Author: Vincent Diepeveen
Date: 01:50:23 10/17/01
Go up one level in this thread
On October 17, 2001 at 00:02:15, Miguel A. Ballicora wrote: position 1: Kf1 Ok i see clearly why Kf1 wins. Diep also shows it. fails high after half a minute. mainline comes within the minute. 00:01 0 0 375 (0) 2 -0.530 Qd5xe6 Re8xe6 00:01 0 0 949 (0) 3 -0.325 Qd5xe6 Re8xe6 Re1-a1 00:01 0 0 1997 (95) 4 -0.675 Qd5xe6 Re8xe6 Kg1-f1 a7-a6 ++ e1-d1 00:01 0 0 7749 (1742) 4 -0.648 Re1-d1 Ne5-g4 Qd5xe6 Re8xe6 ++ e1-a1 00:01 0 0 9040 (2048) 4 -0.578 Re1-a1 a7-a5 Ra1-b1 a5-a4 ++ f4-f1 ++ e1-e3 ++ g1-h1 00:01 0 0 14621 (2865) 4 -0.493 Kg1-h1 Kh8-g7 Qd5-b7 Qe6-f7 00:01 0 0 24344 (7485) 5 -0.385 Kg1-h1 a7-a5 g2-g4 Qe6xd5 c4xd5 f5xg4 00:02 0 0 40578 (9989) 6 -0.439 Kg1-h1 Kh8-g7 g2-g4 f5xg4 Rf4-e4 Kg7-f6 00:03 0 0 139644 (34506) 7 -0.286 Kg1-h1 h7-h5 Qd5-b7 Qe6-e7 Qb7-a6 Kh8-g7 Kh1-g 1 00:05 0 0 306260 (69706) 8 -0.255 Kg1-h1 Kh8-g7 Rf4-f2 a7-a5 Rf2-e2 Qe6xd5 c4xd5 Kg7-f6 00:07 0 0 568751 (194267) 9 -0.215 Kg1-h1 Kh8-g7 Rf4-f2 Kg7-f6 Rf2-d2 Re8-e7 Rd2 -d1 Qe6xd5 c4xd5 00:11 0 0 1052068 (222744) 10 -0.242 Kg1-h1 Kh8-g7 Rf4-f2 Kg7-f6 Rf2-e2 Qe6xd5 c 4xd5 a7-a5 d5-d6 Re8-e6 00:22 0 0 2781335 (275992) 11 -0.069 Kg1-h1 Kh8-g7 Rf4-f2 Kg7-f6 Rf2-e2 Re8-e7 K h1-g1 Qe6-c6 Kg1-f1 Qc6-c7 Kf1-g1 ++ g1-f1 00:57 0 0 8093766 (1449452) 11 0.773 Kg1-f1 Qe6xd5 c4xd5 Kh8-g7 Rf4-f2 Kg7-f6 Rf 2-e2 h7-h5 d5-d6 h5-h4 d6-d7 Ne5-f7 01:15 0 0 10871132 (1553026) 12 0.773 Kg1-f1 Qe6xd5 c4xd5 Kh8-g7 Rf4-f2 Kg7-f6 R f2-e2 h7-h5 02:49 0 0 25802555 (2208346) 13 2.260 Kg1-f1 Qe6xd5 c4xd5 Kh8-g7 Rf4-f2 Kg7-f6 R f2-e2 h7-h5 d5-d6 b6-b5 >I cleaned up WCSAC and I ended up with 34 positions I like (out of 1000). >I have been very selective. I tossed out all the positions that were >extremely easy, too difficult, difficult to prove, with cooks, with moves that >could be played without understanding the combination, with solutions that could >be potentially confused if there are problems in the eval, wrong solutions etc. >Therefore, remaining positions are supposed to be tactical/combinatorial >and have a clean unique solution. >When in doubt, I tossed out the position. I am intending to use them to use >the time needed to solve the positions rather than using % of correct ones. > >I havent't changed (yet) the position that Terry corrected because I did >not test it. I think I will, Chest proved it correct. > >I have four positions that could be potentially interesting but look >a bit difficult and there are about ~100 that I will go through later, but >they are certainly easier. > >So, these are the positions, please test them with your favorite engine >and let me know of any problem. > >Miguel > > >4r2k/p6p/1p2q1p1/2pQnp2/2P2R2/2P5/6PP/4R1K1 w - - bm Kf1; id "WCSAC.0042"; >2r2rk1/pb1nq1pp/1p2p3/2ppN2P/2PPpPP1/4P3/PPQ5/2KR1B1R w - - bm Ng6; id position 2 is a 1 second thing. Ng6 found at 7 ply with huge score. >"WCSAC.0148"; >r1q3rk/1ppbb1pp/4Np2/p4P2/P3P3/2N2R2/1PP1Q1PP/3R2K1 w - - bm Rh3; id Rh3 at 7 ply >"WCSAC.0224"; >b4rk1/2Rn1pp1/p3qb1p/1p1ppN1N/6P1/PP2B2P/1P1Q4/6K1 w - - bm Rxd7; id then Nd5 with +2.xx then a some seconds later Rh3 again with +3.2 then another few seconds later +5.xx for Rh3. both Nd5 and Rh3 win the game obviously and that result is the ony thing that matters. >"WCSAC.0518"; >b2qr1k1/5ppp/pn6/1p1n1N2/3PR3/P2B4/1B3PPP/2Q3K1 w - - bm Qg5; id "WCSAC.0733"; Qg5 mate in 7 within a second and 190k nodes in total. >2r2rk1/pp1q1ppp/3bpn2/3p1P2/1P1Q4/P1N1P3/1BP2P1P/R3K2R w KQ - bm Nxd5; id >"WCSAC.0782"; Nxd5 at 6 ply already. Man what a peanut. >r4rk1/5p2/4p1p1/1pqpP1NP/1pn2P2/7Q/PPP4P/1K1RR3 b - - bm Rxa2; id "WCSAC.0844"; Rxa2 at 5 ply with huge score. >r1b1r1k1/1p1n1p1p/2ppnqp1/8/p1P1P3/5P2/PbNQNBPP/1R2RBK1 w - - bm Rxb2; id Rxb2 at 7 ply >"WCSAC.0850"; >3rr1k1/pp3ppp/6q1/2b2b2/5P2/3P1Q1P/PPPB2P1/R2K2NR b - - bm Bxd3; id Bxd3 at 6 ply >"WCSAC.0903"; >2r2r2/3qbpkp/p3n1p1/2ppP3/6Q1/1P1B3R/PBP3PP/5R1K w - - bm Rxh7+; id Rxh7 at 7 ply >"WCSAC.0914"; >1n1r1rn1/1p1qb1kp/p2p1pp1/2pPp1P1/4P2N/2P3P1/PPB2PK1/R1BQ3R w - - bm Nf5+; id >"WCSAC.0933"; >1q2kb1r/1r1n1ppp/2Qpp3/8/N7/8/1PP2PPP/R1BR2K1 w - - bm Nc5; id "WCSAC.0055"; >rrq1k3/2p2p2/3pb1p1/3N2Pp/p1PpPR2/P2P3P/1P6/K2Q1R2 w q - bm Rxf7; id >"WCSAC.0145"; >1r3r2/1b4kp/1q1p2p1/p1n1P1p1/1p2P3/7P/PPPQNNBK/R4R2 b - - bm Rxf2; id >"WCSAC.0257"; >r1q2rk1/pbpnbppp/1p6/4p3/2P5/1PQ2NP1/PB2PPBP/R2R2K1 w - - bm Rxd7; id >"WCSAC.0325"; >2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - bm Qh5+; id >"WCSAC.0398"; >4r2k/p2qr1pp/1pp2p2/2p1nP1N/4R3/1P1P2RP/1PP2QP1/7K w - - bm Rxg7; id >"WCSAC.0442"; >r1b1r1k1/pp3p1p/1q2p1pQ/2b1P1B1/8/P2B3P/1P3PP1/2R1R1K1 w - - bm Rxc5; id >"WCSAC.0506"; >r4rk1/ppp3p1/2bpq3/5pPR/3Qn3/5N2/PPP2PP1/2K4R w - - bm Ne5; id "WCSAC.0568"; >4rrk1/ppp2p1p/3q1B2/2bpp3/R7/1PPb1Q2/1P1N1PPP/4R1K1 w - - bm Ne4; id >"WCSAC.0589"; >r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - bm Qh6+; id >"WCSAC.0738"; >5rk1/pb3pp1/5n1p/1p2n3/1P1qp3/2N5/P2PQPPP/R1B2RK1 b - - bm Nf3+; id >"WCSAC.0818"; >2r1n1k1/2q1prbp/p2p2p1/1p1P2Q1/3B2P1/3B1P2/PPP5/2KR3R w - - bm Rxh7; id >"WCSAC.0942"; >r4rk1/pbq1bp2/1p2p1p1/6Np/2P3n1/2B4Q/PPB2PPP/3R1RK1 w - - bm Rd7; id >"WCSAC.0967"; >6k1/2p3bp/p1p3p1/3pnr2/7r/B4PqP/PP1NQRP1/3R2K1 b - - bm Rxh3; id "WCSAC.0982"; >r1b1qrk1/pp1p1ppp/8/n3p1BQ/2B1P3/8/P1P2PPP/3R1RK1 w - - bm Bf6; id "WCSAC.0936"; >r4rk1/ppqbppb1/2np2p1/2p5/2PP3N/2PQB1P1/P3P1BP/R4RK1 w - - bm Nxg6; id >"WCSAC.0945"; >rq4k1/pp1nrppp/4bn2/6R1/3QP3/P4PN1/4B1PP/2B2RK1 w - - bm Rxg7+; id "WCSAC.0972"; >1k1r2r1/p1p3q1/2p2p2/3pn3/1P1b2bB/1QN5/P4PPP/1R2RBK1 b - - bm Nf3+; id >"WCSAC.0996"; >r2q1rk1/ppp2ppp/3b2n1/1N1P4/2BBP3/P4pP1/1PQ2PbP/R3R1K1 b - - bm Nf4; id >"WCSAC.1000"; >r2r2k1/1b2bp1p/p4npQ/1p1Pp1N1/Pnq1P3/R5N1/5PPP/1BBR2K1 w - - bm Nh5; id >"WCSAC.0450"; >k1q1bbrr/1p3pp1/p7/5n1n/PP2N2p/1NP5/1BB1Q1PP/2R2R1K b - - bm Bb5; id >"WCSAC.0582"; >2r3k1/pr2qp1p/n3p1p1/B1n1N3/5P2/P3P3/4Q1PP/2RR2K1 w - - bm Qxa6; id >"WCSAC.0728"; Qxa6 at 8 ply >rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w KQ - bm Bxg6; id >"WCSAC.0965"; Bxg6 at 6 ply. You took away the hard positions and have left the easy positions in the testset?
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