Under Construction

Stitch is a skimming T-Spin Single opening setup. It can be continued with either T-Spin Double→Perfect Clear or Back-to-Backs. The setup is found by players metallicLurker and Octupus Tea.

First bag

Stitch has two 1st bag patterns leaving the same residue.

The first one is always buildable with early S, Z and 180 rotations.

Building with twists

Late L stacking

CCW and softdrop

180

CW

Late I stacking

CCW and softdrop

CCW

4-Line Perfect Clear

The chance for a 4-line Perfect Clear after the first bag is 11.43%.

The pieces left for the second Perfect Clear is OTSZ.

TSD into 8-line Perfect Clear

The backup pattern should be used when the sequence is O→L→S; otherwise, the main pattern is always applicable.

Main pattern

L→O

S→L

Perfect Clear solution

• 99.68% PC chance, listed solutions

These 12 solutions are picked to minimize the chance of J/L DPC Setups.

The pieces saved for DPC Setups are shown under the solutions.

Save Z	Save Z	Save S	Save S	Save S	Save S
Save L	Save S	Save T	Save O	Save O	Save O

Solutions with T-Spin

2 Additional solutions for potential T-Spin Single.

Save J

Save O

Backup pattern

Perfect Clear solution

• 99.25% PC chance, 11 minimal solutions

Save S	Save O	Save Z	Save Z	Save O	Save O
Save I	Save S	Save Z	Save O	Save Z

See Also

• Octupus Tea Cannon: The opener using the same initial build but different TSS direction.
  • 4-Line Perfect Clear: More solves on the 4L PC with T and I on hold and/or in queue.

External Links

• Documentation of the opener on metallicLurcker's tech page