Author: Uri Blass
Date: 10:02:59 02/10/02
Go up one level in this thread
On February 09, 2002 at 19:06:18, Ed Schröder wrote: >I have a list left of 5 difficult postions for Rebel, of which I think these >should be solved much faster. > >[d]k2N2K1/8/8/8/5R2/3n4/3p4/8 w - - bm Rf7 (Troitzky); > >RC4: not found after 5:00 (zugzwang?) yace p800 without the important tablebase of KQN vs KR(64 mbytes hash tables). New position k2N2K1/8/8/8/5R2/3n4/3p4/8 w - - 0 1 Analysis by Yace 0.99.56: 1.Rf7 d1Q -+ (-4.13) Depth: 1 00:00:00 1.Ra4+ Kb8 2.Ra1 Kc7 +- (3.19) Depth: 1 00:00:00 1.Ra4+ Kb8 2.Ra1 Kc7 3.Nf7 +- (3.25) Depth: 4 00:00:00 1.Ra4+ Kb8 2.Ra1 Kc7 3.Nf7 +- (3.25) Depth: 4 00:00:00 1.Ra4+ Kb8 2.Ra1 Kc7 3.Nf7 +- (3.25) Depth: 4 00:00:00 1.Ra4+ Kb8 2.Nc6+ Kc7 3.Ra3 d1Q 4.Rxd3 +- (2.85) Depth: 5 00:00:00 5kN 1.Ra4+ Kb8 2.Ra1 Nc1 3.Rb1+ Kc8 4.Rb8+ Kxb8 -+ (-1.85) Depth: 5 00:00:00 5kN 1.Ra4+ Kb8 2.Nc6+ Kc7 3.Ra1 Kxc6 µ (-0.93) Depth: 6 00:00:00 21kN 1.Ra4+ Kb8 2.Nc6+ Kc7 3.Ra1 Nc1 4.Ra7+ Kxc6 5.Ra6+ Kd5 6.Ra5+ Kd4 7.Ra4+ Kd3 ³ (-0.26) Depth: 6 00:00:00 21kN 1.Ra4+ Kb8 2.Nc6+ Kc7 3.Ra1 Nc1 4.Ra7+ Kxc6 5.Ra6+ Kc5 6.Ra5+ Kd4 7.Ra4+ Ke3 8.Ra3+ Nd3 ³ (-0.47) Depth: 7 00:00:00 139kN 1.Ra4+ Kb8 2.Nc6+ Kc7 3.Ra1 Nc1 4.Ra7+ Kxc6 5.Ra6+ Kc5 6.Kf7 d1Q 7.Rd6 µ (-0.87) Depth: 8 00:00:01 155kN 1.Ra4+ Kb8 2.Ra1 Nc1 3.Kf8 d1Q 4.Nf7 Kc7 5.Ra7+ Kc6 6.Nd6 -+ (-4.26) Depth: 8 00:00:02 579kN 1.Ra4+ Kb8 2.Ra1 Nc1 3.Kf8 d1Q 4.Nf7 Qb3 5.Nd6 Qf3+ 6.Ke8 Nd3 -+ (-4.29) Depth: 9 00:00:04 914kN 1.Rf1 Ne1 2.Rf7 d1Q 3.Nb7 Qg4+ 4.Kf8 Qc8+ 5.Kg7 Ka7 -+ (-4.28) Depth: 9 00:00:04 1242kN 1.Rf1 Ne1 2.Rf7 d1Q 3.Nb7 Qd5 4.Kf8 Nd3 5.Ke8 -+ (-4.27) Depth: 9 00:00:04 1242kN 1.Rf1 Ne1 2.Nf7 d1Q 3.Rg1 Kb7 4.Rg7 Qd5 5.Kh8 -+ (-4.34) Depth: 10 00:00:05 1630kN 1.Rf1 Ne1 2.Ne6 d1Q 3.Rf7 Qg4+ 4.Ng7 Nd3 5.Kf8 Qc8+ 6.Ne8 Qc5+ 7.Kg8 Qd5 -+ (-4.38) Depth: 11 00:00:10 3307kN 1.Rf1 Ne1 2.Ne6 d1Q 3.Rf7 Qg4+ 4.Ng7 Nd3 5.Re7 Kb8 6.Kf8 Qf4+ 7.Ke8 Qd6 -+ (-4.38) Depth: 12 00:00:20 8186kN 1.Rf1 Ne1 2.Ne6 d1Q 3.Rf7 Nd3 4.Re7 Nf4 5.Ng7 Qb3+ 6.Kh7 Qd3+ 7.Kg8 Qd6 8.Rf7 Qd5 -+ (-4.44) Depth: 13 00:00:42 18304kN 1.Ra4+ Kb8 2.Ra1 Nc1 3.Rb1+ Kc8 4.Nf7 d1Q 5.Kf8 Qc2 6.Rb5 Qg6 7.Rd5 Nd3 8.Rd8+ Kb7 -+ (-4.43) Depth: 13 00:00:49 21621kN 1.Ra4+ Kb8 2.Ra1 Nc1 3.Rb1+ Kc8 4.Nf7 d1Q 5.Kf8 Kc7 6.Rb5 Kc6 7.Re5 Nd3 8.Re6+ Kd5 9.Rd6+ Ke4 10.Ke7 -+ (-4.43) Depth: 13 00:01:09 31699kN 1.Ra4+ Kb8 2.Ra1 Nc1 3.Rb1+ Kc8 4.Nf7 d1Q 5.Kf8 Kc7 6.Ra1 Kc6 7.Ra8 Nd3 8.Rc8+ Kd5 9.Rd8+ Ke4 10.Ke8 -+ (-4.44) Depth: 14 00:02:18 65668kN 1.Rf1 Ne1 2.Nc6 d1Q 3.Rf7 Qg4+ 4.Kf8 Qc8+ 5.Kg7 Qc7 -+ (-4.43) Depth: 14 00:02:29 71013kN 1.Rf1 Ne1 2.Nc6 d1Q 3.Rf7 Qd5 4.Ne7 Qe6 5.Kf8 Nd3 6.Kg7 Ne5 7.Rf8+ Kb7 8.Rf7 -+ (-4.43) Depth: 14 00:02:34 73388kN 1.Rf7 d1Q 2.Nc6 Qg4+ 3.Kf8 Qc8+ 4.Kg7 Qc7 -+ (-4.42) Depth: 14 00:02:50 80950kN 1.Rf7 d1Q 2.Nc6 Qg4+ 3.Kf8 Qc8+ 4.Kg7 Qxc6 5.Rf8+ Ka7 6.Rf7+ Kb8 7.Rf8+ Kc7 8.Rf7+ Kd8 9.Rf8+ Kd7 10.Rf7+ Kc8 11.Rf8+ Kc7 12.Rf7+ Kd8 13.Rf8+ Kd7 14.Rf7+ Kc8 15.Rf8+ Kc7 = (0.00) Depth: 14 00:03:01 86991kN (Blass, Tel-aviv 10.02.2002) >[d]1k4r1/3r1p1q/1p2pQpP/pPp1P1B1/P1Pp2P1/3P1R2/2n1KR2/8 w - - bm Qxf7; > >RC4: not found after 5:00 New position 1k4r1/3r1p1q/1p2pQpP/pPp1P1B1/P1Pp2P1/3P1R2/2n1KR2/8 w - - 0 1 Analysis by Yace 0.99.56: 1.Qxf7 Rxf7 2.Rxf7 -+ (-2.31) Depth: 1 00:00:00 1.Kd1 ± (1.22) Depth: 1 00:00:00 1.Kd1 Ne3+ 2.Bxe3 dxe3 ± (0.85) Depth: 2 00:00:00 1.Kd2 Ne3 ± (0.95) Depth: 2 00:00:00 1.Kd2 Ne3 2.Rf4 ± (0.94) Depth: 3 00:00:00 1.Rf4 Kb7 ± (0.95) Depth: 3 00:00:00 1.Rf4 Ne3 2.Ke1 ± (0.96) Depth: 3 00:00:00 1.Rf4 Ne3 2.Ke1 Rh8 ± (0.82) Depth: 4 00:00:00 1.Rf1 Qxh6 2.Bxh6 Ne3 ± (0.83) Depth: 4 00:00:00 1.Rf1 Ne3 2.Bxe3 dxe3 ± (0.84) Depth: 4 00:00:00 1.Rh2 Qxh6 2.Bxh6 Ne3 ± (0.85) Depth: 4 00:00:00 1.Rh2 Rh8 2.Kd1 Nb4 ± (0.87) Depth: 4 00:00:00 1.Rh2 Rh8 2.Kd1 Nb4 3.Rhf2 ± (1.14) Depth: 5 00:00:00 15kN 1.Rh2 Rh8 2.Kd1 Nb4 3.Rhf2 Ka7 ± (1.04) Depth: 6 00:00:00 35kN 1.Rh2 Rh8 2.Kd2 Na3 3.Rhf2 Nb1+ 4.Ke1 Nc3 ± (1.00) Depth: 7 00:00:00 89kN 1.Qf4 Ne3 2.Qe4 Ka7 3.Bxe3 Qh8 ± (1.01) Depth: 7 00:00:00 89kN 1.Qf4 Nb4 2.Ke1 Rh8 3.Qf6 ± (1.04) Depth: 7 00:00:00 89kN 1.Qf4 Nb4 2.Ke1 Rh8 3.Kd2 Ka7 4.Bf6 Re8 ± (1.06) Depth: 8 00:00:01 315kN 1.Qf4 Nb4 2.Kd1 Rc8 3.Qf6 Ka7 4.Kd2 Rcd8 5.Kd1 ± (1.12) Depth: 9 00:00:02 696kN 1.Qf4 Nb4 2.Kd1 Rc8 3.Qf6 Ka7 4.Ke1 Kb8 5.Kd2 Rh8 ± (1.03) Depth: 10 00:00:04 1459kN 1.Kd2 Nb4 ± (1.04) Depth: 10 00:00:05 1816kN 1.Kd2 Nb4 2.Kd1 Rh8 3.Qf4 Rc8 4.Qf6 Ka7 5.Ke1 Kb8 6.Kd2 Na2 7.Qf4 Nc3 8.Qf6 Nxa4 9.Qxg6 ± (1.03) Depth: 10 00:00:05 1816kN 1.Qf4 Nb4 2.Kd1 Rc8 3.Qf6 Ka7 4.Ke1 Kb8 5.Kd2 Rh8 ± (1.03) Depth: 10 00:00:05 1816kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Rc8 6.Rf8 Rxf8 7.Rxf8+ Ka7 8.h8Q Nb4 ± (1.04) Depth: 10 00:00:07 2628kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Rc8 6.Rf8 Qxf2+ 7.Rxf2 Ne1+ 8.Kg3 Nxd3 9.Rf6 Ne5 10.Rxe6 Nxc4 11.Rxg6 ± (1.10) Depth: 10 00:00:08 2628kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Re8 6.Rf8 Qxf2+ 7.Rxf2 Ne1+ 8.Kg3 Nxd3 9.Rf3 Nb2 10.Bf6 Kc7 ± (1.35) Depth: 11 00:00:11 3724kN 1.Kd2 Nb4 2.Qxf7 Rxf7 3.Rxf7 Qh8 4.h7 Rc8 5.Bf6 Qxf6 6.exf6 Nxd3 ± (1.36) Depth: 11 00:00:13 4455kN 1.Kd2 Ne3 2.Qf4 Rh8 3.Qe4 Ka7 4.Bxe3 dxe3+ 5.Qxe3 Qxh6 6.Qxh6 Rxh6 7.Rxf7 ± (1.40) Depth: 11 00:00:14 5085kN 1.Kd2 Ne3 2.Qxf7 Rxf7 3.Rxf7 Qh8 4.h7 Rc8 5.Bf6 Qe8 6.Re7 Qxe7 7.Bxe7 Nxg4 +- (1.64) Depth: 12 00:00:24 8263kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Re8 6.Rf8 Qxf2+ 7.Rxf2 Ne1+ 8.Kg3 Nxd3 9.Rh2 Nb2 10.h8Q Nxa4 +- (1.65) Depth: 12 00:00:30 10126kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Re8 6.Rf8 Qxf2+ 7.Rxf2 Ka8 8.h8Q Rxh8 9.Rxc2 Rc8 +- (1.85) Depth: 12 00:00:38 12750kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Re8 6.Rf8 Qxf2+ 7.Rxf2 Ka8 8.h8Q Ne1+ 9.Kf1 Rxh8 10.Kxe1 Rc8 +- (2.25) Depth: 13 00:00:51 17272kN 1.Qxf7 Rxf7 2.Rxf7 Qh8 3.h7 Qxe5+ 4.Kf1 Qe1+ 5.Kg2 Re8 6.Rf8 Ne3+ 7.Bxe3 Qxf2+ 8.Bxf2 Rxf8 9.Bg3+ Kc8 10.Be5 Kd7 11.Kg3 Re8 12.h8Q +- (2.70) Depth: 13 00:01:03 21033kN (Blass, Tel-aviv 10.02.2002) > > >[d]8/7p/p2p4/P7/1p2k1P1/1P2p2r/2P1R1KP/8 b - - bm Rxh2+; > >RC4: not found after 5:00 New position 8/7p/p2p4/P7/1p2k1P1/1P2p2r/2P1R1KP/8 b - - 0 1 Analysis by Yace 0.99.56: 1...Rxh2+ 2.Kxh2 +- (3.48) Depth: 1 00:00:00 1...Rf3 ³ (-0.56) Depth: 1 00:00:00 1...Rf3 2.h4 ³ (-0.42) Depth: 2 00:00:00 1...Rf3 2.h4 d5 ³ (-0.46) Depth: 3 00:00:00 1...Rf3 2.h4 d5 3.g5 ³ (-0.41) Depth: 4 00:00:00 1...Rf3 2.h4 d5 3.g5 d4 ³ (-0.45) Depth: 5 00:00:00 1kN 1...Rf3 2.h4 Rf4 3.Kg3 d5 4.g5 ³ (-0.38) Depth: 6 00:00:00 4kN 1...Rh6 2.h3 Re6 3.h4 Re5 4.Kg1 ³ (-0.39) Depth: 6 00:00:00 5kN 1...Rh6 2.Re1 Rg6 3.h3 h5 4.Kg3 ³ (-0.53) Depth: 6 00:00:00 5kN 1...Rh6 2.Re1 Rg6 3.h3 Rg5 4.Rd1 e2 5.Re1 µ (-0.72) Depth: 7 00:00:00 19kN 1...Rh6 2.h3 Rg6 3.Re1 h5 4.Kg3 Rg5 5.Rd1 ³ (-0.57) Depth: 8 00:00:00 46kN 1...Rh6 2.h3 Rg6 3.Re1 Rg5 4.Ra1 Rc5 5.Ra2 Re5 µ (-0.72) Depth: 9 00:00:00 87kN 1...Rh6 2.h3 Rg6 3.Re1 h5 4.Kg3 hxg4 5.hxg4 Rg5 6.Rd1 e2 7.Re1 µ (-0.71) Depth: 10 00:00:00 175kN 1...Rh6 2.Kg3 Re6 3.Re1 Re5 4.Ra1 Kd4 5.Ra4 e2 6.Kf2 e1Q+ 7.Kg2 µ (-0.92) Depth: 11 00:00:01 391kN 1...Rh6 2.Re1 Rf6 3.Re2 Rg6 4.h3 Rg5 5.Re1 Rxa5 6.Kf1 d5 7.Ke2 Rc5 8.Rf1 µ (-1.18) Depth: 12 00:00:03 852kN 1...Rh6 2.Kf1 Rf6+ 3.Ke1 Kf3 4.h3 Rh6 5.Rh2 Kg3 6.Re2 Re6 7.g5 Kh4 8.c4 Kxg5 µ (-1.24) Depth: 13 00:00:07 3212kN 1...Rf3 2.h3 Kf4 3.g5 µ (-1.25) Depth: 13 00:00:09 4158kN 1...Rf3 2.h3 Kf4 3.g5 Rg3+ 4.Kh2 Rxg5 5.Kh1 -+ (-1.58) Depth: 13 00:00:15 6626kN 1...Rf3 2.Kg1 Kf4 3.Rg2 d5 4.g5 d4 5.g6 hxg6 6.Rxg6 e2 7.Kg2 e1Q 8.c4 -+ (-1.62) Depth: 13 00:00:23 10560kN 1...Rf3 2.Kg1 Kf4 3.Rg2 h6 4.Re2 Kxg4 5.Rg2+ Kf4 6.Re2 h5 7.Kg2 h4 8.Kg1 d5 -+ (-1.72) Depth: 14 00:00:29 13569kN 1...Rf3 2.Kg1 Kf4 3.Rg2 h6 4.Re2 Kxg4 5.Rg2+ Kf4 6.Re2 Ke4 7.Rg2 Rf5 8.h4 h5 9.Rg6 -+ (-1.79) Depth: 15 00:00:43 20479kN 1...Rxh2+ 2.Kxh2 Kf3 3.Re1 Kf2 4.Rg1 e2 5.Rg2+ Ke3 6.Rg3+ Kd2 7.Rd3+ Kxc2 8.Re3 Kd2 9.Rf3 -+ (-1.80) Depth: 15 00:01:00 28859kN 1...Rxh2+ 2.Kxh2 Kf3 3.Rg2 e2 4.Rg1 d5 -+ (-1.80) Depth: 15 00:01:04 30898kN 1...Rxh2+ 2.Kxh2 Kf3 3.Rg2 e2 4.Rg1 Kf2 5.Rg2+ Ke1 6.Rg1+ Kd2 7.g5 e1Q 8.c3 bxc3 9.Rg2+ Kd1 10.Rg1 -+ (-2.20) Depth: 16 00:01:35 45468kN 1...Rxh2+ 2.Kxh2 Kf3 3.Rg2 e2 4.Rg1 Kf2 5.Rg2+ Ke3 6.Rg3+ Kd2 7.Rd3+ Kxc2 8.Re3 Kd2 9.Re4 e1Q 10.Rxe1 Kxe1 11.Kg3 Kd2 12.Kf3 Kc2 13.Ke4 -+ (-2.80) Depth: 16 00:01:59 56192kN (Blass, Tel-aviv 10.02.2002) > > >[d]2rr2k1/1pqbbppp/p3p3/4p3/2P5/2N1P1P1/PP2QPBP/2RR2K1 w - - bm c5; id Anand; > >RC4: 02:17 yace agree that it is not easy and the p800 cannot see c5 in 4 minutes New position 2rr2k1/1pqbbppp/p3p3/4p3/2P5/2N1P1P1/PP2QPBP/2RR2K1 w - - 0 1 Analysis by Yace 0.99.56: 1.Rxd7 Rxd7 -+ (-1.95) Depth: 1 00:00:01 1.Qh5 = (-0.10) Depth: 1 00:00:01 1.Qh5 Bc6 ³ (-0.30) Depth: 2 00:00:01 1.Qd3 Bc6 ³ (-0.27) Depth: 2 00:00:01 1.Qd3 Ba4 2.Qe4 Bxd1 µ (-0.97) Depth: 3 00:00:01 1.Qd3 Ba4 2.Qxd8+ Bxd8 µ (-1.27) Depth: 3 00:00:01 1.Qh5 Ba4 µ (-1.26) Depth: 3 00:00:01 1.Qh5 Qxc4 2.Bxb7 = (-0.10) Depth: 3 00:00:01 1.Qh5 Bc6 2.Rxd8+ Rxd8 3.e4 = (-0.07) Depth: 4 00:00:01 1.Qh5 b6 2.b3 Qc5 3.Be4 = (-0.11) Depth: 5 00:00:01 17kN 1.Qh5 Bc6 2.e4 Bd7 3.b3 Qc5 = (-0.13) Depth: 6 00:00:01 96kN 1.Qh5 Be8 2.b3 Rxd1+ 3.Rxd1 b5 4.Bf1 Qc5 5.e4 = (-0.04) Depth: 7 00:00:02 377kN 1.Qh5 Bc6 2.e4 Bd7 3.b3 Ba3 4.Rc2 Bc5 = (-0.17) Depth: 8 00:00:05 1135kN 1.a3 Bxa3 2.bxa3 Qxc4 = (-0.16) Depth: 8 00:00:07 2172kN 1.a3 a5 2.Qh5 Qb6 3.Qe2 Qb3 4.Qc2 Qxc2 5.Rxc2 = (-0.14) Depth: 8 00:00:09 2523kN 1.b3 a5 2.Qh5 Bc5 3.Be4 Bxe3 4.fxe3 Qxc4 = (-0.13) Depth: 8 00:00:09 2826kN 1.b3 Bc6 2.Bxc6 Qxc6 3.e4 Rxd1+ 4.Qxd1 Ba3 5.Rc2 Bc5 6.Rd2 = (-0.13) Depth: 8 00:00:10 3169kN 1.b3 Ba3 2.Rc2 Bc6 3.Rxd8+ Rxd8 4.Rd2 Bxg2 5.Kxg2 Bc5 6.e4 = (-0.16) Depth: 9 00:00:14 4239kN 1.a3 a5 2.Qh5 Qb6 3.Qe2 Rxc4 4.Qxc4 Rc8 5.Qxc8+ Be8 = (-0.15) Depth: 9 00:00:16 4928kN 1.a3 a5 2.Be4 b6 3.Bd3 Bc6 4.Qh5 g6 5.Qh6 = (-0.13) Depth: 9 00:00:19 5955kN 1.a3 Bc6 2.e4 a5 3.Rxd8+ Rxd8 4.Rd1 Rxd1+ 5.Qxd1 Qb6 6.Qc2 Qd4 7.Ne2 Qc5 = (-0.10) Depth: 10 00:00:42 13719kN 1.a3 Bc6 2.e4 Rd4 3.b4 Rcd8 4.c5 Bg5 5.Rc2 Qd7 6.Bf3 = (-0.12) Depth: 11 00:01:13 24273kN 1.b3 Ba3 2.Rc2 Bc6 3.Rxd8+ Rxd8 4.Rd2 Rxd2 5.Qxd2 Bb4 6.Bxc6 h6 = (-0.11) Depth: 11 00:01:28 29578kN 1.b3 Ba3 2.Rc2 Bc6 3.Rxd8+ Rxd8 4.Rd2 Bxg2 5.Rxd8+ Qxd8 6.Kxg2 Bb4 7.Ne4 f5 8.g4 = (-0.11) Depth: 11 00:01:31 30642kN 1.Qc2 b6 2.Bf1 a5 3.a3 Bc6 4.Bd3 Kh8 5.Bxh7 Re8 = (-0.10) Depth: 11 00:02:38 53519kN 1.Qc2 b6 2.Bf1 = (-0.10) Depth: 11 00:02:41 54625kN (Blass, Tel-aviv 10.02.2002) Uri > > >Version: Rebel Century 4 (WB), Athlon 1400, 60 Mb hash. > >I am looking forward to the analysis of other engines. > >Ed
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