Houdini Aquarium 2017 & Houdini PRO Aquarium 2017
Houdini Aquarium 2017 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engine Houdini 5 and 7-piece Lomonosov Tablebases.

Houdini Aquarium 2017 — $59.95 / €47.96
Houdini PRO Aquarium 2017, up to 128 cores and 128 GB of hash — $99.95 / €79.96

World Blitz Championship 2010

World Blitz Championship 2010 is held in Moscow Russia, 17-20th of November.
ChessOK will publish all games of the tournament with Rybka 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 [download PGN], Round 11 [download PGN], Round 12 [download PGN], Round 13 [download PGN], Round 14 [download PGN], Round 15 [download PGN], Round 16 [download PGN], Round 17 [download PGN], Round 18 [download PGN], Round 19 [download PGN], Round 20 [download PGN], Round 21 [download PGN], Round 22 [download PGN], Round 23 [download PGN], Round 24 [download PGN], Round 25 [download PGN], Round 26 [download PGN], Round 27 [download PGN], Round 28 [download PGN], Round 29 [download PGN], Round 30 [download PGN], Round 31 [download PGN], Round 32 [download PGN], Round 33 [download PGN], Round 34 [download PGN], Round 35 [download PGN], Round 36 [download PGN], Round 37 [download PGN], Round 38 [download PGN]

Tournament table below.
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New Products: Modern Chess Opening Series


Modern Chess Opening series consist of 7 volumes, covering almost all chess openings. The series provide detailed classification and contain a lot of training material. The theoretic material is nicely illustrated by classic games with detailed annotations that demonstrate the principal ideas of each variation for White and Black. Also each volume include many exercises for a user to solve, giving refutations of the wrong moves as well as numerous hints to help you find the correct answer.

All volumes cost €20/$25 and are already available at our online shop.

New training packages


Total Chess Training IV is a training package for club players that consists of five educational programs and covers such aspects of chess as Opening, Combinations, Attack and Defense. This package includes nearly 50,000 positions to be solved with difficulty from 1300 to 2000 ELO.


Training Package for Intermediate Players for intermediate players consists of five educational programs: Chess Endgame Training, Attack on the King II, CT-ART 4.0, Chess Tactics for intermediate players, Chess Strategy, covering every phase or aspect of chess from Opening to Endgame.

Tal’s Memorial 2010

talThe 5th Memorial of 8th world champion Michael Tal will take place in Moscow from November 5th to 15th.

Tournament format: Round robin.
Free day: 9th November

All rounds start at 12.00 UTC. ChessOK is going to broadcast all games of the tournament with Rybka Aquarium commentary starting from November 7th.

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]

Pearl Spring Masters 2010

nanjiThe Pearl Spring Masters will take place Nanjing, China from October, 20th to October, 30th.

Participants: Magnus Carlsen, Viswanathan Anand, Veselin Topalov, Vugar Gashimov, Wang Yue and Etienne Bacrot

Tournament format: Double round robin.

All rounds start at 07.30 UTC.

ChessOK is going to broadcast all games of the tournament with Rybka 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 [download PGN]

IDeA Master Trees and IDeA Game Links


Last month I described over forty new features and improvements in version 4.0.6 of Rybka Aquarium. This month I discuss two further features that will be appreciated by opening analysts, correspondence players, and other serious chess players.
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3rd Grand Slam Masters Final Bilbao


The Bilbao Masters Final take place October 9th-15th 2010. Viswanathan Anand and Magnus Carlsen are joined by Alexei Shirov and Vladimir Kramnik (qualifiers from the Shanghai Masters) to compete in the four player double round robin.

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]

World Chess Olympiad 2010

World Chess Olympiad is going to take place in Khanty-Mansiysk from September, 20th to October, 4th. There are 160 male and 120 female teams participating.
Tournament format: 11 rounds of swiss with 4 games in every round.
Play days: 21-25, 27-30 Sept, 1 & 3 Oct. All rounds start at 10:00 UTC.

ChessOK is going to broadcast all games of the tournament with Rybka 4 Aquarium commentary. The commentaries can be displayed in the six languages - Russian, English, German, Spanish, Italian or French. In each round 16 selected games are to be commented online, and another 100 games will be commented and posted on this site within 20 hours after the end of a round.

World Chess Olympiad Broadcast

Study chess online on Chess King Learn! Time-proven training courses, thousands of examples and exercises.

Start playing right now in your web browser on Chess King Playing Zone! Teams, tournaments, training, analysis and much more!

7-man Lomonosov Tablebases provide deeper-than-ever insight into chess endgame.

Download weekly chess database updates (containing 2000+ games) with latest tournaments and games in PGN and Chess Assistant format.

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