Keyor PC

Keyor PC (Japanese name... けよるパフェ) is an opener that can perform Magic Key or PC after TSS and TSD, so named because it performs Key or PC. This opener was invented by Samezame.

1st bag
TSS is done; O and J pieces are the foundation; can be stacked under the same conditions as Hachispin. The setup rate is 43.33% on one side and 67.78% on both sides.

2nd bag
TSD is always possible; O-piece, J-piece, and L-piece are interchangeable in placement.

3rd bag
TSD is always possible; J and L pieces are interchangeable in placement.

4th bag(standard)
Roof with O-piece, J-piece, or L-piece and perform TST.

4th bag(advance)
TST to connect to STSD; O-piece, Z-piece, and S-piece are interchangeable in placement; L-piece is stacked after the TST; 65.00% probability of making this shape.

5th and 6th bag
Both bags are always TSD capable; O-piece, Z-piece, and S-piece are interchangeable in placement.

8-lines PC(90.48%)
6 filter solutions.

reference

 * [Tetris Opener Wiki]
 * [Tetris Opener Collection at Tetfu]
 * [Opener Organizing Wiki]