3/12/2026 – The American Cup, one of the United States' premier chess tournaments, returns to Saint Louis. Now in its fifth year, the event runs on March 3-12 at the Saint Louis Chess Club, featuring sixteen of America's top chess talents. The event concludes on Thursday with the Grand Final Reset of the women's competition, where Alice Lee and Carissa Yip battle for the title. | Follow the games live with expert commentary starting at 18.00 CET (13.00 ET, 22.30 IST) | Pictured: Alice Lee | Photo: Lennart Ootes
new: ChessBase 18 - Mega package
Winning starts with what you know
The new version 18 offers completely new possibilities for chess training and analysis: playing style analysis, search for strategic themes, access to 6 billion Lichess games, player preparation by matching Lichess games, download Chess.com games with built-in API, built-in cloud engine and much more.
YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before. FRITZ is more than just a chess engine – it’s a training revolution! Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.
Why memorising endless theory might not be the best path - and how an idea-based repertoire can change your game.
€69.90
Day 10
The format has two brackets composed of eight players each. The eight-player field competes against each other in knockout style. The double elimination format ensures a second shot at the top for any player who loses a match.
The King‘s Indian Attack is a universal opening: easy to learn, flexible, and rich in both tactical and positional opportunities.
Participants play a two-game classical match followed by rapid tiebreaks if needed. The winners advance in the Championship Bracket, while those who lose their match continue with rapid chess in the Elimination Bracket. Anyone who loses their match in the Elimination Bracket is then eliminated from the tournament.
The classical time control will be game in 90 minutes plus 30-second increments from move one (G/90+30).
The rapid time control will be game in 25 minutes plus 10-second increments from move one (G/25+10).
The playoff time control will be game in 3 minutes plus 2-second increments from move one (G/3+2).
The Armageddon time control shall be: White starts with 3 minutes and Black starts with 2 minutes, plus two 2-seconds increment from move one.
In the Championship Bracket, each match will consist of two classical games.
In the Elimination Bracket, each match will consist of two rapid games.
In the Playoffs, players shall contest a two-game blitz match. If the match ends in a tie, the players shall repeat this process until a winner is determined.
YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.
IM Andrew Martin shows why this 19th-century opening weapon still is a fantastic choice for club players. The Evans produces exciting chess and teaches the art of attack.
The major part of the material on which the Petroff Defence Powerbook 2026 is based comes from the engine room of playchess.com: 357 000 games. This imposing number is supplemented by another 17 000 from Mega and from correspondence chess.
Petroff Defence Powerbase 2026 is a database which contains 6475 high class games from Mega 2026 and the Correspondence Database 2026, of which 682 annotated.
Videos: Felix Blohberger presents the surprise weapon 4…a6 in the Four Knights Game. Mihail Marin analyses the English Opening with 1.c4 e5 2.g3 g6 3.d4 exd4 4.Qxd4 Nf6 5.Bg2 Nc6. Plus the ‘Lucky bag’ featuring 37 analyses by Berg, Radjabov and others.
Renowned for its solidity and strategic soundness, it has been a cornerstone of the repertoires of elite grandmasters including Fabiano Caruana and Ian Nepomniachtchi, who relied on it successfully in the Candidates Tournament.
€39.90
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