Author: Martin Baumung
Date: 01:19:17 12/09/04
Go up one level in this thread
Hi Eduard, obviously many of the so called "top engines" have problems with draws by perpetual check. Here's another position where most engines show some fantastic scores around -30.00. Not from a game though... [D]b2b3R/1np2pp1/Np6/n2K4/p7/N1k2p2/P1p3p1/2B2rqr w - - 0 1 Only YACE managed to give an appropriate score so far. FEN: b2b3R/1np2pp1/Np6/n2K4/p7/N1k2p2/P1p3p1/2B2rqr w - - 0 1 Yace 0.99.87: 1 00:00 10 0 -34,43 1.Th8xh1 g2xh1D 1 00:00 19 0 -30,50 1.Th8xd8 Sb7xd8+ 2.Kd5e5 Tf1xc1 3.Sa6xc7 1 00:00 27 0 -30,06 1.Sa3xc2 Th1xh8 1+ 00:00 72 72.000 -26,72 1.Sa3b5+ Kc3d3 1 00:00 84 84.000 -25,39 1.Sa3b5+ Kc3d3 1 00:00 119 119.000 -25,39 1.Sa3b5+ Kc3d3 2 00:00 344 172.000 -25,12 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Th8e8+ Ke2d1 2 00:00 771 257.000 -25,12 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Th8e8+ Ke2d1 3 00:00 1.848 264.000 -24,86 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 3 00:00 3.023 81.702 -24,86 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 4 00:00 6.658 114.793 -24,51 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sc3e4+ Kf2e1 5.Sb4xc2+ Ke1e2 6.Se4c3+ Ke2d3 4 00:00 7.333 114.578 -24,51 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sc3e4+ Kf2e1 5.Sb4xc2+ Ke1e2 6.Se4c3+ Ke2d3 5 00:00 15.229 169.211 -24,68 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sc3e4+ Kf2e1 5.Sb4xc2+ Ke1d1 6.Lc1e3 f3f2 5 00:00 17.640 174.653 -24,68 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sc3e4+ Kf2e1 5.Sb4xc2+ Ke1d1 6.Lc1e3 f3f2 6/32- 00:01 695.694 565.604 -25,08 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sc3e4+ Kf2e1 5.Sb4xc2+ Ke1d1 6.Se4c3+ Kd1xc1 7.Th8xh1 g2xh1D 8.Sc3xa4 6/33 00:02 1.192.183 582.689 -25,20 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5c6+ Sa5xc6 6/33 00:02 1.206.199 577.958 -25,20 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5c6+ Sa5xc6 7/35 00:05 3.251.938 594.286 -25,52 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5c6+ Sa5xc6 13.Se7xc6+ Kb8c8 14.Sc6e7+ Kc8d7 7/35 00:05 3.292.346 592.042 -25,52 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5c6+ Sa5xc6 13.Se7xc6+ Kb8c8 14.Sc6e7+ Kc8d7 8/40+ 00:06 3.443.824 592.027 0,00 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5d7+ Kb8a7 13.Se7c8+ Ka7a6 14.Sd7b8+ Ka6b5 15.Sc8a7+ Kb5b4 16.Sb8a6+ Kb4c3 17.Sa7b5+ 8/45 00:08 5.525.578 678.401 0,00 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5d7+ Kb8a7 13.Se7c8+ Ka7a6 14.Sd7b8+ Ka6b5 15.Sc8a7+ Kb5b4 16.Sb8a6+ Kb4c3 17.Sa7b5+ Kc3d3 18.Sa6b4+ Kd3e2 19.Sb5c3+ Ke2f2 20.Sb4d3+ Kf2g3 21.Sc3e4+ Kg3g4 22.Sd3e5+ Kg4f5 23.Se4g3+ Kf5f6 24.Se5g4+ Kf6e7 25.Sg3f5+ Ke7d7 26.Sg4e5+ Kd7c8 27.Sf5e7+ Kc8b8 28.Se5d7+ Kb8a7 29.Se7c8+ Ka7a6 30.Sd7b8+ Ka6b5 31.Sc8a7+ Kb5b4 32.Sb8a6+ Kb4c3 33.Sa7b5+ 8/45 00:08 5.578.044 678.016 0,00 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5d7+ Kb8a7 13.Se7c8+ Ka7a6 14.Sd7b8+ Ka6b5 15.Sc8a7+ Kb5b4 16.Sb8a6+ Kb4c3 17.Sa7b5+ Kc3d3 18.Sa6b4+ Kd3e2 19.Sb5c3+ Ke2f2 20.Sb4d3+ Kf2g3 21.Sc3e4+ Kg3g4 22.Sd3e5+ Kg4f5 23.Se4g3+ Kf5f6 24.Se5g4+ Kf6e7 25.Sg3f5+ Ke7d7 26.Sg4e5+ Kd7c8 27.Sf5e7+ Kc8b8 28.Se5d7+ Kb8a7 29.Se7c8+ Ka7a6 30.Sd7b8+ Ka6b5 31.Sc8a7+ Kb5b4 32.Sb8a6+ Kb4c3 33.Sa7b5+ 9/45 00:13 10.215.071 753.212 0,00 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5d7+ Kb8a7 13.Se7c8+ Ka7a6 14.Sd7b8+ Ka6b5 15.Sc8a7+ Kb5b4 16.Sb8a6+ Kb4c3 17.Sa7b5+ 9/45 00:13 10.304.933 752.789 0,00 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5d7+ Kb8a7 13.Se7c8+ Ka7a6 14.Sd7b8+ Ka6b5 15.Sc8a7+ Kb5b4 16.Sb8a6+ Kb4c3 17.Sa7b5+ 9/45 00:14 10.544.552 750.288 0,00 1.Sa3b5+ Kc3d3 2.Sa6b4+ Kd3e2 3.Sb5c3+ Ke2f2 4.Sb4d3+ Kf2g3 5.Sc3e4+ Kg3g4 6.Sd3e5+ Kg4f5 7.Se4g3+ Kf5f6 8.Se5g4+ Kf6e7 9.Sg3f5+ Ke7d7 10.Sg4e5+ Kd7c8 11.Sf5e7+ Kc8b8 12.Se5d7+ Kb8a7 13.Se7c8+ Ka7a6 14.Sd7b8+ Ka6b5 15.Sc8a7+ Kb5b4 16.Sb8a6+ Kb4c3 17.Sa7b5+ Regards, Martin
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