ROUND 3
Bouquet vs Naum 1-0
Another Grunfeld, this time with the 10...Qc7 main line. Bouquet gets the better of it with more space and a centralized knight. Naum makes a mistake on the 42nd move and Bouquet capitalizes, eventually winding up with 2 pawns and a winning position. 1-0 in 97 moves.
Stockfish vs Strelka 1-0
A Taimanov Sicilian with opposite-side castling. Strelka sacrifices a pawn on the 16th move and the game was balanced until the 32nd move. Suddenly Strelka's evaluation plummets, underestimating Stockfish's 34th move and now Stockfish has a pawn AND the advantage! Strelka is unable to defend and Stockfish takes the win.
Deep Rybka vs Critter 1-0
The main line King's Indian, with a closed pawn structure, the kind of positions engines have trouble understanding. The queenside is quickly opened up as both engines fight on the kingside. Critter never did achieve full equality. Rybka soon won a pawn and then forced a favorable endgame, which was successfully converted into a win in 77 moves.
Equinox vs Houdini 1/2-1/2
This opening involved the Berlin Defense of the Ruy Lopez, where Equinox managed to gain an edge despite Houdini's active rooks, on move 33, Houdini sacrificed a knight for 2 kingside pawns, which proved enough compensation as the queenside gets liquidated. Houdini would have even queened a pawn in the end, but the GUI called a tablebase draw on the 66th move.
STANDINGS (3-1-0 scoring system)
7.0 Houdini
5.0 Deep Rybka, Bouquet, Stockfish
3.0 Equinox
2.0 Strelka
1.0 Critter, Naum
STANDINGS (Traditional System)
2.5 Houdini
2.0 Deep Rybka, Bouquet, Stockfish
1.5 Equinox
1.0 Strelka
0.5 Critter, Naum
ROUND 4
Bouquet vs Strelka
Naum vs Critter
Stockfish vs Houdini
Deep Rybka vs Equinox
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