Coin-Flip Fish

How Coin-Flip Fish changes the game

Its chance of choosing a random legal move rises after every reply, creating increasingly unusual positions.

Its strength stays between 0 and 3,200 Elo.

Available difficulties

• Relaxed: 2,500 starting Elo
• Original: 3,000 starting Elo
• Ruthless: 3,200 starting Elo

How to play against Coin-Flip Fish

Keep pieces active and watch for tactical mistakes, but verify every threat instead of assuming the next move will be random.

Community statistics

Games played

339

Wins

257

Player win rate

75.8%

Average game length

36.5 full moves

Related bots

• Balanced Fish — It chooses the engine line whose evaluation stays closest to equality instead of always maximizing its own advantage.
• Revenge Fish — It gains Elo whenever you capture one of its pieces, making each material win strengthen its future play.
• Panic Fish — Every check you give increases its Elo, so forcing the king can make the defender much stronger.

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