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Third pairing: Protector vs Gull Barely an hour of play before a threefold was reached in the first game, a Neo-Grünfeld: [pgn][Event "Freezone - Episode I"] [Site "ChessGUI"] [Date "2016.04.20"] [Round "1.5"] [White "Protector 1.9.0"] [Black "Gull 3 x64"] [Result "1/2-1/2"] [WhiteElo "3153"] [Black...

Second pairing: Andscacs vs Fire Two draws in the Sicilian. [pgn][Event "Freezone - Episode I"] [Site "ChessGUI"] [Date "2016.04.20"] [Round "1.3"] [White "Andscacs 0.86"] [Black "Fire 4 x64"] [Result "1/2-1/2"] [WhiteElo "3150"] [BlackElo "3207"] [ECO "B45h"] [Time "04:07:56"] [Opening "B45h [Sicil...

First pairing: BlackMamba vs Stockfish SF off to a good start with two wins against BlackMamba: [pgn][Event "Freezone - Episode I"] [Site "ChessGUI"] [Date "2016.04.19"] [Round "1.1"] [White "BlackMamba 2.0 x64"] [Black "Stockfish 180416 64 POPCNT"] [Result "0-1"] [WhiteElo "3137"] [BlackElo "3340"]...

Just for the fun of it, a tournament between 8 of the stongest free chess engines... Participants (with current CCRL 40/40 rating) Stockfish 180416 (3340) Fire 4 (3207) Gull 3 (3200) Critter 1.6 (3171) Nirvana Chess 2.2 (3157) Protector 1.9.0 (3153) Andscacs 0.86 (3150) BlackMamba 2.0 (3137) Technic...

Congratulations to Larry and Mark for their superb program and win, and congratulations to the Stockfish team for making the final so hard fought and interesting. Really? I thought SF played a horrible superfinal. It got trounced. It was unable to make the difference in the decisive games. K finish...

After about an hour of thinking on my machine, Stockfish doesn't see anything special for White: Stockfish_14090421_x64_modern 40/56 59:32 5 668 546k 1 587k +0,12 [pgn][FEN "r1bqr1k1/ppp2pp1/3p3p/8/2Pnn2N/P5P1/1PQ1PPBP/R1B2RK1 w - - 0 14"] 14.Qd3 Nxe2+ 15.Qxe2 Nxg3 16.Qxe8+ Qxe8 17.hxg3 Qe2 18.b3 Qc...

On my quad-core machine, SF5 finds Rg1 in barely a minute and sticks to it. This move is basically "game over" for Black since White gets a crushing advantage: [D]r2q3r/pbpp1kbP/1p2pn2/6B1/1nPP3Q/8/PP1NNP1P/1BKR4 w - - 0 15 Stockfish_14090421_x64_modern 26/42+ 01:02 98 233k 1 582k +1,43 15.Rg1 Nxa2+...

Out of curiosity, how does the operator who will move the pieces for SF decide when to make the move? Is it left to their own choice (they make the move whenever they think it's appropriate) or does the engine send some sort of specific instruction (like "I'm done thinking, play this move now.")?

http://i.imgur.com/ldpJRLB.png I do not see any simpler than that available from at least Fritz7 (uci) Frizt7 GUI is a freeware now, this come with the engine fritz6 (light). The service pack come with the uci support. Thanks for the pointer. I have downloaded Fritz 7, it's running well but once yo...

Is there is a program that I can use to analyze some pgn file in order to give me to think only about the positions when one side did a significant mistake? The idea is that I can define what is a significant mistake(for example at least 0.5 pawns) and how much time to give the engine that I choose...