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

Chess Tactics in Sicilian Defense II Relased!

A new course from the Chess Tactics in the Opening series has been released!

Chess Tactics in Sicilian Defense II is aimed at club and intermediate players and presents the theory and playing hooks in the most sharp and deciding variations of the Sicilian Defense developing after moves 1. e4 c5 2. Nf3 Nc6.

The course presents a deep theoretical and practical overview of the actual variations, featuring 391 examples. Numerous new exercises provide a great opportunity to reinforce your knowledge: 412 exercises in total for all variations after 1. e4 c5 2. Nf3 Nc6.

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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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