User:Arcorann/T-Spins

T-Spin notes.

Test cases

The minimum required to satisfy all rules is 3-corner with pointing side and the back of the T not facing a wall or floor.

Brackets indicate an unverified entry.

Before	After	Lines	Immobile?	3-corner?	Pointing side?	Kick?	TST kick?	Back?	T.com	TF	NewT	TW	DS	NC	TZ	TOJ	TPD	TTw	Notes
Classic TSD
		2	Yes	Yes	Yes	No	No	Empty	Full	Full	Yes	Yes	Full	Full	Full	Full	Full
		1	Yes	Yes	Yes	No	No	Empty	Full	Full	(Yes)	Yes
		1	Yes	Yes	No	No	No	Empty	Mini	_	_	Yes
		1	No	Yes	No	No	No	Empty	Mini	_	_	Yes
		2	Yes	Yes	Yes	Yes	No	Empty	Full	_	_	Yes
TSS from classic TSD setup
		1	Yes	Yes	Yes	No	No	Empty	_	_	_	_	Full
		1	Yes	Yes	Yes	No	No	Empty	_	_	_	_	Full
		1	Yes	Yes	Yes	No	No	Empty	_	_	_	_	Full
		1	Yes	Yes	Yes	No	No	Empty	_	_	_	_	Full
Upward-pointing Mini TSS
		1	Yes	Yes	No	Yes	No	Floor
		1	Yes	Yes	No	Yes	No	Block
		1	Yes	Yes	No	Yes	No	Empty
Sideways-pointing Mini TSS
		1	Yes	Yes	No	Yes	No	Block
		1	Yes	Yes	No	Yes	No	Empty
		1	Yes	Yes	No	Yes	No	Wall
TST-kick setups
		3	Yes	Yes	Yes	Yes	Yes	Block	Full	Full	_	_	Full
		2	Yes	Yes	Yes	Yes	Yes	Block	Full	Full	_	_	Full
		1	Yes	Yes	Yes	Yes	Yes	Block	Full	Full	_	_	Mini
		1	Yes	Yes	No	Yes	Yes	Hole	Full
		3	Yes	Yes	Yes	Yes	Yes	Wall
TST-kick chaining setups
		1	Yes	Yes	No	Yes	Chain	Empty	Full
		1	Yes	Yes	No	Yes	Chain	Floor	Mini
		2	Yes	Yes	No	Yes	Chain	Block	(Mini)
		2	Yes	Yes	No	Yes	Chain	Wall	(Mini)
Neo MTSD-like
		2	No	Yes	No	Yes	No (4)	Block	(*1)	_	n/a	_	_	_	_	_	_	(*2)
Fin TSD-like
Reverse TST kicks

The following list some mishandlings of MTSDs:

• Tetris.com (*1): 2 lines, 0 points, does not begin back-to-back
• Tetris Twist (*2): 2 lines, 200 points, treated as Mini T-Spin Single

Setups

Links

• What a T-Spin Mini is and why they are so confusing - has some edge cases