Author: leonid
Date: 10:00:41 09/04/01
Go up one level in this thread
On September 04, 2001 at 11:57:45, José Carlos wrote: >On September 04, 2001 at 11:41:23, leonid wrote: > >>On September 04, 2001 at 10:46:50, José Carlos wrote: >> >>>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. >> >>I am impressed that everything in your script is done is Spanish. >> >>Buen trabajo, Senor! >> >>Can you just in few words say what is your program? Chess engin or complet >>program? I am just curious to see what we have as chess programming done in >>Spanish. Some words about when and how this program was written is welcome. >> >>Saludos, >>Leonid. > > Averno is a free winboard engine. Current version is new, and haven't been >released yet. It's a complete rewrite, from scratch. The last released version >was pretty weak, but you can find it in Frank's or Arturo's or Thomas' pages, as >well as many other places. > Jul-1999. That's when I started writing it. First try was pathetic. First >released version: 0.17. At 0.24 or so, there came a complete rewrite, and then >it became stronger, but still too weak to compete. > This new rewrite is several times faster, and the code is much better. I still >haven't finished the book. When I finish it (and pondering), I'll release it. > Feel free to ask as much as you want. Thanks you very much for your description! Was very interesting for me to read since many moments in every chess program story have many things in commune. All the best in your work and big patience for your program and book. With my best wishes! Leonid. > José C.
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