SingleYou, or Single Double Perfect Clear (SDPC) (Japanese name SDパフェ), is an opener that starts with a T-Spin Single resulting in a 3-wide well. It is notable for having few dependencies (O before S, Z, or T) and many reliable continuations.
In all continuations, the first bag is stacked like so:
The routes differ from the second bag onward.
Perfect Clear
The original continuation, invented by Yuu. The term "SDPC" usually refers to this route.
By setting up a T-Spin Double as follows, one can achieve a high chance of an 8-line Perfect Clear.
The two main solutions are shown below. Together, these provide a 75% solve chance, with a 52% chance of a T-Spin Single or Double.
The remaining solutions are shown below. With these, the solve chance increases to 97%, with a 55% chance of a T-Spin Single or Double.
Link to all solutions: Fumen
If a perfect clear is not possible or if the player has already been sent garbage, sometimes you can make a T-Spin Triple or an Imperial Cross.
Late J Tuck
If the J piece is late, but the Z isn't placed yet, you can avoid a mid-air tuck with a 180 rotation. This can be useful if you have fast soft drop.
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How to tuck the J?
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Soft drop on ledge
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180
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DAS left
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Soft drop
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Clockwise – done!
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Alternate O Placement
You can also place the O piece on the other side:
This allows for an increased Tetris chance, as well as an increased solve rate overall.
The solve chance for this setup is 98.5%, with 72% resulting in a T-Spin. There are 8 solutions where pieces are not split into 2 halves and they have the best chance of working: One of them will work for 88.5% of all third bags whereas 66% yield a T-Spin as well.
Mochi Parfait
Mochi Parfait (Japanese name もっちパフェ) is an additional set of three Perfect Clear setups that aim for almost 100% PC rate.
- LZ → I (100% PC rate, 14 minimal solutions): The best thing to go for if possible, with the first three solves covering almost 75% of all bags (and 86.6% for first five).
All solutions can be found here.
- All bags (99.96% PC rate, 15 minimal solutions): For cases where the above doesn't work out, you can always go for this. (First three cover 65.4% of bags, and first 5 cover 74.6% of bags)
All solutions can be found here.
- J → O (99.80% PC rate, 18 minimal solutions): This may be the lowest of the three, but it's still a very good extra setup to learn. (First three cover 69.3% of bags, and first five cover 78.4%)
All solutions can be found here.
Mechanical TSD v2
The second bag is stacked as in the #Perfect Clear.
From here, Mechanical TSD v2 can be stacked on top.
Once sufficient height is achieved, the bottom T-Spin Single can be upgraded to a T-Spin Double.
Perfect Clear after 14 Lines
It is possible to achieve Perfect Clear (74.76%, 11 minimal solutions) with the base of Mechanical TSD. Found by Winterfrost and HDChung.
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Third Bag
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Residue
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Fourth Bag
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Residue
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11 solutions are listed below. The most common solution resembles the last Perfect Clear in BT Cannon.
SDPC Spin
Invented by Ecchou. This sends the same attack as Stickspin, but is simpler to build.
Second Bag
Third Bag
There are two ways to stack the third bag. The first is always possible, but the second results in a flatter stack.
If the first build is used, the center area must be filled in to complete the T-Spin Double. This can be done freestyle or using the STMB Cave continuation below.
STMB Cave
Created by stickmancomic. This requires the first build to be taken for the third bag.
For the first picture (fourth bag), L must come before J or S.
Extension
Builds a 6-3 stack, as well as pressuring the opponent with T-Spin Singles. This is especially powerful in games like TETR.IO which reward Back-to-Back.
Second Bag
This can always be built, though you might need to wait for gravity if the O piece arrives late.
Third Bag
You can then build SingleYou again on top of the residue.
This is almost always buildable, though you might need to skim if the O arrives late.
Perfect Clear after 14 Lines
This loop was found by Winterfrost and HDChung.
Up to second bag is same as the normal SingleYou. However, unlike the normal SingleYou, it results in 2 T-Spin Singles, a Tetris usually, and 100% Perfect Clear instead of Perfect Clear in the third bag directly, without need of using DPC for a loop. Therefore, this continuation is especially useful in games where B2B chaining is rewarded such as TETR.IO.
Third Bag (1st Path)
This is possible when J comes before T and L both are placed.
Fourth Bag (1st Path)
This is always possible to build in games with 180° spins. Otherwise, J needs to come before S.
Fifth Bag (1st Path)
100% PC chance with 23 minimal solutions. The 3 solutions with the highest chances (57.8%, 51.7%, and 50.4% respectively) are listed below. These three can be used to achieve Perfect Clear most of the time because each stands for early J and L, early T and late J and L, and late T.
The rest of solutions are here.
3rd Bag (2nd Path)
This is always possible, but will lead to less attack potentially.
4th Bag (2nd Path)
There are two versions of 4th bag. The first pattern has more stable attack than the second, but the second one will possibly have a combo tetris attack.
5th Bag (2nd Path)
Both options have 100% Perfect Clear chance. The first option has 46 minimal solutions, and the second option has 39 minimal solutions. 4 highest chance solutions for each options are listed below.
First Pattern
Full solutions are here.
Second Pattern
Full solutions are here.
See also
- Albatross Special - an opener that works for almost the same first bags
- Hachispin - an opener where the first O, S & Z pieces are stacked in the same way
- Nakamuraa's Voracity - a very long SingleYou continuation
- OT Cannon - an opener that has the same attack sequence of TSS→TSD→Perfect Clear
External links
