Operability TD (操作性TD) is one of the TD Attack openers and one of the C-Spin openers. It specializes in operability during left roofing and allows for quick stacking. This opener was invented by Aotaku1039 on August 29, 2022 Japan time.

1st bag

left roof(I-hold)

right roof(I-hold)

Stack them like this and hold the I-pieces. The left roof is easier to operate, so give priority to this side as much as possible. The setup rate is 46.67% on one side and 73.89% on both sides.

2nd bag

Z>OI

(ideal)

O>ZI

(interim)

I>O

(compromise)

Z>S>O

(bonus)

Always TST. complete with the three stacks above. Priority should be given in order from left to right as much as possible. The bonus stacking method is used when shape is important.

3rd bag(PC)

• 2nd bag interim shape(PC rate is 57.46%, TSSPC rate is 34.84%, TSDPC rate is 8.33%, 4 filter solutions.)

33.0%

31.3%

10.9%

8.3%

• 2nd bag compromise shape(PC rate is 53.25%, TSSPC rate is 34.84%, TSDPC rate is 6.19%, 4 filter solutions.)

33.0%

26.3%

10.9%

8.3%

See Also

• Solitary Moon Stacking

Reference

• [Tetris Opener Organizing Wiki]