With an I tetromino early in the first bag, one can try a TKI opening, invented by Tetris DS player TKI. Given the right pieces, it allows for three T-Spin Doubles and a T-Spin Triple to finish. This is a good setup since it uses all pieces in a good balance, as well as not wasting their T.
Here is the basic TKI-3 Opener. Beneath are some variations on the setup. Throughout these, however, the basic setup remains the same. The first three diagrams show the original opener and the last diagram shows Kazu's variant.
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Castle Top
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Flat Top
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Fonzie
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Kazu's variant
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Castle Top variation
Continuations
- TKI 3 TSD Opening with TST Finish
- Imperial Cross: The fourth diagram is preferred becuase one will have a chance to make a Perfect Clear (89%).
If Perfect Clear is not possible, one may build another T-Spin Double, Imperial Cross or Fractal.
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T-Spin Double
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Imperial Cross
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Fractal
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- Perfect Clear after 6 lines: Yet another way to place pieces in the second bag resulting in a chance for a Perfect Clear.
Flat Top variation
This way involves placing the J piece upside down on top of the Z piece (there is another way as shown in the first picture).
Continuations
- Blink SZ Prop: It may also lead to a Perfect Clear after 6 lines (diagram 5) if one can hold the J piece and I comes early in the third bag.
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J is used
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J in Hold
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TSD
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Perfect Clear
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If Perfect Clear is not possible, one may make another T-Spin Double like below and then continue with another TSD or 4-wide.
- Imperial Cross: The second diagram is preferred becuase one will have a chance to make a Perfect Clear (89%). The solutions are the same as above.
- Perfect Clear after 6 lines: If one can hold J and I from the third bag comes early, it is possible.
- Perfect Clear after 8 lines: Although there are other ways, this way is the easiest to memorize because it has three solutions.
- Perfect Clear after 12 lines
Fonzie variation
Continuations
- Perfect Clear after 6 lines: In the third bag, O or L must come early.
If Perfect Clear is not possible (e.g. O or L came late), one may stack an STSD.
Below is an additonal way. Either I or L should come early in the third bag.
Kazu's variation
Try this variation when the J piece comes early in the first bag.
Continuations
- T-Spin Double: The second example can be followed by a Perfect Clear (93.10 %).
- Perfect Clear after 6 lines: The last two diagrams will work if O or T come early in the third bag.
- Perfect Clear after 8 lines: The chance is 68.77%. See TKI 3 Perfect Clear for all 8 solutions.
One can continue with a T-Spin Double if they cannot make a Perfect Clear.
- Perfect Clear after 12 lines
See also
