Stable TST (ステーブルTST) is one of the ground TST openers. This opener was invented by Aotaku1039.
1st bag
You can always stack. If the S-piece is earlier than the Z-piece, use the mirrored shape.
2nd bag
You can always send a TST. There are two forms, with "TST 1" going for an 8-lines PC and "TST 2" going for a T-Spin in the 3rd bag.
Derivation
TST 1
8-lines PC route
|
36.43%
|
33.65%
|
30.08%
|
18.33%
|
18.33%
|
15.56%
|
|
14.92%
|
12.70%
|
11.43%
|
11.11%
|
9.52%
|
8.89%
|
|
8.89%
|
8.25%
|
6.98%
|
6.67%
|
6.67%
|
5.71%
|
PC rate is 90.56%. TSD may be sent.
T-Spin route
You can always stack both bags.
TST 2
You can always send a TSD.
Other
6-lines PC
|
|
O-Hold
|
O-Hold
|
2-lines PC
|
DPC-Z
|
Since the O-Hold TST rate is 33.33% and the PC rate after that is 2.38%, there is a 0.79% chance of sending a PC.
However, if successful, a 2-lines PC can always be sent. After that, DPC-Z can be stacked.
14-lines PC (Infinite PC-Loop)
|
2nd bag TST 1
|
3rd bag TSM
|
4th bag TSD (Tetris may be sent.)
|
5th bag PC
|
|
41.83%
|
41.83%
|
32.22%
|
27.78%
|
27.78%
|
|
24.44%
|
24.44%
|
19.05%
|
14.29%
|
You can always stack everything from the 1st bag to the 5th bag PC, so you have an infinite PC-Loop with just this opener.
Reference
