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| ==== Supplemental setups ==== | | ==== Supplemental setups ==== |
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| * Setup 1 (23.81% setup rate, 97.98% PC rate, 53 minimal solutions): If the I piece come before Z also hold the O piece at the same time, the most ideal setup can be stacked. If you must place the O piece, it should be placed on the overhang (setup B). | | * Setup 1 (23.81% setup rate, 97.98% PC rate, 19 minimal solutions): If the I piece come before Z also hold the O piece at the same time, the most ideal setup can be stacked. If you must place the O piece, it should be placed on the overhang (setup B). |
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| * Setup 2 (21.43% setup rate, 97.42% PC rate, 23 minimal solutions): If you must place the Z piece, you should be able to assemble setup A or G. | | * Setup 2 (21.43% setup rate, 97.42% PC rate, 10 minimal solutions): If you must place the Z piece, you should be able to assemble setup A or G. |
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| {{pfrow| | | | | | | | | | }} | | {{pfrow| | | | | | | | | | }} |
| {{pfrow| | | | | | | | | | }} | | {{pfrow| | | | | | | | | | }} |
| {{pfrow|I|I|I|I|Z|L|L|L|O|O}} | | {{pfrow|O|O|L|L|L|I|I|I|I|Z}} |
| {{pfrow|J|J|J|Z|Z|L|Z|Z|O|O}}
| | {{pfrow|O|O|L|S|S|J|J|J|Z|Z}} |
| {{pfrow|G|G|J|Z|G|G|G|Z|Z|G}} | | {{pfrow|G|G|S|S|G|G|G|J|Z|G}} |
| {{pfrow|G|T|T|T|G|G|G|G|G|G}} | | {{pfrow|G|T|T|T|G|G|G|G|G|G}} |
| {{pfrow|G|G|T|G|G|G|G|G|G|G}} | | {{pfrow|G|G|T|G|G|G|G|G|G|G}} |
| {{pfend}} | | {{pfend}} |
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| |} | | |} |
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| * Setup 3 (24.76% setup rate, 96.07% PC rate, 46 minimal solutions): If you must place the O piece, use setup E. | | * Setup 3 (24.76% setup rate, 96.07% PC rate, 21 minimal solutions): If you must place the O piece, use setup E. |
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| * Setup 4 (1.90% setup rate, 94.74% PC rate, 32 minimal solutions): It is not possible to score a T-Spin Triple and get the shape shown in the second diagram. On the other hand, there is a chance to get a Perfect Clear after 6 or 8 lines. In this case, after the T-Spin Double, place the Z, then S, and then L to clear a line. | | * Setup 4 (1.90% setup rate, 94.74% PC rate, 18 minimal solutions): It is not possible to score a T-Spin Triple and get the shape shown in the second diagram. On the other hand, there is a chance to get a Perfect Clear after 6 or 8 lines. In this case, after the T-Spin Double, place the Z, then S, and then L to clear a line. |
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Line 976: |
| {{pfrow| | | | | | | | | | }} | | {{pfrow| | | | | | | | | | }} |
| {{pfrow| | | | | | | | | | }} | | {{pfrow| | | | | | | | | | }} |
| {{pfrow|O|O|J|J|Z|I|I|I|I|L}} | | {{pfrow|O|O|Z|Z|I|I|I|I|O|O}} |
| {{pfrow|O|O|J|Z|Z|S|S|L|L|L}} | | {{pfrow|O|O|J|Z|Z|L|L|L|O|O}} |
| {{pfrow|G|G|J|Z|S|S|G|G|G|G}} | | {{pfrow|G|G|J|J|J|L|G|G|G|G}} |
| {{pfrow|G|T|T|T|G|G|G|G|G|G}} | | {{pfrow|G|T|T|T|G|G|G|G|G|G}} |
| {{pfrow|G|G|T|G|G|G|G|G|G|G}} | | {{pfrow|G|G|T|G|G|G|G|G|G|G}} |
Aitch Stacking is a C-Spin opener. It is originally invented by Aitch himself in 2018, but later named by Agent 1568AH in October 2021. Originally, the first bag was stacked with the J piece notch being made first, and therefore the overhang being J or IL from the second bag, but because of stacking problems, the first J piece makes the overhang first, and therefore, the second J piece will make the notch.
First Bag
If the I piece comes early (not necessarily being the first piece), almost all bags will work, but if the I piece comes as the first piece, it is always possible to assemble this opener, but the TKI 3 Opening would be a better choice because one can make a T-Spin Double in one bag.
When Aitch first made this opener, the first J piece is placed where the notch would be made. However, because of stacking problems, Agent 1568AH changed the placement of the first J piece by placing it on the overhang first. So, if you can stack the former, stacking the second bag would be easier; otherwise, stack the latter.
The overall setup rate when the J piece was made as the overhang and also counting its mirrored opener, is 75%. If the J piece was made as the notch first and also counting its mirrored opener, the setup rate is 68.57%. The mirrored openers are not shown for simplicity.
Second and Third Bag
All stacks here will be shown if the first bag was stacked with the J piece being the overhang.
Perfect Clear
Ideally, you should be able to stack one of these setups for a chance of getting a Perfect Clear in the third bag.
Standard setups
These setups were chosen by Agent 1568AH and he also discovered setup F.
- Setup A (48.33% setup rate, 96.90% PC rate, 9 minimal solutions): This is the most ideal way to stack the second bag for a chance of getting a Perfect Clear in the third bag. Furthermore, one can use an S-Spin to place the S piece, if the O, L and Z pieces were already placed.
- Setup B (66.67% setup rate, 95.79% PC rate, 24 minimal solutions)
- Setup C (24.44% setup rate, 93.02% PC rate, 7 minimal solutions)
- Setup D (41.11% setup rate, 91.19% PC rate, 6 minimal solutions)
- Setup E (70% setup rate, 91.03% PC rate, 19 minimal solutions)
- Setup F (52.86% setup rate, 85.28% PC rate, 8 minimal solutions)
- Setup G (40.63% setup rate, 80% PC rate, 7 minimal solutions)
- Setup H (36.51% setup rate, 79.96% PC rate, 8 minimal solutions)
- Setup I (45.56% setup rate, 62.34% PC rate, 4 solutions): Normally, setup F should be used intead of this, but for some cases this must be used instead of the former.
- Setup J (66.67% setup rate, 40% PC rate, 3 solutions)
Supplemental setups
- Setup 1 (23.81% setup rate, 97.98% PC rate, 19 minimal solutions): If the I piece come before Z also hold the O piece at the same time, the most ideal setup can be stacked. If you must place the O piece, it should be placed on the overhang (setup B).
- Setup 2 (21.43% setup rate, 97.42% PC rate, 10 minimal solutions): If you must place the Z piece, you should be able to assemble setup A or G.
- Setup 3 (24.76% setup rate, 96.07% PC rate, 21 minimal solutions): If you must place the O piece, use setup E.
- Setup 4 (1.90% setup rate, 94.74% PC rate, 18 minimal solutions): It is not possible to score a T-Spin Triple and get the shape shown in the second diagram. On the other hand, there is a chance to get a Perfect Clear after 6 or 8 lines. In this case, after the T-Spin Double, place the Z, then S, and then L to clear a line.
TSD + Single
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6-lines PC
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8-lines PC
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Compromise
If it is impossible to stack any of the Perfect Clear setups above, you can always stack one of the two ways below, depending on the order of the L and O pieces. A T-Spin Triple Tower can be stacked after the T-Spin Triple in either case.
See also
External Links
- Post about 8-row Perfect Clear Setups (see C-Spin)