Author: Uri Blass
Date: 01:18:47 09/25/01
Go up one level in this thread
On September 24, 2001 at 18:40:34, Vincent Diepeveen wrote: >On September 24, 2001 at 01:49:35, Michel Langeveld wrote: > >Nxh7 is clearly better: > >00:00 0 0 6 (0) 1 -0.143 Rf1xf7 Rf8xf7 Ng5xf7 Kg8xf7 >00:00 0 0 12 (0) 1 -0.102 Ng5xh7 Kg8xh7 >00:00 0 0 17 (0) 1 2.636 Rf1-f2 >00:00 0 0 19 (0) 1 3.124 Qe2-f3 >00:00 0 0 20 (0) 1 3.126 Qe2-f2 >00:00 0 0 106 (0) 2 2.043 Qe2-f2 f7-f5 >++ e2-f3 >00:00 0 0 248 (0) 2 2.051 Qe2-f3 f7-f5 >++ e2-c4 >00:00 0 0 731 (0) 2 2.260 Qe2-c4 Bd7-e8 >++ d4-d5 >00:00 0 0 885 (0) 2 2.413 d4-d5 Bd7-g4 >++ a4-a5 >00:00 0 0 1034 (0) 2 2.701 a4-a5 Qb6-c7 >00:00 0 0 2105 (0) 3 3.146 a4-a5 Qb6-c7 Qe2-f2 >00:00 0 0 4632 (102) 4 2.295 a4-a5 Qb6-c7 Qe2-a2 Bd7-e8 >00:00 0 0 30305 (5471) 5 2.425 a4-a5 Qb6-c7 Qe2-a2 Bd7-e8 Be4-d3 >00:01 0 0 114634 (13415) 6 2.180 a4-a5 Qb6-c7 Qe2-a2 Bd7-e8 Be4-d3 Nb8-a6 >++ e2-c4 >++ e2-f2 >00:02 0 0 209298 (36014) 6 2.320 Qe2-f2 f7-f5 Qf2-a2 Kg8-h8 a4-a5 Qb6-c7 Be4-d3 > >00:07 0 0 718889 (154236) 7 1.913 Qe2-f2 a7-a5 Ra1-b1 f7-f5 e5xf6 Bg7xf6 Qf2-a2 >Kg8-h8 >++ a4-a5 >00:11 0 0 1034765 (204357) 7 2.348 a4-a5 Qb6-d8 Qe2-f2 Bd7-e8 e5-e6 f7-f6 Ng5-f3 > >00:21 0 0 2051958 (403118) 8 2.308 a4-a5 Qb6-d8 Qe2-f2 Nb8-a6 Be4-d3 Bd7-e8 Bd3- >c4 e7-e6 >01:00 0 0 6086264 (776132) 9 2.296 a4-a5 Qb6-d8 Qe2-f2 e7-e6 Qf2-f4 f7-f5 e5xf6 >Rf8xf6 Qf4-h4 >++ e2-f2 >01:20 0 0 8205941 (889111) 9 2.301 Qe2-f2 Bd7-e8 Qf2-h4 h7-h6 Ng5-h3 a7-a5 Qh4xe >7 a5xb4 Qe7xb4 Qb6xb4 c3xb4 >03:57 0 0 23944783 (4685193) 10 2.359 Qe2-f2 a7-a5 e5-e6 f7xe6 Qf2-h4 h7-h6 Be4x >g6 Rf8-f6 Rf1xf6 e7xf6 Ng5-h7 a5xb4 Nh7xf6 Kg8-f8 >10:59 0 0 67045582 (19419930) 11 2.575 Qe2-f2 Nb8-a6 Be4-d3 Bd7-e8 Bd3-c4 Qb6-d8 > Ng5xf7 Be8xf7 Bc4xf7 Kg8-h8 Qf2-h4 Na6-c7 >22:30 0 0 135272571 (36406481) 12 2.995 Qe2-f2 Bd7-e8 Qf2-h4 h7-h6 Ng5-f3 a7-a5 >Be3xh6 f7-f6 Ra1-b1 Qb6-c7 Bh6xg7 Kg8xg7 >++ g5-h7 >25:12 0 0 151503190 (37147754) 12 3.988 Ng5xh7 Kg8xh7 Qe2-h5 Kh7-g8 Be4xg6 f7xg6 > Qh5xg6 Rf8xf1 Ra1xf1 c6-c5 Rf1-f6 Kg8-h8 Rf6xb6 a7xb6 Qg6xb6 c5xd4 Qb6-d8 Kh8-h >7 c3xd4 >28:45 0 0 172404675 (38679359) 13 3.988 Ng5xh7 Kg8xh7 Qe2-h5 Kh7-g8 Be4xg6 f7xg6 > Qh5xg6 Rf8xf1 Ra1xf1 c6-c5 Rf1-f6 Kg8-h8 Rf6xb6 a7xb6 Qg6xb6 c5xd4 Qb6-d8 Kh8-h >7 > >Best regards, >Vincent 25:12 for finding Nxh7 is a good time Deep Fritz needs 2:32:25 to see it on p800 Your hardware is faster but certainly not more than 6 times faster than my p800. I am still not convinced that Nxh7 is the best move because I did not anlayze the position after Qf2 but it seems to be the move that programs like after a long search. New position rn3rk1/pp1bppbp/1qp3p1/4P1N1/PP1PB3/2P1B3/4Q1PP/R4RK1 w - - 0 1 Analysis by Deep Fritz: 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4! +- (1.53) Depth: 4/23 00:00:00 7kN 1.Qc4 e6 2.a5 Qa6 3.Qc5 +- (1.69) Depth: 5/19 00:00:00 21kN 1.Qc4 Qa6 2.Qb3 Be8 3.Rae1 Nd7 +- (1.63) Depth: 6/20 00:00:00 44kN 1.a5! +- (1.66) Depth: 6/20 00:00:00 49kN 1.a5 Qd8 2.Qc4 Qe8 3.e6 fxe6 4.Nxe6 Rf7 +- (1.72) Depth: 7/21 00:00:00 146kN 1.a5 Qd8 2.Qf2 e6 3.Nf3 f6 4.exf6 Rxf6 5.Bg5 +- (1.56) Depth: 8/24 00:00:00 315kN 1.e6! +- (1.59) Depth: 8/28 00:00:02 1285kN 1.e6! fxe6 2.Rxf8+ Bxf8 3.a5 Qc7 4.Qf3 Bg7 +- (1.63) Depth: 8/28 00:00:02 1487kN 1.e6 Bxe6 2.Nxe6 fxe6 3.Qg4 Bf6 4.Bh6 Bxd4+ 5.cxd4 Qxd4+ 6.Kh1 Rxf1+ +- (1.78) Depth: 9/27 00:00:03 1867kN 1.e6 Bxe6 2.Nxe6 fxe6 3.Qg4 Rf5 4.a5 Qb5 5.Bxf5 exf5 6.Qg3 +- (1.75) Depth: 10/30 00:00:06 3319kN 1.e6 Bxe6 2.Nxe6 fxe6 3.Rxf8+ Kxf8 4.Rf1+ Bf6 5.Qg4 Kg7 6.a5 Qc7 +- (1.81) Depth: 11/32 00:00:23 12087kN 1.e6 Bxe6 2.Nxe6 fxe6 3.Qg4 Rf5 4.Bxf5 exf5 5.Qe2 a5 6.Qc4+ Kf8 +- (1.78) Depth: 12/35 00:01:04 35937kN 1.a5! +- (1.81) Depth: 12/35 00:01:16 42849kN 1.Qf2! +- (1.84) Depth: 12/36 00:02:02 71266kN 1.Qf2! +- (2.16) Depth: 13/37 00:03:40 132427kN 1.Qf2! Na6 2.Qh4 h6 3.Nf3 Kh7 4.Qxe7 Qd8 5.Qd6 Be6 +- (2.25) Depth: 13/39 00:05:26 198112kN 1.Qf2 Na6 2.e6 fxe6 3.Qh4 h6 4.Bxg6 Rf6 5.Rxf6 exf6 6.Nf7 Kf8 +- (2.38) Depth: 14/39 00:10:38 395693kN 1.Qf2 Na6 2.e6 fxe6 3.Qh4 h6 4.Bxg6 Rf6 5.Rxf6 exf6 6.Nf7 Kf8 +- (2.59) Depth: 15/41 00:24:33 927045kN 1.Qf2 Be8 2.Qh4 h6 3.Nh3 h5 4.Qxe7 Nd7 5.a5 Qd8 6.Qxd8 +- (2.75) Depth: 16/43 00:59:40 2294229kN 1.Nxh7! +- (2.78) Depth: 16/46 02:32:25 5965224kN 1.Nxh7! Kxh7 2.Qh5+ Kg8 3.Bxg6 fxg6 4.Qxg6 Rxf1+ 5.Rxf1 c5 6.Rf6 Kh8 +- (3.50) Depth: 16/46 02:37:38 6170775kN 1.Nxh7 Kxh7 2.Qh5+ Kg8 3.Bxg6 fxg6 4.Qxg6 Rxf1+ 5.Rxf1 c5 6.Rf6 Kh8 +- (3.50) Depth: 17/41 02:47:17 6567375kN 1.Nxh7! +- (3.81) Depth: 18/44 04:15:42 10173298kN 1.Nxh7! +- (4.13) Depth: 19/45 09:37:14 23569104kN (Blass, Tel-aviv 25.09.2001) Uri
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