Author: Günther Simon
Date: 12:02:56 12/01/05
Go up one level in this thread
On December 01, 2005 at 13:59:44, Dan Ellwein wrote: >On December 01, 2005 at 11:51:59, Peter Kappler wrote: > >>On November 30, 2005 at 00:34:47, Dan Ellwein wrote: >> >>>[Event ""] >>>[Site ""] >>>[Date "2005.11.29"] >>>[Round ""] >>>[White "Chessmaster"] >>>[Black "CM10_Smooth"] >>>[TimeControl "720+12"] >>>[Result "0-1"] >>>[ECO "C16"] >>> >>>Fischer time: 12 min /12 sec >>> >>>P3/850 >>> >>>1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.a3 Bxc3+ 6.bxc3 b6 7.Qg4 O-O 8.Bg5 Qd7 >>>9.Bd3 Ba6 10.Ne2 Ng6 11.O-O Bxd3 12.cxd3 c5 13.h4 >>>cxd4 14.cxd4 Ne7 15.h5 Nf5 16.Ng3 Nc6 17.h6 g6 18.Nxf5 exf5 19.Qf4 Nd8 20.Bxd8 >>>Raxd8 21.Rfc1 Rc8 22.Rxc8 Rxc8 23.Rc1 a6 24.Rxc8+ >>>Qxc8 25.Qg5 >>> >>>[d]2q3k1/5p1p/pp4pP/3pPpQ1/3P4/P2P4/5PP1/6K1 b - - 0 25 >>> >>>see if you can find black's move, then scroll down to see what CM10_Smooth >>>did... >>> >> >>25...f6 forces a draw. White plays 26. Qxf6 and Black has to force perpetual >>check. >> >>-Peter > > >Why, then, did Chessmaster (default setting) not see this and draw the game? > > >>>25. ...f6! >>> >>>26.Qe3 Kf7 27.g4 fxg4 28.exf6 Qc7 29.Qe5 Qxe5 30.dxe5 b5 31.Kf1 d4 32.Ke2 g5 >>>33.Ke1 Kg6 34.Kf1 Kxh6 35.e6 Kg6 >>>36.f7 Kg7 37.Ke1 a5 38.Kd2 h5 39.Ke2 b4 40.axb4 axb4 41.Kd2 h4 42.Kc2 h3 43.Kb3 >>>h2 44.Kxb4 h1=Q 45.Kc5 Qf3 46.Kd6 Qxf2 47.Kd7 g3 >>>48.Kd8 Qf6+ 49.Kd7 Kf8 50.Kd6 Qe7+ 51.Kd5 g2 52.Ke5 g1=Q 53.Kd5 Qg2+ 54.Ke5 Qg4 >>>55.Kd5 Qgxe6+ 56.Kxd4 Qb4# 0-1 >>> >>>Dan This happens not that seldom, if one side is only slightly in material up, it will try to win and this can sometimes even lead to a loss. IMHO this overpowering(?) is an attribute which mimics Humans at most. (not intended though) ;-)
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