Author: Robert Hyatt
Date: 12:46:55 08/11/00
Go up one level in this thread
On August 11, 2000 at 12:42:14, Vincent Diepeveen wrote: >On August 11, 2000 at 09:01:14, Robert Hyatt wrote: > >>On August 11, 2000 at 07:42:42, Vincent Diepeveen wrote: >> >>>That's not learning. crafty isn't using learning >>>in non-book positions. >>> >>>It's the killertables that speed it up then. >> >> >>Actually it does. It has a "position learning file" that I keep turned off >>in my test directory so that it doesn't produce odd results like this. >> >> > >Why is that silly thing in crafty anyway? >Now users can fool themselves! > It is there to prevent problems when the opponent plays 1. a3 and takes Crafty out of book. And then carefully plays the same game over and over until he finds a way to beat it. And then he repeats that won line over and over. With position learning, this is impossible to do. >>> >>> >>>On August 10, 2000 at 19:49:11, Jorge Pichard wrote: >>> >>>>On August 10, 2000 at 19:38:30, Jorge Pichard wrote: >>>> >>>>>On August 10, 2000 at 19:00:45, Vincent Diepeveen wrote: >>>>> >>>>>>On August 10, 2000 at 16:17:47, Christoph Fieberg wrote: >>>>>> >>>>>>>Unbelievable, but true: >>>>>>>I composed a position which is mate in 1 and can easily found, but Fritz6 on >>>>>>>Pentium III, 500 Mhz and 32 MB Hash needs more than 1 hour to show it (excatly >>>>>>>1:03:17)!!! >>>>>>>How do other computers react? >>>>>> >>>>>>What's this for ridicilous simple position, you gotta >>>>>>be kidding: 2 nodes and 0.001 seconds is what DIEP needs at a >>>>>>pentiumpro200 (my internet computer) >>>>>> >>>>>> D I E P 2.00 >>>>>> >>>>>>black timeleft=27:46.40.00 >>>>>> - = - = - = - = ... 1 ... >>>>>> = - = - = - = - ... 2 ... >>>>>> o o o o o o o K ... 3 ... >>>>>> N B B R = N R o ... 4 ... >>>>>> n b b r q n r O ... 5 ... >>>>>> O O O O O O O k ... 6 ... >>>>>> - = - = - = - = ... 7 ... >>>>>> Q - = - = - = - ... 8 ... >>>>>>white timeleft=27:46.40.00 >>>>>>white to move type 'help' for command overview >>>>>> >>>>>>anal >>>>>>Analysis mode is on >>>>>>process 0: engineflags = 0 denktime=10000000 maxtime=10000000 >>>>>>00:00 2 (0) 1 MATE01 Qa1-h1 >>>>>>00:00 311 (0) 2 MATE01 Qa1-h1 >>>>>>00:00 1376 (0) 3 MATE01 Qa1-h1 >>>>>>00:00 1638 (0) 4 MATE01 Qa1-h1 >>>>>>00:00 1900 (0) 5 MATE01 Qa1-h1 >>>>>>00:00 2162 (0) 6 MATE01 Qa1-h1 >>>>>>00:00 2207 (0) 7 MATE01 Qa1-h1 >>>>>>00:00 2252 (0) 8 MATE01 Qa1-h1 >>>>>>00:00 2297 (0) 9 MATE01 Qa1-h1 >>>>>>00:00 2342 (0) 10 MATE01 Qa1-h1 >>>>>>00:00 2387 (0) 11 MATE01 Qa1-h1 >>>>>>00:00 2432 (0) 12 MATE01 Qa1-h1 >>>>>>00:00 2477 (0) 13 MATE01 Qa1-h1 >>>>>>00:00 2522 (0) 14 MATE01 Qa1-h1 >>>>>>00:00 2567 (0) 15 MATE01 Qa1-h1 >>>>>>00:01 2612 (0) 16 MATE01 Qa1-h1 >>>>>>00:01 2657 (0) 17 MATE01 Qa1-h1 >>>>>>00:01 2702 (0) 18 MATE01 Qa1-h1 >>>>>>00:01 2747 (0) 19 MATE01 Qa1-h1 >>>>>>00:01 2792 (0) 20 MATE01 Qa1-h1 >>>>>>00:01 2837 (0) 21 MATE01 Qa1-h1 >>>>>>00:01 2882 (0) 22 MATE01 Qa1-h1 >>>>>>00:01 2927 (0) 23 MATE01 Qa1-h1 >>>>>>00:01 2972 (0) 24 MATE01 Qa1-h1 >>>>>>00:01 3017 (0) 25 MATE01 Qa1-h1 >>>>>>00:01 3062 (0) 26 MATE01 Qa1-h1 >>>>>>00:01 3107 (0) 27 MATE01 Qa1-h1 >>>>>>00:01 3152 (0) 28 MATE01 Qa1-h1 >>>>>> >>>>>>>The position is >>>>>>>FEN: 8/8/pppppppK/NBBR1NRp/nbbrqnrP/PPPPPPPk/8/Q7 w - - 0 1 >>>>>>> >>>>>>>It is possible to reach this position from starting position: >>>>>>>1.Sa3 Sa6 2.Sc4 Sc5 3.Sa5 Sa4 4.b3 b6 5.La3 La6 6.Lc5 Lc4 7.h4 h5 8.Th3 Th6 >>>>>>>9.Td3 Te6 10.Td5 Te4 11.Sh3 Sh6 12.e3 e6 13.Le2 Le7 14.Lf3 Lf6 15.d3 d6 16.Ke2 >>>>>>>Ke7 17.Dd2 Lc3 18.Te5 Lb4 19.Th1 Td4 20.Lc6 Dd7 21.Lb5 Th8 22.Td5 Kf6 23.Sg1 Sg4 >>>>>>>24.Th3 Se5 25.Tg3 Kf5 26.Tf3+ Kg4 27.Tf5 a6 28.g3 c6 29.Sf3 Kh3 30.Sg5+ Kh2 >>>>>>>31.Se4 Sg6 32.Kf3 Se5+ 33.Kf4 Sg6+ 34.Kg5 Se5 35.a3 Th6 36.c3 Tf6 37.De2 g6 >>>>>>>38.Kh6 Sg4+ 39.Kh7 De7 40.Tf4 Tf5 41.Sg5 Df6 42.Df3 De5 43.Kg8 De4 44.Sh3 Tg5 >>>>>>>45.Tf6 Sh6+ 46.Kh7 Sg4 47.Df5 Kg2 48.Kg7 Sh2 49.De5 Tg4 50.Sg5 Sf3 51.Sh7 Sg1 >>>>>>>52.Df4 [52.Tf5 Se2 53.Sf6 Sf4 54.Se8 Kh2 55.Tg5 Kg2 56.Kh7 Kh2 57.Sg7 Kg2 58.Sf5 >>>>>>>f6 59.f3 Kh2 60.Kh6 Kh3 Test it! What time do computers need to reach a certain >>>>>>>search depths?] 52...Se2 53.Df3+ Kh2 54.Tff5 Sf4 55.Dd1 Kg2 56.Tg5 Kh2 57.Sf6 >>>>>>>Kg2 58.Sg8 Kh2 59.Se7 Kg2 60.Sf5 Kh2 61.Da1 Kg2 62.f3 f6 63.Kh6 Kh3 Mate in 1! >>>>>>>(64. Dh1#). What time do different programms need to show it in the display? 1-0 >>>>>>> >>>>>>>52.Tf5 leads to a position with White Queen on e5 (instead on a1). >>>>>>>FEN: 8/8/pppppppK/NBBRQNRp/nbbrqnrP/PPPPPPPk/8/8 w - - 0 61 >>>>>>> >>>>>>>How long do computers need to reach for example depth 9? >>>>>>>Fritz 6 reached depth 5 after 9 hours!! (on Pentium III, 500 MHz, 32 MB Hash) He >>>>>>>showed 61. Dxe4 Txe4 62. dxe4 Lxc5 3. Txg4 hxg4 as best moves (+1.56 for White). >>>>>>>What is the best move? >>>>>>> >>>>>>>Christoph
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