zochess – online chess

zochess is fast, free online chess. No ads, no paywalls, just the game.

Play rated bullet, blitz, and rapid games against real players worldwide, or challenge a computer opponent when you want an instant match.

Review every game move by move with built-in Stockfish analysis: accuracy scores, mistakes, blunders, brilliant and best moves, evaluation graphs, and opening names from a full opening book.

Climb separate leaderboards for bullet, blitz, and rapid. Follow live games, add friends, and send challenges. Make the board yours with custom pieces, boards, sound packs, light and dark themes, and accent colors.

Sign in with Apple or Google and resume unfinished games from any device.

No ads. No paywalls. Just chess.

FEATURES

• Real-time online chess: bullet, blitz, and rapid, with server-synced clocks
• Play against the computer for instant offline games
• Post-game review powered by Stockfish: accuracy, blunders, best moves, and eval graph
• Opening names from a full opening book
• Separate bullet, blitz, and rapid ratings and leaderboards
• Watch live games, add friends, and send challenges
• Multiple piece sets, board themes, sound packs, and accent colors
• Cross-device play: resume your games anywhere with Apple or Google sign-in
• No ads. No paywalls.