Author: Les Fernandez
Date: 09:33:14 12/03/02
Go up one level in this thread
On December 03, 2002 at 03:33:02, Dann Corbit wrote: >On December 02, 2002 at 16:03:58, Les Fernandez wrote: > >>I am conducting an initial experiment which will involve running 32 EPD >>positions using the crafty engine. I ran 1 position on a very slow machine >>(Pentium II 350 Mhz with only 4 piece EGTB) and it took 6 hours to find the >>mate. With current hardware it should not take that long. If someone, using >>fast hardware and crafty, can run the 32 positions all the same way and provide >>me with the epd output file I would be very thankful. Afterwards I would be >>interested in running the exact same positions with another engine other then >>crafty perhaps CM, Ruffian or Chess Tiger. >> >>Following are the 32 epd positions: >> >>1k1r3r/2pq4/Q2pp1pp/3p4/R2bP3/8/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/R2p4/3bP3/8/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/2R5/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/3R4/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/4R3/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/5R2/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/6R1/PPPB2PP/2KR4 w - - >>1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/7R/PPPB2PP/2KR4 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb2R/8/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p2R/3Pb3/8/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/5R2/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/4R3/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/3R4/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/2R5/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/1R6/PP2BPPP/4RK2 w - - >>r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/R7/PP2BPPP/4RK2 w - - >>2kr4/pppb2pp/8/r2Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/8/3Bp3/r2P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/2r5/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/3r4/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/4r3/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/5r2/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/6r1/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>2kr4/pppb2pp/7r/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - >>4rk2/pp2bppp/8/3pB2r/4P3/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/8/3pB3/4P2r/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/5r2/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/4r3/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/3r4/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/2r5/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/1r6/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - >>4rk2/pp2bppp/r7/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - > >24 of these positions will prove very difficult. The other 8 are trivial mate >in 1 problems. Unfortunately, the mate is not the rook move you were hoping >for. But still, the rook move will still win. Dann thank you so much for the 2 engine results. Actually I was not hoping for a rook move in those case where the move involved another piece. It actually has nothing to do with what I am looking for and what I was looking for has been verified atleast with this data set and the Ruffian data set. I am in the process of putting together some documentation regarding what you and I have talked about in the past along with the current study I am doing. As always I will keep you posted. Les > >[D]1k1r3r/2pq4/Q2pp1pp/3p4/R2bP3/8/PPPB2PP/2KR4 w - - acd 4; acn 3148; acs 2; ce >32766; pv Qa8#; >[D]1k1r3r/2pq4/Q2pp1pp/R2p4/3bP3/8/PPPB2PP/2KR4 w - - acd 4; acn 2646; acs 1; ce >32766; pv Qa8#; >1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/2R5/PPPB2PP/2KR4 w - - acd 13; acn 74374521; acs >120; ce 1774; pv Ra3 Qc6 Qxc6 Ba7 Rxa7 Kxa7 Qxc7+ Ka8 Be3 Rh7 Qxd8+ Kb7 Qxd6 d4 >Bxd4 Rf7 Qb6+ Ka8 Qxe6; >1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/3R4/PPPB2PP/2KR4 w - - acd 11; acn 81290178; acs >120; ce 1570; pv Ra3 Qa4 Qxa4 Ba7 Qxa7+ Kc8 Ba5 Rh7 Qa6+ Kd7 Bxc7 Kxc7 Rc3+ Kd7 >Qb7+ Ke8 Qxh7 dxe4 Qxg6+; >1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/4R3/PPPB2PP/2KR4 w - - acd 11; acn 75479757; acs >121; ce 1570; pv Ra3 Qa4 Qxa4 Ba7 Qxa7+ Kc8 Ba5 Rh7 Qa6+ Kd7 Bxc7 Kxc7 Rc3+ Kd7 >Qb7+; >1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/5R2/PPPB2PP/2KR4 w - - acd 12; acn 73778642; acs >120; ce 2312; pv Ra3 Qc6 Qxc6 Ba7 Qb5+ Bb6 Qa6 Ba7 Qxa7+ Kc8 Ba5; >1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/6R1/PPPB2PP/2KR4 w - - acd 13; acn 79533595; acs >120; ce 2312; pv Ra3 Qc6 Qxc6 Ba7 Qb5+ Bb6 Qa6; >1k1r3r/2pq4/Q2pp1pp/3p4/3bP3/7R/PPPB2PP/2KR4 w - - acd 13; acn 80488289; acs >121; ce 2312; pv Ra3 Qc6 Qxc6; >[D]r3r1k1/4qp2/pp1pp2Q/4p3/3Pb2R/8/PP2BPPP/4RK2 w - - acd 4; acn 3187; acs 1; ce >32766; pv Qh8#; >[D]r3r1k1/4qp2/pp1pp2Q/4p2R/3Pb3/8/PP2BPPP/4RK2 w - - acd 4; acn 2646; acs 1; ce >32766; pv Qh8#; >r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/5R2/PP2BPPP/4RK2 w - - acd 13; acn 70630500; acs >120; ce 1775; pv Rh3 Qf6 Qxf6 Bh7 Qg5+ Bg6 Qh6 Bh7 Qxh7+ Kf8 Bh5 Ra7 Rg3 exd4 >Rg8+ Ke7 Qxf7+ Kd8 Rxe8#; >r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/4R3/PP2BPPP/4RK2 w - - acd 11; acn 84852112; acs >120; ce 1774; pv Rh3 Qf6 Qxf6 Bh7 Rxh7 Kxh7 Qxf7+ Kh8; >r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/3R4/PP2BPPP/4RK2 w - - acd 12; acn 79077794; acs >121; ce 2312; pv Rh3 Qh4 Qxh4 Bh7 Qxh7+ Kf8 Bh5 Ra7 Rf3 f5 Qh8+ Ke7 Qxe8+ Kf6 >Qg6+ Ke7 Qg7+ Kd8 Qxa7; >r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/2R5/PP2BPPP/4RK2 w - - acd 12; acn 80641665; acs >120; ce 2312; pv Rh3 Qh4 Qxh4; >r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/1R6/PP2BPPP/4RK2 w - - acd 12; acn 80494890; acs >121; ce 2312; pv Rh3 Qh4 Qxh4 Bh7 Qxh7+ Kf8 Bh5 Ra7 Rf3 f5 Qh8+ Ke7 Qxe8+ Kf6 >Qg6+ Ke7 Qg7+ Kd8 Qxa7; >r3r1k1/4qp2/pp1pp2Q/4p3/3Pb3/R7/PP2BPPP/4RK2 w - - acd 12; acn 79722591; acs >120; ce 2478; pv Rh3 Qf6 Qxf6 Bh7 Qg5+ Bg6 Qh6 Bh7 Qxh7+ Kf8 Bh5 Ra7 Rf3 f5 Qh8+ >Ke7 Qxe8+ Kf6 Qg6+ Ke7; >[D]2kr4/pppb2pp/8/r2Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 4; acn 3189; acs 1; ce >32766; pv Qa1#; >[D]2kr4/pppb2pp/8/3Bp3/r2P4/q2PP1PP/2PQ4/1K1R3R b - - acd 4; acn 2648; acs 1; ce >32766; pv Qa1#; >2kr4/pppb2pp/2r5/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 13; acn 70710899; acs >121; ce 1775; pv Ra6 Qc3 Qxc3 Ba2 Qb4+ Bb3 Qa3 Ba2 Qxa2+ Kc1 Ba4 Rh2 Rb6 dxe5 >Rb1+ Kd2 Qxc2+ Ke1 Rxd1#; >2kr4/pppb2pp/3r4/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 11; acn 84654081; acs >120; ce 1774; pv Ra6 Qc3 Qxc3 Ba2 Rxa2 Kxa2 Qxc2+ Ka1 Be6 Rh2 Qxd1+ Kb2 Qxd3 d5 >Bxd5 Rf2; >2kr4/pppb2pp/4r3/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 12; acn 74866855; acs >120; ce 1515; pv Ra6 Qc3 Qxc3 Ba2 Ba4 Rh2 Rb6+ Bb3 Rxb3+ cxb3; >2kr4/pppb2pp/5r2/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 11; acn 73751013; acs >120; ce 1570; pv Ra6 Qa5 Qxa5 Ba2 Qxa2+ Kc1 Ba4 Rh2 Qa3+ Kd2 Bxc2 Kxc2 Rc6+ Kd2 >Qb2+ Ke1 Qxh2 dxe5 Qxg3+; >2kr4/pppb2pp/6r1/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 12; acn 79422486; acs >121; ce 2312; pv Ra6 Qc3 Qxc3 Ba2 Qb4+ Bb3 Qa3 Ba2 Qxa2+ Kc1 Ba4; >2kr4/pppb2pp/7r/3Bp3/3P4/q2PP1PP/2PQ4/1K1R3R b - - acd 12; acn 79096122; acs >120; ce 2312; pv Ra6 Qc3 Qxc3 Ba2 Qb4+ Bb3 Qa3 Ba2 Qxa2+; >[D]4rk2/pp2bppp/8/3pB2r/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 4; acn 3155; acs 1; ce >32766; pv Qh1#; >[D]4rk2/pp2bppp/8/3pB3/4P2r/PP1PP2q/4QP2/R3R1K1 b - - acd 4; acn 2646; acs 1; ce >32766; pv Qh1#; >4rk2/pp2bppp/5r2/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 13; acn 71722575; acs >120; ce 1774; pv Rh6 Qf3 Qxf3 Bh2 Rxh2 Kxh2 Qxf2+ Kh1 Bd6 Ra2 Qxe1+ Kg2 Qxe3 e5 >Bxe5 Rc2 Qg3+ Kh1 Qxd3; >4rk2/pp2bppp/4r3/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 11; acn 81509213; acs >121; ce 1775; pv Rh6 Qh5 Qxh5 Bh2 Qxh2+ Kf1 Bh4 Ra2 Rg6 exd5 Rg1+ Ke2 Qxf2+ Kd1 >Rxe1#; >4rk2/pp2bppp/3r4/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 12; acn 74441172; acs >120; ce 1666; pv Rh6 Qf3 Qxf3 Bh2 Bh4 Re2 Qxe2 Rf1 Qxd3 exd5 Rg6+ Bg3 Bxg3 fxg3 >Rxe3; >4rk2/pp2bppp/2r5/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 12; acn 73589448; acs >120; ce 1497; pv Rh6 Qh5 Qxh5 f3 Qxe5 Kf2 Rh2+ Kg1 Qg3+ Kf1 Qxf3+; >4rk2/pp2bppp/1r6/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 12; acn 74209652; acs >121; ce 1399; pv Rh6 Qf3 Qxf3 Bh2 Qg4+ Bg3 Qh3 Bh2 Qxh2+ Kf1 dxe4 dxe4 Qh1+ Ke2 >Qxe4; >4rk2/pp2bppp/r7/3pB3/4P3/PP1PP2q/4QP2/R3R1K1 b - - acd 12; acn 77325452; acs >120; ce 2312; pv Rh6 Qh5 Qxh5 Bh2 Qxh2+ Kf1 Bh4 Ra2 Rf6 f4 Qh1+ Ke2 Qxe1+ Kf3 >Qg3+ Ke2 Qf2+ Kd1 Qxa2;
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