Practice

🎯 Mastermind

Choose your opponent - no Elo impact

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📖 How to Play Mastermind
Goal: Who solves the random code in fewer attempts?
Game Flow:
  1. A random secret code of 4 colors is generated
  2. You and the AI make guesses in parallel
  3. Both receive feedback pegs as hints
  4. Use logic to narrow down possibilities
  5. Whoever cracks the code in fewer attempts wins!
Important Rules:
  • Colors CAN repeat! (e.g., RRGG or BBBB is valid)
  • The code is exactly 4 colors long
  • Feedback pegs are NOT in order - they only show counts
Available Colors (6):
R - Red
G - Green
B - Blue
Y - Yellow
O - Orange
P - Purple
Feedback Pegs:
🔴
Red Peg
Right color, right position
⚪
White Peg
Right color, wrong position
⚫
No Peg
Color not in code
Example:
Secret: 🔴🟢🔵🟡 (RGBY)
Guess: 🔴🟡🔵🟢 (RYBG)
Feedback: 🔴🔴⚪⚪
→ 2 correct position (R, B), 2 wrong position (Y, G)
Win Condition: Whoever cracks the code in fewer attempts wins! Tie if equal. Max 10 attempts per player.
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