TETRIS GLOSSARY
Cut Copy
Also called Chidori-goshi
A named double-TSD construction using the same three-column-gap idea as STMB Cave. Think through how the first clear reveals the second T placement.
View in the A–Z glossary →Related terms
STMB Cave →
A floating TSD made by hanging S or Z across a three-column gap. Because the spin sits above empty space, verify the supporting corners and the board left after clearing.
Forecasting →
Planning a spin or placement for the board that will exist after an earlier clear. Mentally remove the clearing rows first; the setup's supports and overhang may move into place afterward.