Free
In-App Purchases
About
Play any of nine variants of chess with 8 levels, 1200-2100, against the custom Pulsar engine. Review games with variant engine analysis. Styles supported are Chess960, Crazyhouse, Atomic, Losers, Giveaway, Three Checks, Advanced Pawns, Reversed Pawns and Random Pieces. The rules are included in-app. No signup. Ad Free. 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. Ratings range from 1200 to 2100 or 2200 depending on variant.
Try the app for free. There's 10 free plays of pure variants like atomic, crazyhouse and loser's and 10 free plays of chessic variants like chess960 and 30 free views of played games with analysis. A single one-time purchase unlocks unlimited play and variant engine analysis.
Played games are logged and can also be viewed/analyzed. When reviewing the player's games, users can override the moves and start making their own moves. Back up to main line to undo. If the user goes looks at the Moves while reviewing, the game can be copied to the clipboard.
The app comes with two skin themes, a reddish wood and a teal. Also here are multiple board and piece choices to choose from in settings.
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What's New in Chess Variants Studio
1.1
August 1, 2026
Fix to prevent bad data from creeping in to engine's hash table between moves
1
In-App Purchases
$3.99
Unlimited Plays and Views
Lets users play and review unlimited games







