Prototype 2502 · counterpoint as strategy
Counterpoint Duel
The lower voice is fixed. You and a look-ahead AI take turns adding notes to the line above it — each note scored live by Fux's 1725 counterpoint rules. Higher total wins. The AI runs a real game-tree search, so it plays the note that leaves you the worst reply.
You0
AI · 3-ply0
self-play demo — press Begin to take over
Last move
No moves yet. In the demo above, watch the score tick as the two sides trade notes.
Verdict
Hover a cell to preview its score, then click to place. Fill all 8 beats to see who won.