Author: Ernst Walet
Date: 14:20:53 02/15/98
Go up one level in this thread
On February 15, 1998 at 16:14:19, Robert Hyatt wrote: >On February 15, 1998 at 13:45:39, Ed Schröder wrote: > >>>Posted by Ernst Walet on February 15, 1998 at 06:27:54: >> >>>I've analysed some games from de Paderborn tournament with Rebel9 and >>>came across the following problem, given the following game. >> >>>[Event "7th IPCCC"] >>>[Site "Paderborn(Germany)"] >>>[Date "1998.2.13"] >>>[Round "5"] >>>[White "Diep"] >>>[Black "Zugzwang"] >>>[Result "1/2-1/2"] >>>[ECO ""] >>>[Opening ""] >> >>>1.e4 e5 2.Bc4 Nf6 3.d3 Be7 4.Nf3 Nc6 5.0-0 0-0 6.c3 d6 7.Bb3 Na5 8.Bc2 >>>c5 9.d4 cxd4 10.cxd4 Qc7 11.Nc3 Bg4 12.d5 Rac8 13.Bd3 a6 14.Qe2 Nc4 >>>15.b3 Qa5 16.Na4 b5 17.bxc4 bxa4 18.Rb1 Rb8 19.Be3 Nd7 20.h3 Bxf3 >>>21.Qxf3 Nc5 22.Bc2 a3 23.Bc1 Rxb1 24.Bxb1 Rb8 25.Qxa3 Qb4 26.Qxb4 Rxb4 >>>27.Bd2 Rxc4 28.Rc1 Rxc1+ 29.Bxc1 Bd8 30.Kf1 Ba5 31.Ke2 Na4 32.Kf3 Nc5 >>>33.Bc2 Kf8 34.Bd1 Bb6 35.Be2 Ke7 36.Bg5+ f6 37.Bd2 a5 38.g4 Ke8 39.Bb5+ >>>Ke7 40.h4 h6 41.h5 Kd8 42.Bc3 Ke7 43.Be1 Kd8 44.Bd2 Kc8 45.Bc3 Kd8 >>>46.Bb2 Ba7 47.Bc1 Bb6 48.Bf1 Na4 49.Bd2 Nc5 50.Bb5 Kc8 51.Bc3 Kd8 52.Be1 >>>Kc7 53.Bc4 Kd8 54.Bc3 Kd7 55.Bb5+ Kd8 56.Bd2 Kc8 57.Bc4 Kd8 58.Be2 Ke7 >>>59.Bb5 Kd8 60.Be3 Kc7 61.Bc1 Kd8 62.Bd2 1/2-1/2 >> >>>Rebel 9 produces illegal moves at move 55, and crashes at move 56. >>>Walking manually through the game at gives a draw by repetition at move >>>56, and at move 62. Is this correct, and are Diep and Zugzwang >>>incorrect, or is Rebel9 incorrect, and how come the illegal moves? >> >>The repetition is after: >>45.. Kd8 (first time) >>51.. Kd8 (second time) >>55.. Kd8 (third time) >> >>Perhaps somebody can double check? It wouldn't be the first time the >>repetition routine is in error (Rebel7!) and I find it suspicious that >>2 other programs do not see the repetition. >> >>I got no crashes and no illegal moves but after 55..Kd8 Rebel >>considers the game as over. I don't know what happens with moves >>after a repetition as this in principal is not possible in a game. >> Please try analyzing from lets say move 50 for white, and see what happens. Move 55 for black produces a illegal move for me and moce 56 locks up my computer. I was not able to save the game to a textfile or do anything at all but to reset the computer. >> > >you have to be careful here. 3 fold repetition does *not* end the game. >It is up to the person that makes the move that leads to the three-fold >repetition to make the claim to the TD. As I understand the rule, if >the >opponent moves and breaks the repetition sequence, it's then too late to >call this... > >Same problem happens with the 50 move rule. It doesn't end the game >unless you want it to end the game and you play the 50th move for your >side and the 50-th move for the opponent's side has already been played. >You can claim it if you want. If you don't, your opponent can claim it >if he wants, or he can push a pawn or capture a piece and start the >counter >over... So while analyzing a game it would be better not to use these two rules, as they do not automaticaly end in a draw. > > > >>>Futhermore, i noticed that when analyzing a game and Rebel is leaving >>>the book before about move 6, the time control is inncorrect. Normally >>>when you set the time to 1 minute per move, it adjust the time between >>>0:52 and 1:17, and it takes more time when it feels to. However when >>>analyzing before move 7, it putes the time between 0:33 and 1:07, but in >>>many cases just using exacly 1 min. You can see that cause when >>>rethinking the time remains 0:33 and 1:07 and does not change to 99:99 >>>and 99:99. Could someone shine a light on this? Best regards, >> >>Correct. Rebel uses less time in the opening. This to prevent spending >>lots of time on normal opening moves like Nf3, Bc4 etc. >> >>- Ed - >> >> >>>Ernst-Jan.
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