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TETRIS GLOSSARY

PPS

Also called Pieces per second

Pieces placed divided by elapsed seconds. It measures speed, not placement quality. A slower run with cleaner decisions can beat a faster run that creates holes.

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WORKED NUMERICAL EXAMPLE
40 pieces ÷ 20 seconds = 2 PPSPlacement speedPieces divided by elapsed seconds

Illustrative numbers. Comparing results requires the same counting rules and timing conventions.