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Revision as of 18:57, 1 November 2023
Dot Cannon is a C-Spin Opener similar to Gamushiro Stacking that gives a C-Spin -> Perfect Clear. It's notable for being much more streamlined than Gamushiro Stacking. The main form results in an 85.24% chance to PC in the third bag with only 5 minimals.
First Bag
The first bag is always built like this, or the mirrored version of it. With the mirrored version combined with the normal version, the build rate is 100%, but with only the standard form the build rate is 91.67%, or 4620/5040.
Unbuildable bags for the standard orientation's build have SLJO/LSJO queue order (8.33% of possible orders), while complementarily, the mirrored orientation's unbuildable bags have ZJLO/JZLO queue order - these being nonintersecting, you'll always be able to build the mirror when the standard orientation build is unbuildable, hence the 100% combined setup rate.
Second Bag
Assuming you're playing a game that has 180 spins and you're able to softdrop, the second bag will always be able to be built this way.
For those with infinite softdrop speeds, bags with queue orders with JOT > L > Z (5% of bags) can make the L placement problematic. In these cases, you can wait for gravity or compromise with a TSMS + single + single instead of TST.
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Third Bag
You now have an 85.24% PC chance with 5 minimals.
(47.62%, Save S) |
(33.33%, Save T) |
(30.79%, Save Z) |
(26.19%, Save Z) |
(13.33%, Save T) |
From this minimal set, the three save S/Z solutions have 65.16% PC chance and 46.83% T-Spin chance.
See Also
Gamushiro Stacking - A similar opener that gives a C-Spin into a PC
Mountainous Stacking - Another C-Spin PC Opener
C-Spin - The original C-Spin opener.
External links
An excellent resource for this opener made by myaobyao!#3892 on Discord.
The original page for this opener.