Author: José Carlos
Date: 07:46:50 09/04/01
Go up one level in this thread
On September 04, 2001 at 06:36:14, leonid wrote: >On September 04, 2001 at 06:34:07, leonid wrote: > >>Hi! >> >>This position was intended to be very easy for every program. >> >>[D]2qqkrRB/2nq2PP/2qq2PR/2qPNPPB/2bPPNQK/2br4/2pq4/2nr4 w - - For the first one, Averno says mate in 8 in 31 seconds: Averno v0.33 alfa (c) 1999-2001 Jose Carlos Martinez Galan go Tiempo esperado: 142857142.842857 Prof Eval Tiempo Nodos PV ---- ---- ------ --------- ------ 1 -47.57 0.01 230 d4c5 1 -47.39 0.01 615 ++ d5c6 1 -47.39 0.01 615 d5c6 1 -47.13 0.01 728 ++ g7f8 1 -45.63 0.01 853 ++ g7f8 1 -43.58 0.02 1181 g7f8 1 -43.32 0.02 1632 ++ g8f8 1 -42.01 0.02 2026 ++ g8f8 1 -42.01 0.02 2026 g8f8 1 -42.01 0.02 2041--g8f8 2 -42.01 0.03 2657 ++ g8f8 2 -42.01 0.03 2915 ++ g8f8 2 -37.84 0.05 7732 g8f8 d6f8 2 -37.84 0.06 8681--g8f8 d6f8 3 -37.84 0.06 9186 ++ g8f8 3 -37.84 0.06 9815 ++ g8f8 3 -34.83 0.10 17849 g8f8 e8e7 e5c6 3 -34.83 0.10 18586--g8f8 e8e7 e5c6 4 -35.08 0.15 29621 g8f8 e8e7 e5c6 c5c6 4 -34.82 0.18 34228 ++ g7f8 4 -33.32 0.18 34772 ++ g7f8 4 -26.45 0.19 37584 g7f8 d6f8 g6g7 e8e7 4 -26.45 0.20 37897--g7f8 d6f8 g6g7 e8e7 5 -26.45 0.22 42020 g7f8 d6f8 g6g7 e8e7 e5c6 5 -26.45 0.25 49832--g7f8 d6f8 g6g7 e8e7 e5c6 6 -26.70 0.43 93505 g7f8 d6f8 g6g7 e8e7 e5c6 c5c6 6 -26.70 0.52 113975--g7f8 d6f8 g6g7 e8e7 e5c6 c5c6 7 -26.70 0.79 176258 ++ g7f8 7 -26.70 0.83 184949 ++ g7f8 7 -21.21 1.00 220720 g7f8 d6f8 g6g7 e8e7 e5g6 c6g6 f4g6 7 -21.21 1.10 243906--g7f8 d6f8 g6g7 e8e7 e5g6 c6g6 f4g6 8 -21.21 1.53 332594 ++ g7f8 8 -21.21 1.60 346858 ++ g7f8 8 -9.84 2.07 450760 g7f8 d6f8 g6g7 d7f7 g7f8 c5f8 h5f7 e8e7 8 -9.84 2.31 487218--g7f8 d6f8 g6g7 d7f7 g7f8 c5f8 h5f7 e8e7 9 -9.84 3.01 641205 ++ g7f8 9 -9.84 3.04 647950 ++ g7f8 9 -1.83 8.68 1920035 g7f8 d6f8 g6g7 e8e7 e5g6 c6g6 f4g6 e7d6 g7f8 9 -1.83 9.18 2037328--g7f8 d6f8 g6g7 e8e7 e5g6 c6g6 f4g6 e7d6 g7f8 10 -1.83 14.09 3177435 ++ g7f8 10 -1.58 25.96 5938303 g7f8 d6f8 g6g7 e8e7 e5g6 c6g6 f4g6 e7d6 g7f8 d7e7 10 -1.32 29.39 6747564 ++ g8f8 10 0.18 29.53 6778366 ++ g8f8 10 999.84 31.24 7200165 g8f8 d6f8 g7f8 c5f8 g6g7 d7f7 h5f7 f8f7 g7g8 f7f8 10 999.84 31.44 7242713--g8f8 d6f8 g7f8 c5f8 g6g7 d7f7 h5f7 f8f7 g7g8 f7f8 11 999.84 58.63 13790764 g8f8 d6f8 g7f8 c5f8 g6g7 d7f7 h5f7 f8f7 g7g8 f7f8 g4h5 ;Mi jugada (26) es: g8f8; Tiempo restante: 9999999839.90 Totales: Visitados: 37200015 Nulos: 4459909 Cortes Nulos: 4272702 Hash exactos: 253 UBounds: 37151 LBounds: 1329742 Fallos: 40720514 Hash grabaciones: 7040106 (100%) No grabaciones: 3699542 Extensiones: Jaque: 876462 Recaptura: 138498 Null: 2198 Podas Futility: 855449 Cortes Beta: 5147431 Cortes Beta Primera: 5121007 (99%) Por segundo: Visitados: 233782 >>If you find this position just too easy for you then try next almost identical. >>It is still very accessible even if it is 4 moves deeper. >> >>[D]2qqkrRB/2nq2PP/2qq2PR/2qPNPPB/2qPPNKQ/2bb4/2pq4/2nr4 w - - >> >>Please indicate your result. >> >>Thanks, >>Leonid. The second is more difficult (Averno seems to dir after ply 8). Also note that Averno is quite bad at finding mates: Averno v0.33 alfa (c) 1999-2001 Jose Carlos Martinez Galan go Tiempo esperado: 142857142.842857 Prof Eval Tiempo Nodos PV ---- ---- ------ --------- ------ 1 -52.79 0.00 270 d4c5 1 -52.64 0.00 717 ++ d5c6 1 -52.64 0.00 717 d5c6 1 -52.38 0.00 834 ++ g7f8 1 -50.88 0.01 998 ++ g7f8 1 -48.83 0.01 1412 g7f8 1 -48.57 0.01 2018 ++ g8f8 1 -47.13 0.02 2525 ++ g8f8 1 -47.13 0.02 2525 g8f8 1 -47.13 0.02 2541--g8f8 2 -47.13 0.02 3324 ++ g8f8 2 -47.13 0.02 3692 ++ g8f8 2 -43.71 0.04 6363 g8f8 e8e7 2 -43.71 0.04 7487--g8f8 e8e7 3 -43.96 0.07 12343 g8f8 e8e7 e5c6 3 -43.96 0.07 13468--g8f8 e8e7 e5c6 4 -43.96 0.17 34905 ++ g8f8 4 -43.43 0.40 87052 g8f8 e8e7 e5c6 c5c6 4 -43.17 0.48 102932 ++ g7f8 4 -41.67 0.48 103192 ++ g7f8 4 -37.77 0.52 112768 g7f8 d6f8 g8f8 e8f8 4 -37.77 0.53 113072--g7f8 d6f8 g8f8 e8f8 5 -37.77 0.56 120416 ++ g7f8 5 -37.77 0.56 120582 ++ g7f8 5 -31.66 0.63 135677 g7f8 d6f8 g6g7 e8e7 e5c6 5 -31.66 0.66 142330--g7f8 d6f8 g6g7 e8e7 e5c6 6 -31.64 0.77 165905 g7f8 d6f8 g6g7 e8e7 e5c6 c5c6 6 -31.64 0.95 207807--g7f8 d6f8 g6g7 e8e7 e5c6 c5c6 7 -31.64 1.18 259862 ++ g7f8 7 -29.92 1.58 350955 g7f8 d6f8 g6g7 e8e7 g7f8 d8f8 g5g6 7 -29.92 1.84 407653--g7f8 d6f8 g6g7 e8e7 g7f8 d8f8 g5g6 8 -29.92 2.40 537618 ++ g7f8 8 -29.92 2.69 603631 ++ g7f8 8 -19.97 3.37 754833 g7f8 d6f8 g6g7 c6g6 h5g6 e8e7 g7f8 d8f8 8 -19.97 4.03 910107--g7f8 d6f8 g6g7 c6g6 h5g6 e8e7 g7f8 d8f8 ;Mi jugada (26) es: g7f8; Tiempo restante: 9999996796.66 Totales: Visitados: 845400009 Nulos: 85541722 Cortes Nulos: 66025374 Hash exactos: 55 UBounds: 1641182 LBounds: 22130628 Fallos: 677820734 Hash grabaciones: 121370422 (100%) No grabaciones: 112883022 Extensiones: Jaque: 30237157 Recaptura: 1248133 Null: 966277 Podas Futility: 24955123 Cortes Beta: 100733064 Cortes Beta Primera: 95614418 (9%) Por segundo: Visitados: 263993 After an hour or so (trying to confirm a fail high on ply 9), I give up. José C.
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