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Up Topic Rybka Support & Discussion / Rybka Discussion / GM Joel Benjamin vs. Rybka: Game 3
- - By Felix Kling (Gold) [de] Date 2008-01-04 18:06 Edited 2008-01-04 18:13
[White "Benjamin"]
[Black "Rybka"]
[WhiteElo "2575"]
[BlackElo "3100"]
[Result "0-1"]
[GameID "17"]
[UniqID "279470"]
[WhiteClock "0:01:41"]
[BlackClock "1:18:24"]
[Stamp "15082"]
[LastMoves "41.e6 Rh5 -299.90"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Qc7 6.g3 Bb4 7.Bd2 Nf6 8.Bg2 Nc6 9.Nxc6 dxc6 10.O-O O-O 11.Nb5 Qe7 12.Bxb4 Qxb4 13.Nd6 Qxb2 14.Rb1 Qxa2 15.e5 Nd5 16.Rb3 b5 17.Qc1 b4 18.Bxd5 exd5 19.Rxb4 Bh3 20.Re1 Rab8 21.Rh4 Be6 22.Qd2 c5 23.Qd3 h6 24.Nf5 Rb1 25.Rxb1 Qxb1+ 26.Kg2 d4 27.Nxh6+ gxh6 28.Rxh6 Rb8 29.f3 Rb2 30.Qh7+ Kf8 31.Qh8+ Ke7 32.Rxe6+ fxe6 33.Qg7+ Ke8 34.Qg8+ Kd7 35.Qf7+ Kc6 36.Qxe6+ Kb5 37.Qd7+ Kb4 38.Kh3 Qxc2 39.Kg4 Qg6+ 40.Kf4 Rxh2 41.e6 Rh5 0-1

Rybka won, so the current standing is 2-1 for Rybka.
Parent - - By FirebrandX (**) [us] Date 2008-01-04 18:10
Kudos to Joel for fighting all the way to the bitter end!
Parent - By Felix Kling (Gold) [de] Date 2008-01-04 18:14
sorry, the .pgn was wrong, the last move was 41.Rh5, so he didn't want to see the mate :)
Parent - - By gala.martin (**) Date 2008-01-04 19:07
best game by rybka so far. BTW, the time usage is far from being optimal. Rybka always has so much time left on the clock. This is a (not so good) rybka typical behavior, but it going a bit too far in these games. We wil see more sicilian openings in the remaining games.
Parent - - By turbojuice1122 (Gold) [us] Date 2008-01-04 19:12
It's hard to say--humans are far better ponderers than any computer program, and if the extra time to get the next ply on some moves is taken up by 2-3 extra ply for Benjamin, then it's not worth it if the ply is already quite high.
Parent - - By Uly (Gold) [mx] Date 2008-01-04 20:50
On the fixed 45 seconds per move time control, on some moves, Rybka refused to use more than 10 seconds, and even played some non-obvious moves instantly. But at the 45 fixed seconds per move it makes no sense to save time (You're always getting 45 seconds no matter what.)
Parent - - By Vempele (Silver) [fi] Date 2008-01-04 20:54
Incorrect. You never know if your opponent is allowed to ponder.
Parent - By Uly (Gold) [mx] Date 2008-01-04 21:32
So Rybka plays fast so the enemy has not enough time for pondering. That explains it, thanks.

Also, it only happened when Rybka was on won positions, so it may be some Rybka's strategy to give as few time as possible to the opponent to recover (But my impression of that game, was that Shredder drew that game, because Rybka missed a move, for playing too fast.)
Up Topic Rybka Support & Discussion / Rybka Discussion / GM Joel Benjamin vs. Rybka: Game 3

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