BT Cannon is essentially a DT Cannon with the TSD part (marked sky blue below) shifted 1 column. The BT Cannon → C-Spin → Perfect Clear loop created by 26_nameless is a popular way to use BT Cannon as an opener.

The BT Cannon (BT砲), where the letter "B" stands for "Beta", is a Double Triple setup invented by a Japanese player TCM-β. It uses a good balance of pieces and it looks beautiful. The important foundation is an early I-mino.

BT Cannon, where the letter "B" means "beta", is a Double Triple setup invented by Japanese player TCM-β. It uses a good balance of pieces. The important foundation is an early I-Block.

DT Cannon is a technique that results in a T-Spin Double followed by a T-Spin Triple. It is a popular opener for almost every bag (especially useful when the first T piece comes very early). Experienced players also use this technique in mid-game.

A BT Cannon → C-Spin → Perfect Clear loop created by 26_nameless that has a high chance of completing and continuing the loop

BT Cannon. BT Cannon is like DT Cannon; a setup that results in a T-Spin Double followed by a T-Spin Triple within 3 bags. It can be used on a wide range of first bags, among others for a T piece start paired with early S and Z pieces.

Jan 21, 2021 · A bt cannon is an opener/strategy in tetris, which is a tsd followed up by a tst, then a c spin, then possibly a perfect clear end. While not as useful in versus games, it is definitely op in blitz /ultra mode. Get the bt cannon mug.

Apr 23, 2021 · The main difference between DT and BT is their structures. As pointed out by another comment, the way each cannon is structured gives each build its advantage. In DT Cannon, you have much more options coming out of the TST, such as DT REN, DT Amemiya (DT あめみや), DT C-Spin (DT TKI), or even DT PCs (DT パフェ).

Oct 13, 2022 · 0% build chancevery reliable openerpiece sequence:izstjolozjslioszjlizojtslilojtjizsttllsiioosztzsiijjottzjjijlloosiszzsttsolzjlozttztttttttttttjilszoltjji?

Nov 4, 2021 · As others have said, that's a BT cannon. I remember being similarly amazed the first time I saw it. I got absolutely destroyed and was like "WTF was that???" So then I saved a replay of that game and learned how to replicate it solely from watching that one replay.