WHITE TO MOVE — TAP A PIECE
AI plays Black · Drag to rotate
You play White · AI plays Black · Blue highlights show AI's last move
WHITE'S TURN
Last Tap Result
Tap a square on the cylinder…
Engine Verification
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Verification Checklist
Step 3d Gate — AI Activation:
☐ White moves → "AI IS THINKING..." appears
☐ AI responds after ~800ms delay
☐ Orange outlines show AI's from + to squares
☐ Orange highlights persist until White taps
☐ Turn bar shows BLACK'S TURN during AI think
☐ AI makes reasonable opening moves
☐ AI captures pieces when available
☐ AI handles DK split/double moves
☐ Check detection works both ways
☐ Game ends on checkmate or stalemate
☐ Move log shows AI moves in orange
☐ Reset clears game and AI state fully
☐ White moves → "AI IS THINKING..." appears
☐ AI responds after ~800ms delay
☐ Orange outlines show AI's from + to squares
☐ Orange highlights persist until White taps
☐ Turn bar shows BLACK'S TURN during AI think
☐ AI makes reasonable opening moves
☐ AI captures pieces when available
☐ AI handles DK split/double moves
☐ Check detection works both ways
☐ Game ends on checkmate or stalemate
☐ Move log shows AI moves in orange
☐ Reset clears game and AI state fully