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T-spins are very important to maintaining a high APM in tetris. T-spins allow for more efficient attacks and faster downstacking while keeping b2b. This page will show several T-spin setups that may be used in real games.
to do list:
```
tst / inc tst
tss
shachiku train
fractal / cut copy
stsd
imp cross
dt
dtd
dt stsd/cut stsd/3d cannon
dt2
dtd2
dt2 stsd/cut stsd
bt
btd
bt stsd/cut stsd
imp cross cut tst/tsd cut bt
stsd cut tst/tsd cut bt
tst cut bt/cbt
inc imp cross cut bt
c spin
180 tss cut c spin/weird trinity
yoshihiro stacking
tst tower
trinity
tss > tst tower
nil cross
king crimson
sz timecut
----------------------------------------
fin
neo (not recommended)
iso
fin tss upgrade from tsm
fin>tsd
fin>iso
yog-sothoth
tsd cut fin
finT cannon
trehalose
wrong dt recovery
polymer dt
maltose```
Simple Single T-spin Setups
Simple Single T-spin Setups
These are T-spin setups that produce only a single T-spin. These are the building blocks for more advanced setups. It is very important to fully understand these to be able to understand more complex setups.
T-spin Double
T-spin Double
The most common T-spin setup, also abbreviated as "TSD" and also known as simply a T-spin. This clears 2 lines and sends 4 lines to your opponent and leaves behind a clean residue.
There are 2 parts to building a TSD; building the T shaped hole and building the overhang. Below are some examples for building a TSD.
Overhang built with an S piece, rest filled using J/O/Z
TKI Opener, I/J builds the T shaped hole, S builds the overhang, O/Z fills in the rest of the lines
Albatross Opener, O/S builds the T shaped hole, Z builds the overhang, L/J/I fills in the rest of the lines
O and residue builds the T shaped hole, L builds the overhang, J/S fills in the rest of the lines
There are also a few TSD setups that can be used. Spotting these can allow for easier T-spins and with enough practice, it's practically free APM.
Kaidan
A Kaidan (階段 , japanese for "stairs") is a T-spin setup that uses an S or Z piece to create the T shaped hole from a stair-like board state. The overhang can be build in many different ways. This is most commonly used in a 9-0 or 0-9 stack, but may also be used in a center well in certain conditions.
This usually blocks the well temporarily.
Look below for more examples.
A kaidan made from a 9-0 stack
Kaidan in a 6-3 stack
Kaidan in a low board, J overhang
Rare PC setup containing a kaidan
STMB Cave
An STMB cave is a floating TSD typically built over a 3 wide gap. It is usually built with a z piece to create the T shaped hole, but other pieces may be used instead.
This is an example of a floating T-spin setup.
Look below for more examples
It is easier to spot places to build an STMB cave if you look for even gaps. Look for the highlighted blocks above.
STMB cave on a low board using a hanging S piece
STMB cave with a hanging L and i instead of an S or Z
5 wide floating TSD using 2 connected S pieces
ST Stacking or S Prop
ST Stacking is a stacking method that used to be popular in score-based singleplayer modes like Ultra and Blitz. It became mostly obsolete due to the more widespread use of LST Stacking, however it can still be used in vs for extra T-spins.
T-spin setups in ST stacking are created using S props as shown on the right. This is commonly done in at the sides of the board for more consistency but it is also possible to do in the center for more flexibility when downstacking.
The mirror of this setup is still considered ST stacking despite using Z props instead of S props.
There are plenty of other sites that explain ST stacking much better than I ever could, so you could head over to this japanese website or four.lol
#1 - S prop
#2 - Kaidan
#3 - Kaidan to ST Stacking
Note: An S prop is only a single mino different from a Kaidan as shown in the first 2 images to the side.
Note #2: It is possible to start ST stacking after doing a kaidan as shown in the 3rd image.
T-spin Triple
T-spin Triple
A more advanced T-spin setup, abbreviated as a "TST". This clears 3 lines and sending 6 lines to your opponent but leaves behind a messy residue.
Just like the TSD, there are also 2 parts to building a TST; building the T shaped hole and the overhang. See below for some examples.
Incomplete T-spin Triple
Incomplete T-spin Triple
Also known as an "inc TST". This is a regular TST shape except at least one of the lines aren't completely filled, resulting in either 1 or 2 lines cleared and 2 or 4 lines sent to your opponent.
The image shown on the right is also known as "drip". It is an impractical setup that can be difficult to clean up
See below for more examples
T-spin Single
T-spin Single
Abbreviated as a "TSS". This is an incomplete TSD or an incomplete TST that clears only 1 line, sending 2 lines to your opponent. This is generally considered inefficient but is still much better than wasting a T piece or not building a T-spin setup at all. This is also the only type of T-spin that sends cheese to your opponent, as the rest send clean.
Multi T-spin setups
Multi T-spin setups
These are T-spin setups that produce 2 or more T-spins. These are much less common but can result in large spikes. Building these can also be risky as some of these setups require 3 T pieces to perform, leaving you more vulnerable until you complete and clear the setup.
Fractal
Fractal
This is simply a TSD on top of another TSD. The overhang used for the top TSD is reused as an overhang for the bottom TSD. This is the only multi T-spin setup that allows direct access to a well below it without requiring an i-spin.
Cut Copy
Cut Copy
This is a TSD that clears into another TSD. There are actually 2 different setups both named Cut Copy as seen on the right.
STSD
STSD
A super-t-spin-double is an incomplete TST setup that results in 2 TSD's. This can be ruined with a hole like the image below, requiring you to do a L/J-spin instead, also known as a boomerang. The residue from the first TSD leads to a 2nd TSD.
Imperial Cross
Imperial Cross
A super-t-spin-double is an incomplete TST setup that results in 2 TSD's. This can be ruined with a hole like the image below, requiring you to do a L/J-spin instead, also known as a boomerang. The residue from the first TSD leads to a 2nd TSD.
DT Cannon
DT Cannon
Also known as simply DT, this is a Double-Triple Cannon that consists of a TSD that clears into a TST.
DT Cannon 2
DT Cannon 2
Also known as simply DT2, this is a Double-Triple Cannon that has a different shape than DT Cannon but functions exactly the same way. There are 2 ways to do the first T-spin with the only difference being which lines get cleared first. The end result is the same regardless of which way the first T-spin is done.
Single Polymer Setups
Single Polymer Setups
Polymers are T-spins that don't look like the conventional T-spin setups. These are very rarely used due to being obscure, but is still usable in rare situations. Single polymer setups are T-spin setups that produce only a polymer spin. A good understanding of polymer setups is required to be able to understand multi T-spin setups containing polymers.
Credits
Credits
Some of these setups or examples were taken from Yakine's T-spin Server and Galactoid's T-spin guide
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