Author: Howard Exner
Date: 19:47:18 03/01/00
Go up one level in this thread
On March 01, 2000 at 22:33:16, Robert Hyatt wrote: >On March 01, 2000 at 02:58:49, Dann Corbit wrote: > >>On March 01, 2000 at 01:37:17, Janos Keinrath wrote: >> >>>Hi! >>> >>>Yesterday I saw an intresting endgame position on ICC. >>> >>>[D]8/8/6k1/3p4/3P4/2P2PKp/pB4b1/8 b - - >>> >>>This is the final position of a blitz game played by Amateur >>>with black. The game ended with rep. draw, but I feel black somehow >>>can win. Could you check the position? What is the winning plan? >> >>Crafty likes Kf5 from the get-go, but the evaluation does not climb over one >>pawn until ply 19. I'd be surprised if programs see a win at normal game-type >>time controls (other than 'postal' games). > > >Don't forget "good hardware". I get a fail high at depth=18, 35 seconds, on the >quad 550 (big hash, etc). score is +1.76: > > 18 35.99 ++ 1. ... Kf5!! > 18 1:06 1.76 1. ... Kf5 2. c4 dxc4 3. d5 Bf1 4. > Bh8 Be2 5. d6 Ke6 6. f4 Bg4 7. Be5 > c3 8. Bxc3 Kxd6 9. Kh2 Bf5 10. Ba1 In the above white can play 5. Kxh3 instead of d6. If 5. ... Bxf3 6. Kg3 Bxd5 7. Kf2 = Unless black has something better? > >19 plies took 15 more seconds, up to +1.86. 20 was done in just over 2 minutes, >score creeping up slowly iteration by iteration. > >This might be found in a blitz game, the search would be faster if it had an >old hash table already primed with data. And thinking on the opponent's time >would likely help too.
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