Author: Mike Hood
Date: 04:12:32 12/04/02
Go up one level in this thread
On December 03, 2002 at 19:19:25, Jeroen van Dorp wrote: >On December 03, 2002 at 15:11:20, Mike Hood wrote: > >>Fritz 7 doesn't rate his winning chances as highly as Ruffian, but still chooses >>RxP after 6 seconds on my Pentium 3 733 MHz. >> >>Analysis by Fritz 7: >> >>1.Qe2-e3 a4-a3 2.Nc3-b5 a3xb2 3.Qe3-h6+ Kf8-e8 4.Qh6-h8+ Nd7-f8 5.Nb5-c7+ Rc8xc7 >> ³ (-0.37) Depth: 6/26 00:00:00 82kN >>1.Qe2-e3 Bb4xc3 2.b2xc3 Qb7-d5 3.Rh4-e4 Kf8-g8 4.Rd1-d2 Rc8-b8 >> ³ (-0.31) Depth: 7/28 00:00:00 142kN >>1.Qe2-e3 Kf8-e8 2.Nc3-b5 Bb4-c5 3.Nb5-c7+ Rc8xc7 4.d6xc7 Qb7xb2 >> ³ (-0.31) Depth: 8/26 00:00:00 316kN >>1.Qe2-e3 Kf8-e8 2.Rd1-a1 Bb4xc3 3.Qe3xc3 Nd7-c5 4.Qc3-c2 Qb7-d5 5.Nd4-f3 Nc5-d3 >> ³ (-0.44) Depth: 9/29 00:00:03 989kN >>1.Rh4xh5! >> ³ (-0.41) Depth: 9/30 00:00:06 2092kN >>1.Rh4xh5! >> = (-0.25) Depth: 9/30 00:00:07 2358kN >>1.Rh4xh5 g6xh5 2.Qe2xh5 Nd7xf6 3.e5xf6 Bb4xd6+ 4.Kg3-h3 Kf8-e8 5.Nd4xe6 Rc8-c6 >>6.Rd1-g1 Bd6-f8 >> = (0.00) Depth: 9/30 00:00:09 2902kN >>1.Rh4xh5 g6xh5 2.Qe2xh5 Nd7xf6 3.e5xf6 Bb4xd6+ 4.Kg3-h3 Kf8-e8 5.Nd4xe6 Ra8-a6 >>6.Rd1-g1 Rc8-b8 7.Rg1-g8+ Ke8-d7 8.Rg8xb8 >> = (0.00) Depth: 10/32 00:00:12 4081kN >>1.Rh4xh5! >> ² (0.28) Depth: 11/36 00:00:26 9504kN >>1.Rh4xh5! >> ² (0.56) Depth: 11/36 00:00:34 12556kN >>1.Rh4xh5! >> ± (1.13) Depth: 11/37 00:00:45 16947kN >>1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Qe2-e3 Bd6-f8 5.Rh5-b5 Qb7-d7 >>6.Kh3-g2 Bf8-c5 7.Qe3-e5 >> +- (1.88) Depth: 11/37 00:01:34 35420kN >>1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Rd1-g1 Rc8-e8 5.Qe2-f2 Bd6-f8 >>6.Qf2-h4 Bf8-g7 7.Rh5-b5 >> +- (1.66) Depth: 12/38 00:02:28 55181kN > > >Just for fun and out of curiousity, I compared this with my P4@2.5GHz > > >Analysis by Fritz 7: > >1.Qe3 Bxc3 2.bxc3 Qd5 3.Re4 Kg8 4.Rd2 Rcb8 > ³ (-0.31) Depth: 7/28 00:00:00 179kN >1.Qe3 Ke8 2.Ncb5 Bc5 3.Nc7+ Rxc7 4.dxc7 Qxb2 > ³ (-0.31) Depth: 8/26 00:00:00 316kN >1.Qe3 Ke8 2.Ra1 Bxc3 3.Qxc3 Nc5 4.Qc2 Qd5 5.Nf3 Nd3 > ³ (-0.44) Depth: 9/29 00:00:01 991kN >1.Rxh5 > ³ (-0.41) Depth: 9/29 00:00:02 1999kN >1.Rxh5 > = (-0.25) Depth: 9/29 00:00:03 2235kN >1.Rxh5 gxh5 2.Qxh5 Nxf6 3.exf6 Bxd6+ 4.Kh3 Ke8 5.Nxe6 Rc6 6.Rg1 Bf8 > = (0.00) Depth: 9/30 00:00:03 2746kN >1.Rxh5 gxh5 2.Qxh5 Nxf6 3.exf6 Bxd6+ 4.Kh3 Ke8 5.Nxe6 Ra6 6.Rg1 Rb8 7.Rg8+ Kd7 >8.Rxb8 > = (0.00) Depth: 10/32 00:00:05 3850kN >1.Rxh5! > ² (0.28) Depth: 11/36 00:00:11 9177kN >1.Rxh5! > ² (0.56) Depth: 11/36 00:00:14 11998kN >1.Rxh5! > ± (1.13) Depth: 11/37 00:00:19 15964kN >1.Rxh5! Nxf6 2.exf6 Bxd6+ 3.Kh3 Kg8 4.Qe3 Bf8 5.Rb5 Qc7 6.Kg2 Rd8 7.Ne4 > +- (1.88) Depth: 11/37 00:00:40 32522kN >1.Rxh5 Nxf6 2.exf6 Bxd6+ 3.Kh3 Kg8 4.Qe3 Bf8 5.Rb5 Qc7 6.Kg2 Rd8 7.Ne4 e5 > +- (1.72) Depth: 12/38 00:00:59 48780kN > >the last lines are remarkably different. Could be parameter or hash settings? Maybe. I'm using the default parameters with 128 MB hash tables. To be honest, I'm more curious about the differences between Chess Tiger and Gambit Tiger. Let's hope Christophe is reading the forum at the moment.
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