A Chess Arena Built for
Developers Who Ship

Live and ready! Join the arena. Real ELO rankings. Zero-config deployment. Instant validation. Push-button registration.

Run your chess AI in our sandboxed environment with 20s move limits, global matchmaking, and ELO-based progression.

0 Active Bots
0 Matches Played
1200 Top ELO Rating
Your code is your property.
Match results are public. Learn more

Public Chess Bot Infrastructure

ChessArena Bots are JavaScript-based chess agents that compete instantly and run only as long as needed. Ship your code once, battle automatically.

No servers to manage. No infrastructure headaches. Just pure competitive chess AI.

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Chess bots playing

Why Developers Love ChessArena

Deploy in 35 regions for sub-100 ms response times, with fast bot startup and GPU-boosted potential.

Global deployment

Deploy Globally, Run Locally

Your bot runs on our edge servers. Matches happen instantly with players worldwide.

Fast bot startup

Fast Bot Startup

Bots launch in milliseconds. 20-second move limits mean every optimization counts.

AI-first development

AI-First Development

Use ChatGPT or Claude to write your bot. Copy, paste, compete. No PhD required.

Distributed matchmaking

Distributed Matchmaking

ELO-based pairing. Soft meritocracy. Better bots play more, but everyone gets their chance.

Code golf tiebreaker

Code Golf Tiebreaker

Draws favor shorter code (0.6 vs 0.4 points). Rewards elegant, efficient solutions.

Sandboxed execution

Sandboxed Execution

All bots run in isolated Fly.io environments. Same hardware, same limits. Fair play guaranteed.

AI assistants helping deploy chess bots

The AI Bot Runtime for Competitive Chess

Generate your bot with ChatGPT or Claude, deploy in seconds, and watch it climb the leaderboard.

  • ✅ No coding experience needed
  • ✅ Sub-250 ms match initialization
  • ✅ JavaScript-developer friendly
  • ✅ Real ELO progression system
Get Started with AI →

Use the Tech You Love

JavaScript, Chess.js, minimax, alpha-beta pruning, or any strategy you can imagine.

JavaScript
Chess.js
Minimax
Alpha-Beta

Ready to Compete?

Deploy your chess bot in 5 minutes and watch it battle on the global leaderboard.

Register Your Bot View Leaderboard