Mountainous Stacking 2

Mountainous Stacking 2, or MS2 is a Triple-Double T-Spin opener created by PandaEdit158/Agent 1568AH. It is very similar to Gamushiro Stacking; it 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, MS2 boasts numerous advantages:

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

It may be a viable alternative to Gamushiro, as it requires relatively less memorization and resolves in a flatter stack.

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@9gwhQ4HewhR4DewwBewhg0Q4AeBtxwRpwhi0AeBtww?RpJeAgWMBCSZTASoeRASICvDFbcYCz735AQo78A1no2AiQG?DEkC2CEloo2AJ688AwtGbEFbcEEJciNEyoo2ApN98AwUDKE?zuSrDyoqxA

WIP

2nd Bag

The following setups are listed by order of their PC chances. Their names are their respective piece dependencies. There are 3 variants: SO, OIS, and IS The leftover L piece from the first bag is placed in one of 3 positions. (Excluding OLL)

v115@fgglIeglIehlHeB8HeC8DeA8BeC8AeJ8AeE8JeAgWJ?AGXyTASICMCzAAAA v115@vgglIeglCeB8DehlBeC8DeA8BeC8AeJ8AeE8JeAgWI?AGXyTASIbgC v115@6ghlAeB8FeglAeC8DeA8glAeC8AeJ8AeE8JeAgWIAG?XyTASoktC

Choosing a Setup
When choosing a setup, the L 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

Open in Solution Finder >

OIS

v115@VghlGewhhlGewhhlh0Eewhhlg0DeR4whB8g0AeBtR4?RpC8BeBtA8RpC8AeJ8AeE8JeAgH

Sol%: 99.29%

Cover: 50.00%

TSD%: 35.00%

TSS%: 62.62%

Minimal Solutions: 21

Extra Solutions: 5

OIS Solutions

Minimals

v115@zgB8g0zhhlC8i0R4AtglE8R4BtglD8ywAtG8wwF8Je?AgH

Cover: 39.29%
Save: O

v115@zgB8Rph0ywC8Rpg0R4wwglE8R4ilD8zhG8g0F8JeAg?H

Cover: 24.44%
Save: Z

v115@zgB8zhAtRpC8i0BtRpE8g0AtilD8ywglG8wwF8JeAg?H

Cover: 23.77%
Save: S

v115@zgB8ilzhC8glywg0RpE8R4g0RpD8R4h0G8wwF8JeAg?H

Cover: 20.08%
Save: Z

v115@zgB8g0BtzhC8i0hlRpE8BtglRpD8ywglG8wwF8JeAg?H

Cover: 19.40%
Save: S

v115@zgB8Rpg0R4hlC8Rpi0AtglE8R4BtglD8ywAtG8wwF8?JeAgH

Cover: 19.05%
Save: I

v115@zgB8Rph0Q4hlC8Rpg0wwR4glE8ywQ4glD8zhG8g0F8?JeAgH

Cover: 17.78%
Save: Z

v115@zgB8Rpzhg0C8RpBtR4g0E8wwBth0D8xwR4G8wwF8Je?AgH

Cover: 14.60%
Save: L

v115@zgB8ilzhC8glQ4i0RpE8ywRpD8R4wwg0G8Q4F8JeAg?H

Cover: 13.57%
Save: Z

v115@zgB8Rpzhg0C8RpBtR4g0E8wwR4h0D8xwBtG8wwF8Je?AgH

Cover: 10.48%
Save: L

v115@zgB8RpBti0C8RpwwBtR4E8xwR4g0D8zhG8wwF8JeAg?H

Cover: 9.52%
Save: L

v115@zgB8RpilR4C8RpglAti0E8BtR4g0D8zhG8AtF8JeAg?H

Cover: 9.52%
Save: T

v115@zgB8ywR4Atg0C8zhBtg0E8R4Ath0D8wwilG8glF8Je?AgH

Cover: 8.89%
Save: O

v115@zgB8i0zhC8BtQ4hlRpE8R4glRpD8BtQ4glG8g0F8Je?AgH

Cover: 8.89%
Save: T

v115@zgB8g0ywAtRpC8i0BtRpE8R4ilD8R4AtglG8wwF8Je?AgH

Cover: 8.10%
Save: I

v115@zgB8ywQ4ilC8i0R4RpE8g0AtQ4RpD8wwBtglG8AtF8?JeAgH

Cover: 7.14%
Save: I

v115@zgB8Q4hlzhC8R4glAtg0RpE8Btg0RpD8Q4Ath0G8gl?F8JeAgH

Cover: 6.67%
Save: T

v115@zgB8Q4BthlRpC8R4BtglRpE8wwzhD8Q4xwglG8wwF8?JeAgH

Cover: 6.35%
Save: J

v115@zgB8ilAtg0RpC8glQ4Btg0RpE8AtzhD8R4h0G8Q4F8?JeAgH

Cover: 4.13%
Save: T

v115@zgB8Q4i0ilC8R4whg0AtRpE8whBtRpD8Q4whAtglG8?whF8JeAgH

Cover: 3.81%
Save: T

v115@zgB8g0ywBtglC8i0R4BtE8R4ilD8zhG8wwF8JeAgH

Cover: 3.17%
Save: O

Extras

v115@zgB8ilzhC8glQ4ywRpE8i0RpD8R4wwg0G8Q4F8JeAg?H

Cover: 15.56%
Save: Z

v115@zgB8Rph0BtglC8Rpg0Q4ilE8g0R4BtD8ywQ4G8wwF8?JeAgH

Cover: 11.98%
Save: I

v115@zgB8zhBtglC8i0Q4ilE8g0R4BtD8ywQ4G8wwF8JeAg?H

Cover: 11.59%
Save: O

v115@zgB8i0Q4ilC8zhglRpE8g0R4RpD8ywQ4G8wwF8JeAg?H

Cover: 2.54%
Save: Z

v115@zgB8Rpzhg0C8RpBtR4g0E8wwR4h0D8xwBtG8wwF8Je?AgH

Cover: 10.48%
Save: L

Open in Solution Finder >

SO

v115@fgh0RpFeg0Q4RpBeglBewhg0R4CeilwhB8Q4AeBtil?whC8BeBtA8glwhC8AeJ8AeE8JeAgH

Sol%: 98.57%

Cover: 66.67%

Minimal Solutions: 14

Extra Solutions: 2

SO Solutions

Minimals

v115@zgzhili0D8glR4Rpg0D8R4A8RpD8ywH8wwE8JeAgH

Cover: 40.18%
Save: Z

v115@zgzhh0AtglRpD8g0BtglRpD8g0AtA8hlD8ywH8wwE8?JeAgH

Cover: 35.19%
Save: S

v115@zgzhi0ilD8Rpg0glR4D8RpA8R4D8ywH8wwE8JeAgH

Cover: 31..80%
Save: Z

v115@zgzhh0AtilD8g0BtglR4D8g0AtA8R4D8ywH8wwE8Je?AgH

Cover: 31.32%
Save: O

v115@zgzhg0R4glRpD8i0glRpD8R4A8hlD8ywH8wwE8JeAg?H

Cover: 31.24%
Save: Z

v115@zgzhRpglg0R4D8ili0D8RpA8R4D8ywH8wwE8JeAgH

Cover: 21.9%
Save: Z

v115@zgzhh0AtglRpD8g0BtglRpD8R4A8hlD8R4AtH8g0E8?JeAgH

Cover: 20.29%
Save: T

v115@zgzhRpglh0AtD8ilg0BtD8RpA8g0AtD8ywH8wwE8Je?AgH

Cover: 19.73%
Save: S

v115@zgzhQ4ilRpD8R4BtRpD8wwQ4A8BtD8xwglH8wwE8Je?AgH

Cover: 14.65%
Save: J

v115@zgzhili0D8ywRpg0D8R4A8RpD8R4wwH8glE8JeAgH

Cover: 12.40%
Save: Z

v115@zgzhilh0AtD8ywg0BtD8R4A8g0AtD8R4wwH8glE8Je?AgH

Cover: 9.02%
Save: O

v115@zgzhwwilRpD8Q4glBtRpD8R4A8BtD8xwQ4H8wwE8Je?AgH

Cover: 4.19%
Save: J

v115@zgzhwwRph0AtD8Q4Rpg0BtD8R4A8g0AtD8xwQ4H8ww?E8JeAgH

Cover: 4.19%
Save: L

v115@zgzhwwg0BtRpD8Q4i0RpD8R4A8BtD8xwQ4H8wwE8Je?AgH

Cover: 2.58%
Save: L

Extras

v115@zgzhh0AtRpglD8g0BtilD8g0AtA8RpD8ywH8wwE8Je?AgH

Cover: 17.8%
Save: S

v115@zgzhglg0BtRpD8gli0RpD8hlA8BtD8ywH8wwE8JeAg?H

Cover: 12.9%
Save: S

Open in Solution Finder >

IS

v115@ngR4Rph0BeglR4whRpg0CeilwhB8g0AeBtilwhC8Be?BtA8glwhC8AeJ8AeE8JeAgH

Sol%: 96.90%

Cover: 66.67%

Minimal Solutions: 8

Extra Solutions: 10

IS Solutions

Minimals

v115@zgRpg0zhilRpi0R4glF8R4G8ywH8wwE8JeAgH

Cover: 61.18%
Save: Z

v115@zgRpilg0zhRpglBti0F8BtG8ywH8wwE8JeAgH

Cover: 53.93%
Save: S

v115@zgg0zhRpili0BtRpglF8BtG8ywH8wwE8JeAgH

Cover: 51.23%
Save: S

v115@zgRpQ4ywzhRpR4wwilF8h0G8Q4g0glH8g0E8JeAgH

Cover: 25.55%
Save: Z

v115@zgRpzhAtilRpywBtglF8h0G8wwg0AtH8g0E8JeAgH

Cover: 25.55%
Save: S

v115@zgRpQ4ywAtilRpR4wwBtglF8h0G8Q4g0AtH8g0E8Je?AgH

Cover: 20.64%
Save: I

v115@zgRpzhAtilRpi0BtglF8R4G8R4AtH8g0E8JeAgH

Cover: 18.67%
Save: T

v115@zgRpQ4i0AtilRpR4whBtglF8whAtG8Q4whg0H8whE8?JeAgH

Cover: 14.74%
Save: T

Extras

v115@zgRpQ4zhilRpR4ywglF8h0G8Q4g0wwH8g0E8JeAgH

Cover: 24.8%
Save: Z

v115@zgRpywAtzhRpi0ilF8g0glG8wwBtH8AtE8JeAgH

Cover: 13.3%
Save: S

v115@zgRpg0ywzhRpi0ilF8R4G8R4glH8wwE8JeAgH

Cover: 16.7%
Save: Z

v115@zgRpg0ywAtilRpi0BtglF8R4G8R4AtH8wwE8JeAgH

Cover: 14.3%
Save: I

3rd Bag

MS2’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 MS2 can continued as.

h-docs

Mountainous Stacking 2

1st Bag

2nd Bag

3rd Bag

OIS

Minimals

Extras

SO

Minimals

Extras

IS

Minimals

Extras

3rd Bag

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