Connect Four

You: 0AI: 0
You
AI

Privacy First: Your files are processed securely. Whenever possible, processing happens in your browser and files are never stored on our servers.

Classic Connect Four vs AI using minimax with alpha-beta pruning (depth 5). Click column to drop piece; AI responds immediately. Win = 4 in a row (horizontal, vertical, diagonal). Winning cells highlighted. Hover preview shows where piece lands. Score counts player vs AI wins across games. First-mover alternates each game.

How to Use

  1. 1Click any column to drop your red piece - it falls to the lowest empty row
  2. 2Try to connect 4 of your pieces in a row (horizontal, vertical, or diagonal)
  3. 3The AI (yellow) will respond after your move - it plays to block and win
  4. 4Hover over a column to preview where your piece will land
  5. 5Win the round, then play again - the first-mover alternates each game

Features

  • 7×6 grid with gravity simulation
  • Click column to drop piece; AI responds immediately
  • Minimax depth 5 with alpha-beta pruning
  • AI evaluation: window scoring (4/3/2-in-a-row weighted), center column bias
  • Win detection: 4 in a row in all 4 directions
  • Winning cells highlighted (brighter + white border)
  • Column hover preview showing piece landing position
  • Score counter (player wins vs AI wins)
  • First-mover alternates each game
  • 100% browser-based - no account needed

Frequently Asked Questions

Guest PlanUpgrade
Operations today0 / 3
5 MB max fileNo batch
Upgrade for more

Community Feedback

Like

00

Total Rating

No ratings yet

Reviews

No reviews yet. Be the first!

Rate & Review

Was this tool helpful?

Rate this tool:

Write a Review

0/500

/ share this tool