Gull II, the chess engine by Vadim Demichev, is the sole leader of TCEC computer championship. After four rounds Gull has collected 3,5/4 and is half a point ahead of competition. So far Gull has three victories – against Dirty, Critter, and Spike and a draw with Chiron.
Gull is closely followed by five engines with 3,0/4. Among them is Houdini 3 with two victories and two draws. After a shaky start, Houdini recovered in the best possible way after beating Stockfish with black in a 101 moves thriller. Other engines sharing second position are the second seeded Komodo, Hiarcs 14.0b, Chiron 1,5, Rybka 4.1, and Vitruvius.
In the group with 2,5/4 points, we find some of the top competitors as the third seeded Critter, by Richard Vida, rated 3104 ELO, as well as a well performing Scorpio 2.75 rated only at 2794 ELO.
The lowest scoring 3000+ engine so far – Equinox, started recovering with a victory against Crafty, and now stands at 2,0/4.
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