Jhess

Jhess.com

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⚠️ Important: Do not use this tool for more than 3 sessions in a row. Excessive usage may result in a ban.
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ⓘ This bar shows who's winning. More white = White is ahead. More dark = Black is ahead. The number is the advantage in pawns.
★ Best Move ⓘ The strongest move the engine found for the current position. The green highlighted squares on the board show where to move the piece.
Analyzing...
Score 0.0 ⓘ The score in pawns from your perspective. Positive (+) means you're ahead, negative (-) means your opponent is ahead. For example, +1.5 means you're up about 1.5 pawns worth of advantage.
Click Analyze or make a move
Suggested Lines ⓘ The top 3 moves the engine recommends, shown as colored squares on the board. Green is the best, yellow is second best, red is third. Depth 0
Best Good Okay
Waiting for analysis...
Controls ⓘ Strength controls how deeply the engine thinks (higher = stronger but slower). Auto-analyze runs the engine automatically after every move.
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Auto-analyze after each move
Move History ⓘ All moves played in the game. Click any move to jump to that position. Use arrow keys or the navigation buttons to step through.
Play a move or import a game
Import Position or Game ▾
Current position Starting position