TETRIS GLOSSARY
PC chance
Also called PC percentage · Solve rate · Perfect Clear chance
The share of piece orders that admit a Perfect Clear under stated assumptions. Hold, visible previews, rotation rules, known solutions and incoming garbage all matter. A published percentage is not an unconditional success rate.
View in the A–Z glossary →3 successful cases out of 4 = 75%Toy example, not an opener’s actual rateSpecify what queues and assumptions are counted
Illustrative numbers. Comparing results requires the same counting rules and timing conventions.