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Subject: Re: I am trying to analyze two problem sets

Author: Dann Corbit

Date: 06:00:34 03/22/04

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Crafty output on a 950 MHz machine with tablebase files:
2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - acd 21; acn 1408758544; acs
3603; bm Rb4; c0 "page 24, 30)"; c1 "Not solved"; ce 209; id "(Speelman_EP_16)";
pv Rb4 cxb4 a4 b5+ Kxb5 Rb1 c3 Ba3 Kc4 Kg4 Kxd4 Kf4 Kc4 Rc1 Kd3 Rb1 Ke2 Bb4 d4
Rxb3 axb3;
5B1k/7p/6P1/4NnP1/8/8/K4p2/8 w - - acd 21; acn 1387903139; acs 3603; bm g7+; c0
"forcing a peculiar draw, page 39, 73)"; c1 "Not solved"; ce -649; id
"(Speelman_EP_32)"; pv g7+ Nxg7 Nf7+ Kg8 Bc5 f1=Q Nh6+ Kh8 Bd6 Qg2+ Kb3 Qd5+ Ka4
Qd1+ Kb5 Qb3+ Ka5 Qc3+ Ka6 Qc6+ Ka5 Qa8+ Kb4 Qb7+ Ka5 Qa7+ Kb5 Qd7+ Ka5 Qe6 Bb4
Qd5+ Kb6 Qa2 Kc6 Qe6+ Kc5 Qe5+ Kc6 Qxg5;
8/1B6/3r2p1/5p1p/5P1P/4k1P1/8/6K1 b - - acd 21; acn 1706038414; acs 3603; bm g5;
c0 "page 95, 162)"; c1 "Not solved"; ce 272; id "(Speelman_EP_55)"; pv Rb6 Bd5
Rb1+ Kg2 Rc1 Ba8 Rc2+ Kg1 Rc3 Kf1 Ra3 Bc6 Ra6 Bd5 Kd4 Bf7 Ke4 Ke2 Rc6 Kf2 Rd6
Kg2 Ke3;
R7/2r2pkp/2pb2p1/3p4/3P4/3NPPP1/7P/6K1 b - - acd 19; acn 1883632559; acs 3600;
bm g5; c0 "page 124, 205; makes h2 weak)"; c1 "Not solved"; ce 0; id
"(Speelman_EP_64)"; pv c5 dxc5 Bxc5 Nxc5 Rxc5 g4 Kf6 h4 Rc2 g5+ Ke7 Kf1 Rh2 Ra7+
Ke6 Ra6+ Kd7 Ra7+ Ke6;
6R1/8/7k/5p2/6p1/4K2p/8/8 w - - acd 29; acn -2129859814; acs 3603; bm Ke2; c0
"page 53,69)"; c1 "Not solved"; ce 32710; id "(Speelman_ATE_113)"; pv Ke2 Kh5
Kf2 f4 Rh8+ Kg5 Kg1 Kf5 Kh2 Ke4 Rg8 Kf3 Rg5 g3+ Kxh3;
3r4/7p/Rp4k1/5p2/4p3/2P5/PP3P1P/5K2 b - - acd 17; acn 1649360171; acs 3603; bm
Rd2; c0 "138 p 89)"; c1 "Not solved"; ce -150; id "(Averbakh_156)"; pv Rb8 Ke2
Kg5 Ke3 h5 f3 exf3 Ra4 f2 Kxf2 h4 Rd4 Ra8 a4 Re8 Rd6 Re4 b3;
8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - acd 21; acn 1818151272; acs 3600; bm g5;
c0 "27 page 23)"; c1 "Solved by Tao"; ce 71; id "(Speelman_EP_13)"; pv Kg3 Be7
d4+ exd4 Kxf4 Kb2 Bd5 Kc3 Kf5 Bd8 Bc4 Be7 Kf4 Bg5+ Kf3 Be7 Ke4 Bg5 Bd5 Bd2 Be6
Bg5;
8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - acd 21; acn 1810422004; acs 3601; bm g5;
c0 "128 page 79)"; c1 "Solved by Tao"; ce 71; id "(Averbakh_152)"; pv Kg3 Be7;
2k5/2b5/pp6/4p3/1P4P1/1KP2p2/1P1R4/8 w - - acd 18; acn 1558242688; acs 3603; bm
Rd5; c0 "page 92, 158)"; c1 "Solved by Gaviota"; ce 107; id "(Speelman_EP_53)";
pv Rd5 f2 Rd1 e4 Kc2 Bf4 Rh1 e3 Kd3 Kd7 Ke2 Kd6 Rh5 Ke6 Rf5 Bh6 c4 a5 bxa5;
8/5kp1/p2r4/8/4P3/3PK3/8/R7 w - - acd 18; acn 1473639483; acs 3601; bm Ra5; c0
"page 142, 235)"; c1 "Solved by Chessterfield"; ce 245; id "(Speelman_EP_72)";
pv d4 Ke6 e5 Rb6 Ke4 g6 d5+ Ke7 Rg1 Rb4+ Kd3 Rb5 Kd4 Rb4+ Kc5 Rb5+ Kc6;
8/8/7K/4k2P/P7/3R4/r7/8 w - - acd 20; acn 1811787761; acs 3600; bm Rf3; c0 "ATE
page 31, 31. Continues ...Rxa4, 2. Kg5!)"; c1 "Solved by Bestia"; ce 1669; id
"(Speelman_ATE_107)"; pv Rf3 Ke4 Rf7 Ke5 a5 Ke6 Rf3 Ke7 a6 Ke8 Kh7 Ke7 a7 Rd2
a8=Q Rd7 Kg8 Rd1 Re3+ Kf6 Qf3+ Kg5 Qxd1;
3k4/pp6/2pK2p1/3p3p/8/2P4P/PP4P1/8 w - - acd 23; acn 1507526969; acs 3600; bm
b4; c0 "followed by a4 and b5, allegedly the only win according to many pages of
analysis by Max Euwe on an ending that came up in practice, page 191.)"; c1
"Solved by GnuChess"; ce 0; id "(Horowitz_144)"; pv g4 a5 g5 h4 Ke6 Kc7 a4 b6
Ke5 Kd7 b3 Ke7 c4 dxc4 bxc4 Kd7 Kd4 Ke7 Ke4 Kf7 Kd3 Kg7 Kd4;
7b/8/kq6/8/8/1N2R3/K2P4/8 w - - acd 18; acn 1301074038; acs 3600; bm Nd4; c0
"#29 draw"; c0 "Not solved in 30 seconds."; ce -575; id "(JenoBan_TofE).013"; pv
Kb1 Bd4 Rg3 Qb7 Rd3 Qb5 Rg3 Be5 Re3 Bf4 Re6+ Ka7 Kb2 Bxd2 Re7+ Ka6 Re6+ Kb7 Re7+
Kc6 Kc2 Qb4;
2K3k1/1p6/R3p1p1/1rB1P1P1/8/8/1Pb5/8 w - - acd 22; acn 1514608618; acs 3601; bm
Rc6; c0 "#56 draw"; c0 "Not solved in 30 seconds."; ce -29; id
"(JenoBan_TofE).038"; pv Rc6 bxc6 b4 Be4 Kc7 Kf7 Kc8 Bf5 Kc7 Bd3 Kc8 Kg7 Kc7 Bb1
Kc8 Bf5 Kc7 Kg8 Kd7 Rb7+ Ke8 Rxb4 Bxb4;
8/Bpk5/8/P2K4/8/8/8/8 w - - acd 5; acn 7; acs 1; bm Kd4; c0 "#89 white_wins"; c0
"Not solved in 30 seconds."; ce 32724; id "(JenoBan_TofE).070"; pv Kd4;
5q2/n2P1k2/2b5/8/8/3N4/4BK2/6Q1 w - - acd 13; acn -1976512331; acs 3600; bm Qg5;
c0 "#239 white_wins"; c0 "Not solved in 30 seconds."; ce 468; id
"(JenoBan_TofE).202"; pv Bh5+ Ke7+ Ke1 Qf6 Qe3+ Kxd7 Bg4+ Kd6 Qc5+ Kc7 Qxa7+ Kd8
Qb8+ Ke7 Qc7+ Kf8 Ne5 Be8 Ke2 Qe7 Qb8 Qa3 Be6;
3k4/1K6/1P6/5p2/B1p5/8/3b4/8 w - - acd 22; acn 1732663311; acs 3601; bm Ka6; c0
"#46 draw"; c0 "solved by Quark"; ce -1; id "(JenoBan_TofE).030"; pv Ka6 Be3 Kb5
c3 Kc4 Bd2 Bc2 f4 Bf5 f3 Kd3 f2 Bh3 Bc1 Kxc3 Be3 b7 Kc7 b8=Q+ Kxb8;
8/3k4/2p5/8/p1p5/PpP5/1P2B3/r1NK4 w - - acd 23; acn 1708920942; acs 3600; bm
Bg4+; c0 "#54 draw"; c0 "solved by Arasan"; ce -146; id "(JenoBan_TofE).036"; pv
Bxc4 Rb1 Bd3 Rxb2 Ne2 Ra2 Kc1 Kd6 Kb1 Kd5 Nf4+ Kc5 Ne2 Kb6 Nc1 Rd2 Bg6 Kb5 Bd3+
Kc5 Be4 Kb5;



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