TETRIS GLOSSARY
KPP
Also called Keys per piece · Inputs per piece
The number of counted inputs divided by placed pieces. Lower KPP can indicate better movement efficiency, but hold, rotations, tucks and the game's input-counting convention affect comparisons.
View in the A–Z glossary →100 inputs ÷ 40 pieces = 2.5 KPPInput efficiencyCounted key inputs divided by pieces
Illustrative numbers. Comparing results requires the same counting rules and timing conventions.