Play Chess on a Circular Board
Featuring two original variants, Concentric Chess and Archimedes Spiral Chess, designed within the last year for modern online play.
Why Play Concentric Chess?
Discover what makes these original variants unique and challenging
Circular Board
72 cells in concentric rings create unique paths and strategic possibilities impossible on traditional boards
Special Pieces
Prince pieces immune to check, Berolina pawns with diagonal movement, and the King's initial leap
Online Multiplayer
Challenge friends with custom invites or join matchmaking. Real-time gameplay with move history and replays
Original Variants
Based on Original Concentric Chess and Archimedes Spiral Chess, now available for online play
Choose Your Variant
Two unique chess variants, each with their own strategic depth
Concentric Chess
Classic circular board with 72 cells arranged in concentric rings. Features crescents, half-moons, and twin cells that create unique movement patterns.
Play Concentric Chess
Archimedes Spiral Chess
Spiral board layout with unique geometry. Based on the Archimedes spiral, offering even more complex strategic possibilities.
Coming SoonGet Started in 3 Steps
Start playing in under a minute
Create Account
Sign up in seconds with email or play as a guest
Choose Game Mode
Play locally, invite a friend, or join matchmaking
Start Playing
Make your first move and discover new strategies
Ready to Experience Chess
Like Never Before?
Join players discovering new strategies on circular boards. Free to play, endless possibilities.