 21.exd6 Bxe1 22.Qxe1 Qe8 23.Nc5 e5 24.Na6 Rbc8 25.Nc7 Rxc7 ² (0.59) Depth: 10/24 00:00:02 1712kN 21.exd6 Bxe1 22.Qxe1 Qe8 23.Nc5 e5 24.Bh2 f6 25.Qh4 Qf7 ² (0.66) Depth: 11/24 00:00:05 3790kN 21.exd6 Bxe1 22.Qxe1 Qe8 23.Nc5 e5 24.Bf2 exf4 25.Qxe8+ Rxe8 ± (0.78) Depth: 12/28 00:00:10 8640kN 21.exd6 Bxe1 22.Qxe1 Qe8 23.Nc5 e5 24.Bf2 f6 25.d7 Qf7 ± (0.75) Depth: 13/28 00:00:25 22603kN (Karu, Eran Karu 21.05.2004) Eran Karu
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