Author: Uri Blass
Date: 16:49:52 12/01/04
Go up one level in this thread
On December 01, 2004 at 19:23:41, Uri Blass wrote: >On December 01, 2004 at 16:27:20, Peter Berger wrote: > >>aka round 2 ;) >> >>The complicated and exciting Hertneck variation of the French Winawer is >>certainly very tough to understand for the computers. >> >>Movei out of book at move 15 chose 15. O-O, which is extremely untopical. Only >>15. h4 can be the correct and logical move here, but I guess very few programs >>will choose this move without book. > >This does not seem to be a problem of deeper search and movei still evaluates >the position after 0-0 as slightly better for white at depth 15 when after h4 >the position is evaluated as slightly better for black. > >> >>movei00_8_295 - Junior 8.0.0.2, Computer chess game 2004 >>[D]r1b1qrk1/pp4pp/2n1p1p1/3pP1N1/2pP2Q1/P1P1B3/2P2PPP/R3K2R w KQ - 0 1 >> >>Junior maybe manouvred a bit carelessly in the opening, 20. ..Qf5 should be ?! . >> >>A nice move by movei was 22. g4: >> >>movei00_8_295 - Junior 8.0.0.2, Computer chess game 2004 >>[D]r3r1k1/p2bn1p1/1p2p1pp/3pPq2/2pP1P1Q/P1P1B3/1RPN2PP/5RK1 w - - 0 1 >> >>I won't comment on the following manouvres, some of them a bit painful to watch, >>but not decisive at all -let's move on to the critical point: >> >>movei00_8_295 - ba2axf, Computer chess game 2004 >>[D]2q2r2/p3nrpk/1p2p1pp/3pP3/b1pP1PPN/P1P1B3/1RP3QP/3R3K w - - 0 1 >> >>37. g5 ? - ouch. > >Here movei with deeper search can avoid this move(not because of the idea Rxf4 >but because of different reasons). > >Note that movei likes g5 because this move increase the pressure against the >square near the black king. > >the knight control g6 that is near the black king and the pawn controls h6 that >is near the black king. > >h5 also move pawn near the king forward so movei does not expect it to be a good >move. > >Still movei could prevent Rxf4 by Qd2 and I doubt if black has a simple win. > >Movei could find Rxf4 by search but probably not with Junior's hardware. >I agree that Rxh4 is harder to find but the question is if it is necessary to >win because black may have more than one way to win. > >If black can win without Rxh4 then it is not a good test. > >Uri Movei after a long analysis see big advantage for black without Rxh4 so I guess that the question how to win is a question of style. depth=17 +1.21 f4e4 h1g2 e7f5 h4f5 e6f5 g2f2 h5h4 g3g2 f8a3 g2f3 h7g8 f2g1 e4d4 b2b3 c4b3 c3d4 b3c2 f3d5 g8f8 Nodes: 676829600 NPS: 532341 Time: 00:21:11.42 Uri
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