Author: Uri Blass
Date: 08:24:07 01/25/04
Go up one level in this thread
On January 25, 2004 at 10:58:44, Chessfun wrote: >On January 25, 2004 at 10:24:14, Kurt Utzinger wrote: > >>On January 25, 2004 at 09:19:25, Harald Faber wrote: >> >>>Looks like an easy one because the tbs are near: >>> >>>[D]7b/8/kq6/8/8/1N2R3/K2P4/8 w - - 0 1</FONT> >>> >>>White to move and draw. >>>But the so-called ELO giants are helpless unless the first move is played on the >>>board. But then within seconds they calculate the idea. >> >> >> Hi Harald >> Yace Paderborn UCI finds the solution. >> Kurt >> >>Yace Paderborn UCI: (P4 1.8/32 MB hash, Arena 1.02) >> 1 00:00 -4.80 d4 Bxd4 Nxd4 Qxd4 >> 1 00:00 -3.89 Re7 >> 2 00:00 -4.17 Re7 Kb5 >> 2 00:00 -4.11 Kb1 Kb5 >> 2 00:00 -4.10 Re4 Kb5 >> 3 00:00 -3.84 Re4 Qf2 Rb4 >> 4 00:00 -4.02 Re4 Qf2 Ra4+ Kb5 Ka3 >> 4+ 00:00 -4.01 Re8 Bg7 Re7 Qd6 >> 4 00:00 -3.99 Re8 Bg7 Re7 Qg1 >> 5 00:00 -3.96 Re8 Bg7 Rg8 Qa7 d3 >> 6 00:00 -4.04 Re8 Bg7 Re7 Bf8 Rf7 Qb4 >> 7 00:00 -4.20 Re8 Bg7 Rg8 Qa7 Kb1 Qg1+ Ka2 Kb5 >> 7+ 00:00 -4.19 Rh3 Bg7 Rh5 Bc3 dxc3 Qa7 >> 7 00:00 -4.19 Rh3 Bf6 Re3 Kb5 Kb1 Bg7 Kc1 >> 8 00:01 -4.25 Rh3 Bg7 Rh4 Qf6 Rd4 Qc6 Rf4 Kb5 >> 8+ 00:01 -4.24 Re8 Bg7 Rg8 Kb7 >> 8 00:01 -4.22 Re8 Bg7 Re4 Qc6 Rf4 Qc2+ Ka3 Qd3 Kb4 >> 9 00:02 -4.26 Re8 Bg7 Rg8 Qa7 Kb1 Qf7 Ra8+ Kb7 Ra3 Kc6 >> 9+ 00:03 -4.25 Kb1 Bd4 Rg3 Kb5 >> 9 00:04 -4.25 Kb1 Bd4 Rg3 Kb7 Ka2 >>10 00:09 -4.28 Kb1 Bd4 Rg3 Kb7 Rd3 Qg6 Kc2 Bg7 Na5+ Kb6 Nb3 >>11 00:10 -4.31 Kb1 Bd4 Rg3 Kb7 Rd3 Qg6 Kc2 Be5 Na5+ Ka6 Nc4 Qc6 >>11+ 00:16 -4.30 Nd4 Qf6 >>11+ 00:16 -3.88 Nd4 Bg7 Ra3+ Kb7 Rb3 Qb4 >>11+ 00:17 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bf8 Rxb6+ Kxb6 >>11 00:17 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 >>12 00:17 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 >>13 00:19 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 >>14 00:21 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 >>15 00:26 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 >>16 00:36 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 >>17 00:56 0.00 Nd4 Bg7 Ra3+ Kb7 Rb3 Bxd4 Rxb6+ Bxb6 d3 Ba7 d4 Bb8 d5 Bc7 d6 >>Bb8 d7 Bc7 d8Q Bxd8 > >What tablebases do you have loaded here if any?. My PC is faster but only >produces a faster result with no tablebases?. > >No tablebases is almost immediate. > >XP 2600+ 32MB >New game >7b/8/kq6/8/8/1N2R3/K2P4/8 w - - 0 1 > >Analysis by Yace Paderborn: >1.Ka3 Kb5 2.Ka2 Qf6 3.Nd4+ Kc4 4.Ra3 Kxd4 5.Re3 > -+ (-7.33) Depth: 8/20 00:00:00 81kN >1.Nd4 Qf6 > -+ (-7.32) Depth: 8/20 00:00:00 82kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka7 4.Ra3+ Kb8 5.Rb3+ Ka8 6.Ra3+ Qa7 > -+ (-4.32) Depth: 8/20 00:00:00 103kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka7 4.Ra3+ Kb8 5.Rb3+ Ka8 6.Ra3+ Qa7 > -+ (-4.32) Depth: 8/21 00:00:00 103kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka7 4.Ra3+ Kb8 5.Rb3+ Ka8 6.Ra3+ Qa7 > -+ (-4.32) Depth: 9/21 00:00:00 211kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka7 4.Ra3+ Kb8 5.Rb3+ Ka8 6.Ra3+ Qa7 > -+ (-4.32) Depth: 9/24 00:00:00 211kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Qa7 > -+ (-4.32) Depth: 10/24 00:00:00 319kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Qa7 > -+ (-4.32) Depth: 10/25 00:00:00 319kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Qa7 > -+ (-4.32) Depth: 11/25 00:00:00 653kN >1.Nd4 Qxd4 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Qa7 > -+ (-4.32) Depth: 11/29 00:00:01 653kN >1.Nd4 Bg7 2.Re6 Qd6 > -+ (-3.92) Depth: 12/29 00:00:01 901kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb8 5.Rb3+ Kc8 6.Rb8+ Kc7 7.Rxd8 Kb7 > -+ (-2.92) Depth: 12/29 00:00:01 938kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 12/29 00:00:01 1066kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 12/29 00:00:01 1135kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 13/29 00:00:02 1521kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 13/30 00:00:03 1671kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 14/32 00:00:04 2458kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 14/32 00:00:05 2733kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 15/34 00:00:08 4241kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 15/36 00:00:10 4751kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 16/38 00:00:17 7982kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 16/38 00:00:21 9070kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 17/40 00:00:41 15587kN >1.Nd4 Qd8 2.Ra3+ Kb7 3.Rb3+ Ka8 4.Ra3+ Kb7 > = (0.00) Depth: 17/40 00:00:50 17718kN > >(Bird, Barrie 25.01.2004) Impressive result Even faster than movei that does not know to use tablebases Here is movei's analysis under Fritz on A1000. I believe that 00_8_162 is the best movei so far but it was not tested enough. Note that thanks to some change in the code of movei it can solve it so fast when previous versions need more time. New game 7b/8/kq6/8/8/1N2R3/K2P4/8 w - - 0 1 Analysis by movei00_8_162: 1.Kb1 -+ (-3.73) Depth: 1 00:00:00 1.Kb1 Bd4 -+ (-4.29) Depth: 2 00:00:00 1.Re7 -+ (-4.28) Depth: 2 00:00:00 1.Re7 Kb5 -+ (-4.17) Depth: 2 00:00:00 1.Re8 -+ (-4.16) Depth: 2 00:00:00 1.Re8 Bg7 -+ (-4.07) Depth: 2 00:00:00 1.Re8 Bg7 -+ (-4.07) Depth: 2 00:00:00 1.Re8 Bg7 2.d3 -+ (-3.96) Depth: 3 00:00:00 1.Re4 -+ (-3.95) Depth: 3 00:00:00 1.Re4 Kb5 2.d4 -+ (-3.82) Depth: 3 00:00:00 1.Re4 Kb5 2.d4 -+ (-3.82) Depth: 3 00:00:00 1.Re4 Qc7 2.Re6+ Kb5 3.Kb1 -+ (-4.24) Depth: 4 00:00:00 1.Re8 -+ (-4.23) Depth: 4 00:00:00 1.Re8 Bg7 2.Re7 Qg1 -+ (-4.02) Depth: 4 00:00:00 1.Re8 Bg7 2.Re7 Qg1 -+ (-4.02) Depth: 4 00:00:00 1.Re8 Qf6 2.d4 Qf2+ 3.Kb1 Bxd4 4.Nxd4 Qxd4 -+ (-4.49) Depth: 5 00:00:00 1.Re4 -+ (-4.48) Depth: 5 00:00:00 1.Re8 Qf6 2.d4 Qf2+ 3.Kb1 Bxd4 4.Nxd4 Qxd4 -+ (-4.49) Depth: 5 00:00:00 1.Re8 Qf6 2.d4 Qf2+ 3.Kb1 Bxd4 4.Nxd4 Qxd4 -+ (-4.49) Depth: 5 00:00:00 1.Re8 Qf6 2.Ka3 Qd6+ 3.Ka2 Be5 4.d3 -+ (-4.39) Depth: 6 00:00:00 56kN 1.Re8 Qf6 2.Ka3 Qd6+ 3.Ka2 Be5 4.d3 -+ (-4.39) Depth: 6 00:00:00 73kN 1.Re8 Qf6 2.Ka3 Qd6+ 3.Ka2 Be5 4.d4 Bxd4 5.Nxd4 Qxd4 -+ (-4.64) Depth: 7 00:00:01 142kN 1.Re4 -+ (-4.63) Depth: 7 00:00:01 211kN 1.Re8 Qf6 2.Ka3 Qd6+ 3.Ka2 Be5 4.d4 Bxd4 5.Nxd4 Qxd4 -+ (-4.64) Depth: 7 00:00:01 224kN 1.Nd4 -+ (-4.63) Depth: 7 00:00:02 383kN 1.Nd4 -+ (-4.34) Depth: 7 00:00:02 468kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc6 8.Rc3+ Kd5 -+ (-3.98) Depth: 7 00:00:02 497kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc6 8.Rc3+ Kd5 -+ (-3.98) Depth: 7 00:00:02 521kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc6 8.Rc3+ Kd5 -+ (-3.98) Depth: 8 00:00:02 562kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc6 8.Rc3+ Kd5 -+ (-3.98) Depth: 8 00:00:03 676kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc7 8.Rc3+ Kd6 9.Rd3 Kd5 10.Rxd4+ Bxd4 -+ (-3.61) Depth: 9 00:00:04 879kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc7 8.Rc3+ Kd6 9.Rd3 Kd5 10.Rxd4+ Bxd4 -+ (-3.61) Depth: 9 00:00:04 1028kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc7 8.Rc3+ Kd6 9.Rd3 Kd5 10.Rxd4+ Bxd4 -+ (-3.61) Depth: 10 00:00:05 1294kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc7 8.Rc3+ Kd6 9.Rd3 Kd5 10.Rxd4+ Bxd4 -+ (-3.61) Depth: 10 00:00:07 1614kN 1.Nd4 Qxd4 2.Ra3+ Kb5 3.Rb3+ Kc4 4.Rc3+ Kb4 5.Rb3+ Kc5 6.Rc3+ Kb6 7.Rb3+ Kc6 8.Rc3+ Kd5 9.Rd3 Ke4 10.Rxd4+ Bxd4 -+ (-3.63) Depth: 11 00:00:09 2310kN (Blass, Tel-Aviv 25.01.2004) Uri
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