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Gull II chess engine takes the sole lead at TCEC

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.

TCEC report round 1 / TCEC report round 2 / TCEC report round 3 / TCEC report round 4

Official website / Replay all games with analysis

Standings

Engine ELO Points
1 Gull II 3083 3.5
2 Houdini 3 3191 3
3 Chiron 2990 3
4 Komodo 3126 3
5 Hiarcs 14.0b 2970 3
6 Rybka 4,1 3101 3
7 Vitruvius 3070 3
8 Critter 1.6a 3104 2.5
9 Shredder 2960 2.5
10 Scorpio 2787 2.5
11 Stockfish 3086 2.5
12 Spike 2926 2.5
13 Hannibal 2955 2.5
14 Quazar 2905 2
15 Protector 1.5b 2921 2
16 Equinox 3077 2
17 Arasan 2692 2
18 Dirty 2745 2
19 Nemo 1.01b 2862 2
20 Junior 13 2896 2
21 Texel 2789 2
22 Minkochess 2865 2
23 Gaviota 0.86b 2700 1.5
24 Rodent 2613 1.5
25 The Baron 3.34b 2551 1.5
26 Exchess 6.71b 2678 1
27 Crafty 2774 1
28 Octochess 2696 1
29 Danasah 2504 1
30 Nebula 2.0b 2422 0.5
31 Prodeo 1.83c 2645 0.5
32 Redqueen 2626 0

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