PC-Spin

PC-Spin is a setup involving a T-Spin Triple which was then shortly followed by either a T-Spin Double or a T-Spin Single and ends with a 6th or 8th row Perfect Clear which was invented by a Hard Drop member named Aitch. This setup shares and has the same purpose as C-Spin. This setup was made for a reliable setup for a Perfect Clear after a few line clears. What's unique is that there are 2 quite different setups which was both named PC-Spin. One is for 6th row Perfect Clear, and the other is for 8th row Perfect Clear.

"I use the first when I just want a C-Spin with a chance for PC, and I use the second when I want C-Spin PC." - Aitch

6th Row Perfect Clear Setup

This version is used to achieve 6th row Perfect Clear after a T-spin Triple and presumably a T-Spin Single right after. This setup uses 3 bags in total.

First Bag

The first bag requires an early I,O, and J followed by L and S consecutively. This is probably one of the most piece dependant first bag setup in the Wiki, as the inventor said, "A big downside is the first bag is not very likely."

Aknowledging the mirrored build is recommended.

Second Bag

Thankfully, the second bag is far less infuriating than the first bag since it's has a decent chance to be stackable. O piece must be held until the bag ends, though.

If holding an O until the end of the bag is simply not possible, try some of these stack. Although, none of them has a possible 6th row Perfect Clear chance.

Third Bag

• Perfect Clear

There's a slight chance that a 6th-row Perfect Clear could be achieved followed after a T-Spin Single.

most likely - 1/7 chance

2/49 chance

1/49 chance

• T-Spin Triple

If completing a Perfect Clear is not possible, making another T-Spin Triple is possible by using the held O from the previous bag.

• Imperial Cross

The other alternative is to make an Imperial Cross using an S on the third bag.

8th Row Perfect Clear Setup

This version is used to achieve 8th row Perfect Clear after a T-spin Triple and either a T-Spin Double or T-Spin Single right after. This setup uses 3 bags in total.

First Bag

Unlike the relatively infuriating first setup, this one could be fully stacked with only an early L or J.

Even with a nice build chance, the mirrored stack might be needed.

Second Bag

There are around 4 (or 6) continuations found or actually needed:

93.85% - PC easy to spot

95.12% - PC hard to spot

96.94% - PC moderately easy to spot

(I could be placed on either L or J or could be held)

If placed, 70.95% - PC easy to spot; If held, 81.71% - PC easy to spot

Third Bag

• Pattern 1

(93.85%) 11 solutions; 7 shown (all solutions)

• Pattern 2

(95.12%) 36 solutions; 7 shown (all solutions)

• Pattern 3

(96.94%) 25 solutions; 7 shown (all solutions)

• Pattern 4

(Pattern 4.1 & 4.2)

(70.95%) 3 solutions (all solutions)

(Pattern 4.3)

(80.71%) 8 solutions (all solutions)

External Links

• post made by Aitch regarding his setups