Author: Vincent Diepeveen
Date: 07:41:06 05/25/02
Go up one level in this thread
On May 24, 2002 at 23:14:50, Terry McCracken wrote: Comon act a bit normal. Nf3 looks way better initially for the human player, as well as for the computers. you fiddle to h4 and g6 and then make life hell. Only deep analysis proves e5 is better. Like 20+ ply lines. e5 is *not* obvious to mankind for sure. Fact that after nf3 bc6 nh4 the move g5 is already forced says already *something* about Nf3 being a good move. I'm pretty sure Nf3 wins. Usually when a strong player sees a good move he goes for it, missing the rest of the world (forward pruning it). e5 wins harder it appeared, but you need very deep lines to proof that. >On May 24, 2002 at 21:25:37, Joshua Lee wrote: > >>On May 24, 2002 at 21:22:39, Joshua Lee wrote: >> >>>Pretty impressive seeing how it took fritz 6 nearly 19Hours >>>I will check out #3 #6 and #9 but i won't hold my breath. >>>1Ghz Athlon 200Mhz FSB 512MB PC133 CAS 2 256MB for Hash Tables. >>>I wonder how long this will take on an MP 2000+ with 333Mhz FSB or a 2.53Ghz P4. >>> >>> >>>Spassky,B - Petrosian,T >>>[D] r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - 0 1 >>> >>>Analysis by Fritz 7: >>> >>>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Rgf1 Qb6 >>> ² (0.41) Depth: 7/25 00:00:00 103kN >>>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Bd5 Qb6 25.Qg6 Nxd5 >>> ² (0.47) Depth: 8/23 00:00:00 157kN >>>21.Nf3! >>> ² (0.50) Depth: 8/25 00:00:00 319kN >>>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qh5 >>> ² (0.53) Depth: 8/25 00:00:01 504kN >>>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qd2 25.Nxf8+ Rxf8 26.Bxe6 Bxe6 >>> ² (0.66) Depth: 9/27 00:00:02 854kN >>>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kg8 24.Qxg5 hxg5 25.Rd1 Bc6 26.Nxf8 Kxf8 27.Rxd6 >>>Bxe4 >>> ± (0.72) Depth: 10/27 00:00:04 1804kN >>>21.Nce2! >>> ± (0.75) Depth: 10/27 00:00:05 2369kN >>>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Nc3 Rxc3 25.bxc3 Qb6 >>> ± (0.81) Depth: 10/27 00:00:06 2802kN >>>21.Nce2! >>> ± (1.09) Depth: 11/32 00:00:14 6582kN >>>21.Nce2 g5 22.h4 g4 23.Nf4 e5 24.Nde6 Bxe6 25.Nxe6 Qe7 26.Rxf6 Qxf6 27.Qxg4 >>> ± (1.06) Depth: 12/33 00:00:30 14818kN >>>21.Nf3! >>> ± (1.09) Depth: 12/33 00:00:41 20341kN >>>21.Nf3! >>> ± (1.25) Depth: 12/33 00:00:49 24271kN >>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4 >>>28.Qd2 >>> ± (1.31) Depth: 13/34 00:01:39 50333kN >>>21.Nf3 Ng8 22.Qg3 Rc8 23.Nh4 g5 24.Ng6+ Kg7 25.Nxf8 Rxf8 26.h4 Rxf1+ 27.Rxf1 Rc6 >>>28.e5 >>> ± (1.28) Depth: 14/35 00:04:03 124459kN >>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4 >>>28.Qd2 >>> ± (1.34) Depth: 15/40 00:15:18 477330kN >>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.h4 g4 26.Bxe6 h5 27.Bf5+ Kg7 >>>28.Qd2 >>> ± (1.34) Depth: 16/41 00:31:20 984335kN >>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Bd7 26.Bf5+ Bxf5 27.Rxf5 >>>Qe7 >>> ± (1.28) Depth: 17/42 00:59:23 1900289kN >>>21.Nf3! >>> +- (1.56) Depth: 18/44 02:30:01 4806584kN >>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.h4 g4 25.Nf4 Bg7 26.Nxe6 Qe7 27.Qf2 >>> +- (1.56) Depth: 19/47 06:13:53 12182535kN >>>21.e5! >>> +- (1.59) Depth: 19/47 07:40:31 15026884kN >>>21.e5 dxe5 22.Ne4 Nh5 23.Qg4 Nf4 24.Nf3 Qc7 25.Nh4 Bc6 26.Rxf4 exf4 27.Ng6+ >>> +- (1.72) Depth: 19/47 09:14:54 18109538kN >>>21.e5! >>> +- (2.00) Depth: 20/48 15:24:46 30334556kN >>> >>>(Lee, Pensacola,FL 24.05.2002) >> >> >>When i was writing this Fritz went to the next iteration? >>maybe someone can explain it for me >>Spassky,B - Petrosian,T >>r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - 0 1 >> >>Analysis by Fritz 7: >> >>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Rgf1 Qb6 >> ² (0.41) Depth: 7/25 00:00:00 103kN >>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Bd5 Qb6 25.Qg6 Nxd5 >> ² (0.47) Depth: 8/23 00:00:00 157kN >>21.Nf3! >> ² (0.50) Depth: 8/25 00:00:00 319kN >>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qh5 >> ² (0.53) Depth: 8/25 00:00:01 504kN >>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qd2 25.Nxf8+ Rxf8 26.Bxe6 Bxe6 >> ² (0.66) Depth: 9/27 00:00:02 854kN >>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kg8 24.Qxg5 hxg5 25.Rd1 Bc6 26.Nxf8 Kxf8 27.Rxd6 >>Bxe4 >> ± (0.72) Depth: 10/27 00:00:04 1804kN >>21.Nce2! >> ± (0.75) Depth: 10/27 00:00:05 2369kN >>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Nc3 Rxc3 25.bxc3 Qb6 >> ± (0.81) Depth: 10/27 00:00:06 2802kN >>21.Nce2! >> ± (1.09) Depth: 11/32 00:00:14 6582kN >>21.Nce2 g5 22.h4 g4 23.Nf4 e5 24.Nde6 Bxe6 25.Nxe6 Qe7 26.Rxf6 Qxf6 27.Qxg4 >> ± (1.06) Depth: 12/33 00:00:30 14818kN >>21.Nf3! >> ± (1.09) Depth: 12/33 00:00:41 20341kN >>21.Nf3! >> ± (1.25) Depth: 12/33 00:00:49 24271kN >>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4 >>28.Qd2 >> ± (1.31) Depth: 13/34 00:01:39 50333kN >>21.Nf3 Ng8 22.Qg3 Rc8 23.Nh4 g5 24.Ng6+ Kg7 25.Nxf8 Rxf8 26.h4 Rxf1+ 27.Rxf1 Rc6 >>28.e5 >> ± (1.28) Depth: 14/35 00:04:03 124459kN >>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4 >>28.Qd2 >> ± (1.34) Depth: 15/40 00:15:18 477330kN >>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.h4 g4 26.Bxe6 h5 27.Bf5+ Kg7 >>28.Qd2 >> ± (1.34) Depth: 16/41 00:31:20 984335kN >>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Bd7 26.Bf5+ Bxf5 27.Rxf5 >>Qe7 >> ± (1.28) Depth: 17/42 00:59:23 1900289kN >>21.Nf3! >> +- (1.56) Depth: 18/44 02:30:01 4806584kN >>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.h4 g4 25.Nf4 Bg7 26.Nxe6 Qe7 27.Qf2 >> +- (1.56) Depth: 19/47 06:13:53 12182535kN >>21.e5! >> +- (1.59) Depth: 19/47 07:40:31 15026884kN >>21.e5 dxe5 22.Ne4 Nh5 23.Qg4 Nf4 24.Nf3 Qc7 25.Nh4 Bc6 26.Rxf4 exf4 27.Ng6+ >> +- (1.72) Depth: 19/47 09:14:54 18109538kN >>21.e5! >> +- (2.00) Depth: 20/48 15:24:46 30334556kN >>21.e5! >> +- (2.28) Depth: 20/48 18:05:58 35621176kN >> >>(Lee, Pensacola,FL 24.05.2002) > >I'm disappointed actually, as an experienced player, familiar with such setups >sees 21.e5! almost instantly! > > >An area where the "Chess Mind" remains superior to the machine. > >Terry
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.