Testing Sandbox

Welcome to the MessChess Testing Sandbox. This is where you can battle-test your custom pieces and variants against a variety of AI opponents or in local hotseat mode.

AI Opponents

Test your creations against different AI personalities, from basic random movers to advanced strategic engines.

  • Random Mover (Level 0)
  • Greedy Attacker (Level 1)
  • Positional Strategist (Level 2)
  • Grandmaster AI (Experimental)

Debug Tools

Use our suite of debugging tools to ensure your piece logic and win conditions are working as intended.

  • Move Validator Visualizer
  • State Inspector
  • FEN/PGN Import & Export
  • Undo/Redo History

Ready to test?

Select a variant or piece from your collection to start a session.