From Hard Drop Tetris Wiki
The Can Opener is an abstract and experimental opener designed by player Claramay. The name comes from the way the first T-Spin Single is performed, needing to be rotated twice which emulates the "pop pop" sound that is created from opening a soft drink. The main route for the opener involves a T-Spin Single, T-Spin Double, and T-Spin Triple.
First bag |
Soft drop T |
Pop! |
Pop! |
Sizzle... |
First Bag
- This guide will be following the original placements of the pieces. The mirrored version is also useful, for example, when S appears before Z.
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This opener requires early O and Z, and possibly late L. Once the O and Z are placed, every other piece is free placement. It is useful to know how to place the J last, as follows:
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An example of how the I can also be placed last is as follows:
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Second Bag and Onwards
There are currently two continuations for the second bag.
Continuation 1
T-Spin Double
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T-Spin Triple Route
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From here, you can tuck an L and J under the overhangs to create a 5-4 stack, or tuck either the L or J then execute a T-Spin Mini Single then enter midgame.
L and J tuck |
Example of a 5-4 stack |
TSMS with J tuck |
TSMS with L tuck |
Fractal Route
If you delay the first T-Spin Double, it is possible to create a fractal. This results in a very messy board, however it can be converted into a Fin T-Spin Double.
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Can be followed up with another T-Spin Double, however it breaks Back-to-Back.
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Continuation 2
This is by far the cleaner and more versatile continuation.
T-Spin Double
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T-Spin Triple
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The I can be placed last as follows:
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It is possible to create more T-Spins from this board. Here is an example of a possible continuation (the stacking on the left is arbitrary):
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This finally resolves into a 6-3 stack.
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(Note from Claramay: I had a bit too much fun making this, oops!)
Continuation 3
T-Spin Double
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T-Spin Double
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More stacking may be required between T-Spins. This only shows an example of a stack.
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Alternate First Bag
Below is a different way of placing the L. The continuations for this placement has a more freestyle approach.
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T-Spin Double into T-Spin Triple
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Trinity
The stack on the left is freestyled.
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Credit to ZaptorZap for helping develop this continuation
See Also
- Icebreaker - a similar setup with honestly more practical follow-ups