Perfect clear: Difference between revisions

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Reverted some edits. While "All Clear" is an official term used in Tetris® games, the same can still be said for "Perfect clear". Also, the latter is the more universally-accepted term in the community.
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An '''all clear''', '''perfect clear''', or '''bravo''' is performed when a player locks a [[line clear]]ing piece resulting in a completely empty [[playfield]].
A '''perfect clear''', also called '''all clear''' or '''bravo''', is performed when a player locks a [[line clear]]ing piece resulting in a completely empty [[playfield]].


In some games, an all clear awards the player with a score bonus, or in multiplayer sends [[garbage]] lines.
In some games, a perfect clear awards the player with a score bonus, or in multiplayer sends [[garbage]] lines.


== Setup ==
== Setup ==
While all clears are quite rare in most older Tetris games, the usage of the [[Random Generator]] in modern [[Tetris Guideline|Guideline]] games allow the player to perform all clears with relative ease and a high success rate by creating two shapes with the first bag: a 4x4 square and a TSZ stack. The rest of the playfield can be filled in various ways.
While perfect clears are quite rare in most older Tetris games, the usage of the [[Random Generator]] in modern [[Tetris Guideline|Guideline]] games allow the player to perform perfect clears with relative ease and a high success rate by creating two shapes with the first bag: a 4x4 square and a TSZ stack. The rest of the playfield can be filled in various ways.
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Other setups, such as the examples below, can also result in 4-line (Tetris) or 6-line all clears.
Other setups, such as the examples below, can also result in 4-line (Tetris) or 6-line perfect clears.


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Revision as of 15:39, 27 July 2021

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A perfect clear, also called all clear or bravo, is performed when a player locks a line clearing piece resulting in a completely empty playfield.

In some games, a perfect clear awards the player with a score bonus, or in multiplayer sends garbage lines.

Setup

While perfect clears are quite rare in most older Tetris games, the usage of the Random Generator in modern Guideline games allow the player to perform perfect clears with relative ease and a high success rate by creating two shapes with the first bag: a 4x4 square and a TSZ stack. The rest of the playfield can be filled in various ways.

..........
IIII....SS
LOOJ...SST
LOOJ..ZZTT
LLJJ...ZZT
..........
IJJJZZ....
IOOJTZZ...
IOOLTTSS..
ILLLTSS...

The shape of the initial stack can also vary according to the placement of each piece. Here, a 6x4 rectangle shape is formed on the left side while a T piece sits next to the stack or is on the other side of the playfield.

..........
SIIIIZ....
SSOOZZ....
JSOOZL.T..
JJJLLLTTT.
..........
SIIIIZ....
SSOOZZ....
JSOOZL..T.
JJJLLL.TTT

Other setups, such as the examples below, can also result in 4-line (Tetris) or 6-line perfect clears.

..........
S...TI....
SS.TTI..LL
JSZZTI.OOL
JJJZZI.OOL
..........
T...ZI....
TT.ZZI..OO
TSSZLI.JOO
SSLLLI.JJJ
..........
GTTTGGILLL
GGTGGGILGG
GGGGGGIGGG
GGGGGGIGGG
..........
GTTTGGIIII
GGTGGGJJGG
GGGGGGJGGG
GGGGGGJGGG
..........
S...TI....
SS.TTI.OO.
JSZZTI.OOL
JJJZZI.LLL
..........
T...ZI....
TT.ZZI.JJ.
TSSZLI.JOO
SSLLLI.JOO
..........
GTTTGGIJJJ
GGTGGGIGGJ
GGGGGGIGGG
GGGGGGIGGG

External links