Author: Les Fernandez
Date: 23:51:43 01/08/05
Go up one level in this thread
On January 09, 2005 at 02:48:49, Uri Blass wrote: >On January 09, 2005 at 02:42:44, Uri Blass wrote: > >>On January 09, 2005 at 00:45:33, Les Fernandez wrote: >> >>>Following are 2 positions that I would like analyzed so that I can compare the >>>times it takes to solve these 2 positions on several differnet engines. Can a >>>few of you run, using different engines, these 2 positions and report the amount >>>of time it takes to find the mate move along with the move? After I get a few >>>analyses and have had time to review them I will report back with my results. >>> >>>Position #1 >>> >>>[D]1b3rk1/pp4pp/2p3n1/1P1p4/P2P2q1/R4NPb/3NBK2/3QR3 b - - >> >>Fruit2(fast) solve both positions at depth 4 in less than a second. >> >>New game, >>1b3rk1/pp4pp/2p3n1/1P1p4/P2P2q1/R4NPb/3NBK2/3QR3 b - - 0 1 >> >>Analysis by Fruit 2.0: >> >>1...Qxd4+ 2.Re3 Bd6 3.bxc6 bxc6 >> = (-0.08) Depth: 1/10 00:00:00 >>1...Bxg3+ 2.Ke3 Qf4+ 3.Kd3 Bxe1 4.Qxe1 >> ยต (-0.98) Depth: 1/10 00:00:00 >>1...Bxg3+ 2.Ke3 Qe6+ 3.Ne5 Bxe1 4.Qxe1 Nxe5 5.dxe5 Qxe5+ 6.Kd3 >> -+ (-2.47) Depth: 2/19 00:00:00 >>1...Qxg3+ 2.Ke3 Bf5 3.Bd3 Re8+ 4.Ne4 dxe4 >> -+ (-2.77) Depth: 2/19 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bxe1 5.Qxe1 >> -+ (-7.13) Depth: 2/19 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Nf4 5.Bf1 Bxe1 6.Qxe1 >> -+ (-7.43) Depth: 3/19 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 4/25 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 5/25 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 6/25 00:00:01 1505kN >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 7/25 00:00:05 5391kN >> >>(, MyTown 09.01.2005) >> >>> >>>Position #2 >>> >>>[D]1b3rk1/pp4pp/2p3n1/1Pqp4/P2P4/R4NPb/3NBK2/3QR3 b - - >> >>New game, >>1b3rk1/pp4pp/2p3n1/1Pqp4/P2P4/R4NPb/3NBK2/3QR3 b - - 0 1 >> >>Analysis by Fruit 2.0: >> >>1...Qxa3 2.bxc6 bxc6 >> -+ (-3.08) Depth: 1/3 00:00:00 >>1...Qxa3 2.Qc2 >> -+ (-3.02) Depth: 2/12 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bxe1 5.Qxe1 >> -+ (-7.13) Depth: 2/15 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Nf4 5.Bf1 Bxe1 6.Qxe1 >> -+ (-7.43) Depth: 3/19 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 4/25 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 5/25 00:00:00 >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 6/25 00:00:00 925kN >>1...Qxd4+ 2.Re3 Bxg3+ 3.Kg1 Qxe3+ 4.Kh1 Bg2+ 5.Kxg2 Qf2+ 6.Kh1 Rf5 7.Bf1 Rh5+ >>8.Bh3 Rxh3+ 9.Nh2 Rxh2# >> -+ (-#9) Depth: 7/25 00:00:03 3209kN >> >>(, MyTown 09.01.2005) > >checking some more programs suggest that movei is extremely slow here and other >programs that I tried solve it in smaller depth than depth 12. > >Maybe the problem is pruning because it is not interested in mate when it can >see a big score. Uri after I get the needed data I think you may find what I am looking at particularly interesting or atleast I hope so. I will make sure you are aware when I post it. Thanks, Les > >Uri
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