Gamushiro Stacking

ガムシロ積み, known as Gamushiro Stackin is a Triple-Double T-Spin opener created by 組グッズ (eng. "KMGZ") and ゆう (eng. "Yū"). This opener grants reliable 8-line Perfect Clear chances or a favorable midgame board without the PC.
Compared to similar popular “Wasted T” openers such as DT-Cannon and BT-Cannon, Gamushiro Stacking boasts numerous advantages:

Reliable PC and combo downstack chances.
Superior midgame flexibility.
Resistance to spikes from other openers.

This opener requires considerable effort to memorize and use in-game to its full potential.

Notice
The following information was researched with 180 spins only. This page may be inaccurate when used in clients without 180 spins.

1st Bag

The first bag is always buildable, keeping either L or J in hold depending on which one comes first.

v115@9gQ4FewhBeR4DewwwhBeg0Q4AeBtxwwhRpi0AeBtww?whRpJeAgWgBCSZTASoeRASICvDFbMEChEJbEoOiNEFbssC0?Sg/DJmxxAFoi6AQo78A1no2AiQGDEkC2CEloo2AJ688AwtG?bEFbcEEJciNEyoo2ApN98AwUDKEzuSrDyoqxA

WIP

2nd Bag

The following setups are listed by order of their effective priority. Their names are their respective piece dependencies. The LO and JO variants are part of the original opener. The SOJ Alt was discovered by metallicLurker. The OS Alt was discovered by GenDragFan.

The leftover L piece from the first bag is placed in one of two positions. (Excluding OLL)

v115@7gglAeA8FeA8glAeB8DeB8hlB8AeJ8AeF8JeAgWTAG?XyTASYLgCFb8bDO388AQvqBA v115@ugglIeglDeA8DehlA8BeB8DeB8BeB8AeJ8AeF8JeAg?WUAGXyTASIbgCKoo2AB2STASIytC

Choosing a Setup
When choosing a setup, the O piece is always taken into consideration. The order of the setups are by their PC chances, but going for a PC may not always be the best choice, and a lower PC chance setup may end up being the superior choice. Beware of tunnel vision.

3rd Bag

Some of the examples here are rarely practical. Some donations should only be done if you’re not in danger or you have a very conducive queue for it. A lot of the examples are given simply as a testament to the flexibility of Gamushiro’s fields.

LO and OLL

v115@VgwhGeRpwhGeRpwhh0Eehlwhg0DeR4hlA8g0AeBtR4?A8hlB8BeBtB8hlB8AeJ8AeF8JeAgHdgRaHeRabexhHexhde?AAA

Sol%: 99.29%

Cover: 66.67%

TSD%: 35.00%

TSS%: 62.62%

Minimal Solutions: 21

Extra Solutions:

v115@zgA8EehlC8EeAtglE8BeBtglD8ywAtG8wwF8JeAgHN?hh0HeAtg0GeBtg0LeAgHjgQ4IeR4IeQ4Hewhh0DeRpAewhg?0EeRpAewhg0HewhOeAgHcghlAeQ4CewhBeAtglwhR4BexhB?tglwhg0Q4CewhAtRpwhi0AeQ4hlRpwhAexwAeQ4glEexwAe?Q4glHeQ4OeAgHcghWAegHFeAPgWQagHQLDeQpAPgWQaRLDe?QpAtAeglQLBPDeAtAeglneAgHVgBtHeg0BtFewhg0wwDeQL?hlwhxwDeQLAPAegWwwBtDeAPAegWneAgH

TSD

v115@wgwhBeA8FewhC8EeAtwhE8wwAeBtwhD8xwAeAtG8ww?F8JeAgH6gQ4IeQ4HeAtQ4EeQpAeBtQ4DeRpAeAtNeAgHxgR?pAeilDeRpAeglR4GeR4keAgHZgQ4IeR4IeQ4BexSglAeBtA?eRpAexSBeQawDAeRpDeQLQakeAgHZgwDEeh0BexDDeg0CeQ?4EeAtAegHwhQ4GegHIeAPkeAgHfghHDeR4Aeg0gHAeBtwDA?eQ4Beg0gHgWAexSCeh0AegWilFegWleAgH

TSS

v115@wgh0AeA8BeBtAeglg0C8CeBtglg0E8wwRphlD8xwRp?G8wwF8JeAgHvhAAgHygwhIewhCeR4DewhBtR4CehlwhAeDt?Aeg0glFeBtg0glLeAgHygQaFeRpQ4QaCexDAeRpQ4g0xShH?Eeg0LeBtPeAgHygwhFexSQLwhRpDeRaQLgHhlh0EegHAeRp?IeBPPeAgHygQaHegWAexSDeiWAexSxDGewDgWFewDAeywPe?AgH

TST

v115@kgzhglEeBtilA8Bei0BtC8CeQ4g0RpE8wwR4RpD8Ae?xwQ4G8wwF8JeAgH4gT4g0EeBti0CeilBtFewhglxwEeRpwh?NeAgHpgBtHeQ4BtGeR4IeQ4leAgHLgQ4IeR4HewhQ4HewSA?PHegHAPAeAtFegHwDAeBtFewDleAgHLgwDIexDBeAtEeQaw?DAeBtEewhBeAtg0EewhAeBPg0EewhglAehlseAgHpggWIew?wIexwIeQ4leAgH

Imperial Cross

v115@zgA8EehlC8EeAtglE8BeBtglD8ywAtG8wwF8JeAgHj?gQ4IeR4IeQ4Hewhh0DeRpAewhi0CeRpAewhg0Atg0FewhBt?g0LeAgHcghlAeQ4CewhBeAtglwhR4BexhBtglwhg0Q4ywwh?AtRpwhi0wwQ4hlRpwhAexwAeQ4glEexwAeQ4glHeQ4OeAgH?wgh0AewhFeAtg0Q4xhDeBtg0Q4neAgHvhAAgH

TSD to 6-3

LO and OLL PC Solutions

Minimals

v115@zgA8g0zhhlC8i0R4AtglE8R4BtglD8ywAtG8wwF8Je?AgH

Cover: 39.29%
Save: O

v115@zgA8Rph0ywC8Rpg0R4wwglE8R4ilD8zhG8g0F8JeAg?H

Cover: 24.44%
Save: Z

v115@zgA8zhAtRpC8i0BtRpE8g0AtilD8ywglG8wwF8JeAg?H

Cover: 23.77%
Save: S

v115@zgA8ilzhC8glywg0RpE8R4g0RpD8R4h0G8wwF8JeAg?H

Cover: 20.08%
Save: Z

v115@zgA8g0BtzhC8i0hlRpE8BtglRpD8ywglG8wwF8JeAg?H

Cover: 19.40%
Save: S

v115@zgA8Rpg0R4hlC8Rpi0AtglE8R4BtglD8ywAtG8wwF8?JeAgH

Cover: 19.05%
Save: I

v115@zgA8Rph0Q4hlC8Rpg0wwR4glE8ywQ4glD8zhG8g0F8?JeAgH

Cover: 17.78%
Save: Z

v115@zgA8Rpzhg0C8RpBtR4g0E8wwBth0D8xwR4G8wwF8Je?AgH

Cover: 14.60%
Save: L

v115@zgA8ilzhC8glQ4i0RpE8ywRpD8R4wwg0G8Q4F8JeAg?H

Cover: 13.57%
Save: Z

v115@zgA8Rpzhg0C8RpBtR4g0E8wwR4h0D8xwBtG8wwF8Je?AgH

Cover: 10.48%
Save: L

v115@zgA8RpBti0C8RpwwBtR4E8xwR4g0D8zhG8wwF8JeAg?H

Cover: 9.52%
Save: L

v115@zgA8RpilR4C8RpglAti0E8BtR4g0D8zhG8AtF8JeAg?H

Cover: 9.52%
Save: T

v115@zgA8ywR4Atg0C8zhBtg0E8R4Ath0D8wwilG8glF8Je?AgH

Cover: 8.89%
Save: O

v115@zgA8i0zhC8BtQ4hlRpE8R4glRpD8BtQ4glG8g0F8Je?AgH

Cover: 8.89%
Save: T

v115@zgA8g0ywAtRpC8i0BtRpE8R4ilD8R4AtglG8wwF8Je?AgH

Cover: 8.10%
Save: I

v115@zgA8ywQ4ilC8i0R4RpE8g0AtQ4RpD8wwBtglG8AtF8?JeAgH

Cover: 7.14%
Save: I

v115@zgA8Q4hlzhC8R4glAtg0RpE8Btg0RpD8Q4Ath0G8gl?F8JeAgH

Cover: 6.67%
Save: T

v115@zgA8Q4BthlRpC8R4BtglRpE8wwzhD8Q4xwglG8wwF8?JeAgH

Cover: 6.35%
Save: J

v115@zgA8ilAtg0RpC8glQ4Btg0RpE8AtzhD8R4h0G8Q4F8?JeAgH

Cover: 4.13%
Save: T

v115@zgA8Q4i0ilC8R4whg0AtRpE8whBtRpD8Q4whAtglG8?whF8JeAgH

Cover: 3.81%
Save: T

v115@zgA8g0ywBtglC8i0R4BtE8R4ilD8zhG8wwF8JeAgH

Cover: 3.17%
Save: O

Extras

v115@zgA8ilzhC8glQ4ywRpE8i0RpD8R4wwg0G8Q4F8JeAg?H

Cover: 15.56%
Save: Z

v115@zgA8Rph0BtglC8Rpg0Q4ilE8g0R4BtD8ywQ4G8wwF8?JeAgH

Cover: 11.98%
Save: I

v115@zgA8zhBtglC8i0Q4ilE8g0R4BtD8ywQ4G8wwF8JeAg?H

Cover: 11.59%
Save: O

v115@zgA8i0Q4ilC8zhglRpE8g0R4RpD8ywQ4G8wwF8JeAg?H

Cover: 2.54%
Save: Z

v115@zgA8Rpzhg0C8RpBtR4g0E8wwR4h0D8xwBtG8wwF8Je?AgH

Cover: 10.48%
Save: L

Open in Solution Finder >

JO

v115@VgwhGehlwhGehlwhh0Eehlwhg0DeR4hlA8g0AeBtR4?A8RpB8BeBtB8RpB8AeJ8AeF8JeAgH

Sol%: 96.94%

Cover: 66.67%

Minimal Solutions: 20

Extra Solutions: 1

JO Solutions

Minimals

v115@zgC8RpzhglC8RpBtilC8i0BtD8ywg0G8wwF8JeAgH

Cover: 38.69%
Save: S

v115@zgC8h0zhglC8g0Q4BtilC8g0R4BtD8ywQ4G8wwF8Je?AgH

Cover: 30.32%
Save: O

v115@zgC8RpQ4zhC8RpR4ilC8i0Q4glD8ywg0G8wwF8JeAg?H

Cover: 29.96%
Save: Z

v115@zgC8i0zhC8Rpg0AtilC8RpBtglD8ywAtG8wwF8JeAg?H

Cover: 28.33%
Save: S

v115@zgC8h0ywRpC8g0R4wwglRpC8R4ilD8zhG8g0F8JeAg?H

Cover: 23.02%
Save: Z

v115@zgC8g0R4hlRpC8i0AtglRpC8R4BtglD8ywAtG8wwF8?JeAgH

Cover: 19.05%
Save: I

v115@zgC8h0Q4hlRpC8g0wwR4glRpC8ywQ4glD8zhG8g0F8?JeAgH

Cover: 17.78%
Save: Z

v115@zgC8zhg0RpC8BtR4g0RpC8wwBth0D8xwR4G8wwF8Je?AgH

Cover: 14.60%
Save: L

v115@zgC8ilAti0C8RpBtR4g0C8RpAtR4D8zhG8glF8JeAg?H

Cover: 12.38%
Save: T

v115@zgC8ywR4RpC8h0R4glRpC8g0wwilD8zhG8g0F8JeAg?H

Cover: 12.38%
Save: Z

v115@zgC8BtR4g0RpC8zhg0RpC8wwR4h0D8xwBtG8wwF8Je?AgH

Cover: 6.35%
Save: L

v115@zgC8h0BtglRpC8g0Q4ilRpC8g0R4BtD8ywQ4G8wwF8?JeAgH

Cover: 11.98%
Save: I

v115@zgC8zhR4glC8Rph0ilC8Rpg0R4D8ywg0G8wwF8JeAg?H

Cover: 11.11%
Save: Z

v115@zgC8h0zhglC8g0RpwwilC8R4ywD8R4RpG8g0F8JeAg?H

Cover: 10.00%
Save: Z

v115@zgC8zhg0RpC8BtR4g0RpC8wwR4h0D8xwBtG8wwF8Je?AgH

Cover: 9.52%
Save: L

v115@zgC8Bti0RpC8wwBtR4RpC8xwR4g0D8zhG8wwF8JeAg?H

Cover: 9.52%
Save: L

v115@zgC8ilR4RpC8glAti0RpC8BtR4g0D8zhG8AtF8JeAg?H

Cover: 9.52%
Save: T

v115@zgC8BtQ4ywglC8h0R4ilC8g0BtQ4wwD8zhG8g0F8Je?AgH

Cover: 9.52%
Save: O

v115@zgC8ywAtR4glC8h0BtilC8g0wwAtR4D8zhG8g0F8Je?AgH

Cover: 7.14%
Save: O

v115@zgC8BtR4g0RpC8zhg0RpC8wwBth0D8xwR4G8wwF8Je?AgH

Cover: 6.35%
Save: L

Extras

v115@zgC8g0R4zhC8i0AtilC8R4BtglD8ywAtG8wwF8JeAg?H

Cover: 15.71%
Save: O

Open in Solution Finder >

SOJ

v115@VgwhRpGewhRpGewhh0Eehlwhg0DeR4hlA8g0AeBtR4?A8hlB8BeBtB8hlB8AeJ8AeF8JeAgH

Sol%: 96.71%

Cover: 50.00%

Minimal Solutions: 17

Extra Solutions: 10

SOJ Solutions

Minimals

Extras

Open in Solution Finder >

OS

v115@VgwhGehlwhGehlwhh0Eehlwhg0DeR4hlA8g0AeBtR4?A8RpB8BeBtB8RpB8AeJ8AeF8JeAgH

Sol%: 93.81%

Cover: 66.67%

Minimal Count: 11

OS Solutions

Minimals

3rd Bag

Gamushiro’s 3rd bag non-PC continuations is very easy to freestyle. The following examples are non-exhaustive, but should serve as good examples of what Gamushiro can continued as.

h-docs

Gamushiro Stacking

1st Bag

2nd Bag

3rd Bag

LO and OLL

Minimals

Extras

JO

Minimals

Extras

SOJ

Minimals

Extras

OS

Minimals

3rd Bag

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