Game Settings

API key required
Security Notice

🔒 Never share your API key with anyone!
Your key is stored locally in your browser and never sent to our servers. Keep it private to protect your OpenRouter account.

Free Models Available (50+ Models)

Difficulty Levels
🟢 Easy - Beginner
🟡 Medium - Intermediate
🔴 Hard - Advanced
🎯 Auto - Adaptive

This app includes 50+ completely free AI models from OpenRouter including:

  • 🔴 Hard Models: DeepSeek V3/R1, Llama 4, Qwen 3 235B, QwQ Reasoning
  • 🟡 Medium Models: Mistral variants, GLM series, mid-size Qwen/Gemma
  • 🟢 Easy Models: Smaller parameter models, perfect for learning
  • 🎯 Auto Mode: Automatically selects best available model

Free tier: 50 requests/day. Difficulty based on model size and capabilities.

Human vs AI
You play as White, AI plays as Black
AI vs AI
Watch two AIs battle each other
White Player
Black Player
3 seconds

Chess Arena

You play as White (bottom), AI plays as Black (top)

AI (Black)
You (White)
AI is thinking...

Game Status

Current Turn

White to move

Move Count

0

Game Duration

00:00

Game State

Ready to start

Move History

How to Play

  • You are White - Your pieces are at the bottom
  • AI is Black - AI pieces are at the top
  • Enter your API key in the settings
  • Click "New Game" to start
  • Click on your white pieces to move them
  • You can only move when it's your turn (White to move)
  • Use "Undo Move" to correct mistakes

Creator's Note

"As the creator of 8×8 Wars, I built this to make you feel like Magnus Carlsen… even if you're not — because sure, LLMs know the rules, but they still panic under pressure."

— Puneet