Play Chess & Master Games

About this app

Play chess against the custom Pulsar engine with 8 skill levels (approximately 1200–2100). Explore the games of 20 of history's greatest chess masters during their peak years, including over 800 World Championship games. Includes engine analysis, an opening explorer, searchable game lists, and autoplay. No sign-up, no ads, and works offline. The playing program is one i've designed and tested at different levels on internet chess servers in order to come up with the ratings on the board. Users get 12 plays and can view 30 chess games for free. These are separate counters. There is a single one time in-app purchase to unlock both unlimited chess play and viewing. There are about 400 games per player on average with fully searchable lists. Just search world when viewing a player for the world championships. Chess masters included are Carlsen, Anand, Kramnik, Kapsparov, Karpov, Korchnoi, Fischer, Spassky Petrosian, Smyslov, Tal, Keres, Botvinnik, Fine, Alekhine, Capablanca, Lasker, Pillsbury, Steinitz and Morphy. Played games are logged and can also be viewed/analyzed. When reviewing master or player's games, users can override the moves and start making their own moves. The engine analysis has a move now option for users to test their moves against the engine. Back up to main line to undo. After a few moves, the opening name is given. When reviewing there is an opening explorer and engine analysis options on the board. The explorer is built from over 600k high rated, mostly over the board games. The full game's text/moves can be seen and copied to the clipboard to share with others apps when viewing Moves.

Fix to prevent bad data from creeping in to engine's hash table between moves

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 19, 2026 · 3:17 PM Free