Houdini Aquarium 2019 & ChessOK Aquarium 2020
Houdini Aquarium 2019 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engine Houdini 6 and 7-piece Lomonosov Tablebases.

Houdini 6 Aquarium 2019 €53.95
ChessOK Aquarium 2020 €35.95

Ciudad de Linares – 2009: Gruschuk wins
linares-2009The 26th traditional TopGM’s tournament in Linares, Spain will take part from Feb 18th to Mar 8th. Players: World Champion V. Anand (IND, 2791), V. Ivanchuk (UKR, 2779), M. Carlsen (NOR, 2776), T. Radjabov (AZE, 2761), L. Aronian (ARM, 2750), Wang Yue (CHN, 2739), A. Grischuk (RUS, 2733) L. Dominguez (CUB, 2717). Tournament format: Double round-robin. Average ELO is 2756. It is 20th FIDE tournament category. All rounds start at 15:00 GMT. ChessOK is going to broadcast all games of this tournament with Rybka 3 Aquarium commentary. Games: Round 1 [download PGN], Round 2 [download PGN], Round 3 [download PGN], Round 4 [download PGN], Round 5 [download PGN], Round 6 [download PGN], Round 7 [download PGN], Round 8 [download PGN], Round 9 [download PGN], Round 10 [downloadPGN], Round 11 [downloadPGN],Round 12 [download PGN], Round 13 [download PGN], Round 14 [download PGN]

Alexander Grischuk took first place from Vassily Ivanchuk by the tie-break of winning more games

[–table–] Below are the pairings: Read the rest of this entry »

Highlights from the Rybka Aquarium book

Sicilian Najdorf: 6. Bg5 running out of favour?

In 2007 the sharp 6. Bg5 in the Sicilian Najdorf featured a nice comeback. White players delivered some heavy blows at the very popular Poisoned Pawn variation, black’s most respected line against 6. Bg5. Two years later black has been able to come up with 3 reliable answers against white’s most dangerous plan: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3 10.e5 h6 11.Bh4 dxe5 12.fxe5 Read the rest of this entry »

Candidates Match: Topalov-Kamsky
Topalov-KamskyThe match between World ex-champion Veselin Topalov (2796, Bulgaria) and World’s Cup winner Gata Kamsky (2725. USA) will take place at Sofia, Bulgaria from 17th to 28th February. The winner of the match will play against World Champion Viswanathan Anand for the title. Match format: 8 games with tie-break. Time control: 2 hours for 40 moves, then 1 hour for 20 moves and 15 min+30 sec/move. Game days: 17, 18, 20, 21, 23, 24, 26, 27 and 28 February. All games starts at 13.00 GMT. ChessOK will broadcast all games of the match! Games with Rybka 3 Aquarium comments: Game 1 [download PGN], Game 2 [download PGN], Game 3 [download PGN], Game 4 [download PGN], Game 5 [download PGN], Game 6 [download PGN], Game 7 [download PGN]

Veselin Topalov has won the match.


4 games by Sergei Tiviakov
Sergei TiviakovGM from Netherlands Sergei Tiviakov (2685) has commented few of his games from last tournaments (Gjovik GM Swiss and Moscow-Open) specially for our site. You can View or [download Download] it.

Large-scale Analysis with Rybka Aquarium
The average chess game consists of around eighty different positions. A fairly thorough game commentary may contain a couple of hundred additional positions. All of this fits neatly into the traditional game notation format. However, with Rybka Aquarium’s large-scale analyzing capabilities, the notation has lost its status as the place to store all your analysis … Article by Dadi Johnsson

Moscow-Open 2009
Mosco-Open 2009One of the biggest tournament in the world – «Moscow-Open 2009» will take place in Moscow (Russia) from Jan 31st to Feb 8th. 89 grandmasters among 276 chess players from more than 20 countries all over the world will participate in the “A” tourney. The leaders of the rating list are: Dreev (2688, RUS), Tiviakov (2685, NED), Sargissian (2677, ARM), Areshecnko (2673, UKR), Timofeev (2671, RUS), Guseinov (2661, AZE), Onischuk A. (2659, USA), Inarkiev (2656, RUS), Zhang Zhong (2656, SIN), Grachev (2655, RUS) etc. ChessOK will analyze the most interesting games of this tournament using Rybka 3 Aquarium Analyzed games: Rounds 1-3 [download PGN], Round 4 [download PGN], Round 5 [download PGN], Round 6 [download PGN], Round 7 [download PGN], Round 8 [download PGN], Round 9 [download PGN] Alexander Onischuk (USA) is the Winner of the “MoscowOpen 2009” chess tournament with points.

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