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Lately my blog has turned into where I share my best Tetris discoveries. I am always amazed to discover something new. Previously I had written about the ET cannon and it’s potential for perfect clears every 14 lines. However it is also possible to perfect clear in the third bag with 100% success. According to Solution finder, there are 83 solutions total and 66 minimal solutions. I have multiple input and output files available to anyone who wants them to see the solutions. Just send me an email at chastitywhiterose@gmail.com and I can send them to you.

You can also view the list of 66 minimal solutions here:
https://chastitywhiterose.github.io//tetris/solution_finder/et%20bag%203%20path_minimal.html

However if you have Solution finder, you can get the same results yourself. Here is the text of the field.txt file.

6
XXX______X
XXX______X
XXX____XXX
XXXX____XX
XXXX_XXXXX
XXXX___XXX

Run this command to process:

java -jar sfinder.jar path

And you will see that there are more solutions than you would expect. But that is not the end of it. A third bag perfect clear will result in one extra block left over after the perfect clear. This is where the Double Perfect Clear setups come in.

This part of the harddrop wiki specifically is what is relevant.

The shape which can be made with those extra pieces after the T spin creates this basic shape. Here is a field.txt file for Solution Finder.

4
XX___XXX__
XXX__XXXX_

There are 11 total solutions and 1 minimal solution. The following is that minimal solution.

You can see that it is one of the solutions from the wiki. However the other solution can be great too because it means another T spin double.

Obviously these methods would be hard to pull off in ordinary gameplay but it remains theoretically possible to use the ET cannon to get an 8 line perfect clear, then use the DPC setup to get another perfect clear after 6 lines. This means that in 14 lines two perfect clears are done.

You may wonder why this is important. The simple reason is that the high scoring potential of perfect clears as well as garbage sending means that someone could score higher in only 70 lines than I would usually achieve in 100 lines. I will have to test out my theory to be sure on this but if my math is correct it would be unbelievably powerful. If I succeed in doing a run of this method outlined in this post I will make a video of it.

You can also view all 11 solutions for the DPC here:
chastitywhiterose.github.io/tetris/solution_finder/dpc regular path_unique.html

There is another page which has more DPC setups that the harddrop wiki does not.
https://four.lol/perfect-clears/dpc

Most notable are those involving an extra T piece which is rare but could happen.

Behold the power of ultra instinct!

This is the result of practicing non stop until I reached 24 T spins in the 2 minute blitz. I believe this to be the world record for T Spin Doubles in that time limit because probably nobody has tried this hard to push the limits of what can be done with the Mechanical T Spin Double loop.

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Recently, I changed my Facebook gaming page username to ChastityTetrisQueen. It’s where I post most of my Tetris videos besides my YouTube and Rumble. I play other games too but Tetris has inspired me to change the lyrics of Dancing Queen as a parody.

Start the game and the stack is low
I don’t know where this piece should go
Holding onto an I block
Then I spin the T
That’s how I get high scores
One misdrop and my stack gets high
Blocks don’t fit and I wonder why
With a downstacking combo
Everything is fine
I stack for Tetris clears
And when I get the chance

I am the Tetris Queen
Perfect clear
Start new opening
Tetris Queen
Game speeds up level 17, oh nooo!
When I fail
I retry
Having the time of my life
See that girl
Chastity
Playing to spin the T

I have played more Tetris than anyone can imagine. I have previously published posts about the ET Cannon and why it is incredibly powerful for perfect clears and sending damage.

But after much playing and experience I can tell you that even the ET Cannon does not lead to the highest possible score nor the most garbage sent to an opponent in vs mode.

The highest scoring method I have discovered is no doubt the Mechanical T Spin Double. More precisely, it is version 2. To get an idea of how it works, I have some videos here you can watch. Afterwards I will describe the math behind why it scores so high.

The reason that all my highest scores use this method is because of how all modern Tetris games score T spins better than a four line clear.

Tetris(four lines with I piece) = 800
TSD(clearing two lines by spinning T piece in place) = 1200.

Obviously 1200 is more than 800, but wait, since only two lines are cleared, this means that doing it twice would clear 4 lines and score 2400 right? Wrong! You see when you repeatedly do Tetris and/or T spin clears, you get a 50% score bonus. This means that the second T spin double would be 1800 points instead for a total of 1200+1800=3000 with only four lines cleared. This makes it the highest way to score in marathon mode where there are a limited number of lines to clear before the game ends.

However this method also is effective in vs battles. The reason is that the back to back bonus also applies to the garbage sent. T spin doubles send 4 lines of garbage but each one in a row after that will send 6.

There is one downside. Using this loop makes the stack slightly higher each time and there is no way to do only TSDs. This is why in many of my videos you see me place random pieces into the 3 wide hole in the middle. The key is that the pieces must be balanced. 1 of each of the 6 pieces(T,J,L,O,S,Z) must be placed. If they are not all used, there is an imbalance and it becomes impossible to continue the loop.

The I piece is a little bit different. Normally they are stacked on top of each other either on the left or right side of the screen. However because they become taller faster than any other piece, it is possible to have extras which can also go down in the hole. Sometimes this even allows for a Tetris clear. While this is not as good as a TSD, it does maintain the back to back bonus and so it is recommended to try this. A lot of the time it is best to wait until the stack gets very tall so that there is plenty of room to place the 6 pieces I mentioned in the 3 wide well. As long as this rule is followed, it is theoretically possible to play forever. Practically though, it only works until the game speeds up to about level 11 and the pieces drop too fast to place them where you need. At that point all other methods also break down so just freestyle and try to survive as long as you can.

I hope my videos and this post help people learn to use this most effective method in their Tetris games. The only method that could possibly score higher would be ST stacking. However it’s much too difficult for most people to pull off and it would result in getting KOd pretty easily in vs battles.

Update:

There is one thing that is even more high scoring theoretically than a mechanical T Spin Double loop. That would be an infinite T Spin Triple loop. However this would not apply in ultra or blitz mode because setting up a TST loop takes a lot more time and is not as easy to maintain. Still. If time is not a concern, then TST would be the highest score in marathon mode. I have not learned to do it myself but I am interested in the concept and it may be a future challenge. If I succeed there will be videos!