Skimming: Difference between revisions
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''''' | '''Skimming''' (also known as '''burning''') is a clearing method by which a player can use to make a stack even. Skimming is done by placing a tetromino either at the edge or at the surface of a stack and clearing a line as a result. The technique is favorable in multiplayer Tetris because it can save a player from topping out, flatten the field, or allow a player to Tetris. | ||
Skimming is especially effective in games that use [[combo]] scoring. In other games, skimming forfeits "back-to-back" bonuses and is penalized with more [[Line clear#Delay|line clear delay]] per line. | Skimming is especially effective in games that use [[combo]] scoring. In other games, skimming forfeits "back-to-back" bonuses and is penalized with more [[Line clear#Delay|line clear delay]] per line. | ||
Line 6: | Line 6: | ||
When a player is starved of I tetrominoes, he has to depend on other tetrominoes to keep himself from topping out or to keep his field stable. | When a player is starved of I tetrominoes, he has to depend on other tetrominoes to keep himself from topping out or to keep his field stable. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGLL | |||
GGGGGGGGGL | |||
GGGGGGGGGL | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGGOO | |||
GGGGGGGGOO | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGGS. | |||
GGGGGGGGSS | |||
GGGGGGGGGS | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGJJJ | |||
GGGGGGGGGJ | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
A T can be used to skim, either directly or by creating an [[#Overhang|overhang]] to a [[T-Spin Double Setups|T-Spin Double]]. | A T can be used to skim, either directly or by creating an [[#Overhang|overhang]] to a [[T-Spin Double Setups|T-Spin Double]]. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGTTT | |||
GGGGGGGGTG | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
Line 81: | Line 81: | ||
A funnel may be created by filling up the necessary cells to create the indent. | A funnel may be created by filling up the necessary cells to create the indent. | ||
{| | {| | ||
| | |<playfield> | ||
.......... | |||
GGG-----.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
...OOJ.... | |||
GGGOOJJJ.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
If there is already an indent, fill up the cells to create the wall. | If there is already an indent, fill up the cells to create the wall. | ||
{| | {| | ||
| | |<playfield> | ||
.......... | |||
GG--..GGGG | |||
GGGG.GGGGG | |||
GGGG.GGGGG | |||
GGGG.GGGGG | |||
</playfield> | |||
| | |<playfield> | ||
.ZZ....... | |||
GGZZ..GGGG | |||
GGGG.GGGGG | |||
GGGG.GGGGG | |||
GGGG.GGGGG | |||
</playfield> | |||
|} | |} | ||
===Inverted Funnel=== | ===Inverted Funnel=== | ||
Funnels don't have to be limited to long and empty single columns. | Funnels don't have to be limited to long and empty single columns. | ||
{| | {| | ||
| | |<playfield> | ||
.......... | |||
GGGG..--GG | |||
GGGG..--GG | |||
GGGG..GGGG | |||
GGGG.GGGGG | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGG..OOGG | |||
GGGG..OOGG | |||
GGGG..GGGG | |||
GGGG.GGGGG | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGG..GGGG | |||
GGGG..GGGG | |||
GGGG..GGGG | |||
GGGG..GGGG | |||
GGGG..GGGG | |||
</playfield> | |||
| | |<playfield> | ||
GGGG..GGGG | |||
GGGG..GGGG | |||
GGGGS.GGGG | |||
GGGGSSGGGG | |||
GGGG.SGGGG | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGG..GGGG | |||
GGGG..GGGG | |||
GGGGS.GGGG | |||
GGGG.SGGGG | |||
</playfield> | |||
|} | |} | ||
Line 159: | Line 159: | ||
In this example, using an L to clear the far right column will not result in a funnel. If an I was to be used instead, a JZ funnel will be created. | In this example, using an L to clear the far right column will not result in a funnel. If an I was to be used instead, a JZ funnel will be created. | ||
{| | {| | ||
| | |<playfield> | ||
.......... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGG.GG | |||
GGGGGGG.GG | |||
</playfield> | |||
| | |<playfield> | ||
.........I | |||
GGGGGGG..I | |||
GGGGGGGGGI | |||
GGGGGGGGGI | |||
GGGGGGG.GG | |||
GGGGGGG.GG | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
.........I | |||
GGGGGGG..I | |||
GGGGGGG.GG | |||
GGGGGGG.GG | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGLL | |||
GGGGGGGG.L | |||
GGGGGGGG.L | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGG.L | |||
GGGGGGGG.L | |||
</playfield> | |||
|} | |} | ||
Tetrominos can create different funnels depending on their orientation when used to clear a line. | Tetrominos can create different funnels depending on their orientation when used to clear a line. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGJJJ | |||
GGGGGGG..J | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG..J | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGJ.. | |||
GGGGGGGJJJ | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGJ.. | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGLL | |||
GGGGGGGG.L | |||
GGGGGGGG.L | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGG.L | |||
GGGGGGGG.L | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGL. | |||
GGGGGGGGL. | |||
GGGGGGGGLL | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGGL. | |||
GGGGGGGGL. | |||
</playfield> | |||
|} | |} | ||
Different tetrominoes can create the same funnel depending on their orientation when used to clear a line. | Different tetrominoes can create the same funnel depending on their orientation when used to clear a line. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGJ.. | |||
GGGGGGGJJJ | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGJ.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGLLL | |||
GGGGGGGL.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGL.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.J | |||
GGGGGGGG.J | |||
GGGGGGGGJJ | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGLL | |||
GGGGGGGG.L | |||
GGGGGGGG.L | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.T | |||
GGGGGGGGTT | |||
GGGGGGGG.T | |||
</playfield> | |||
|} | |} | ||
Line 371: | Line 371: | ||
Funnels can be formed by rotating tetrominoes under overhangs. | Funnels can be formed by rotating tetrominoes under overhangs. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGT. | |||
GGGGGGG.TT | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGTTT | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGT. | |||
GGGGGGGTT. | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGGT. | |||
GGGGGGG.TT | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGTTT | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.Z | |||
GGGGGGG.ZZ | |||
GGGGGGGGZ. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGZZ. | |||
GGGGGGGGZZ | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGZZ. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
This only works in [[SRS]]. | This only works in [[SRS]]. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGS. | |||
GGGGGGG.SS | |||
GGGGGGGGGS | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGSS | |||
GGGGGGGSS. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGSS. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
This only works in [[ARS]]. | This only works in [[ARS]]. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGGI. | |||
GGGGGGGGII | |||
GGGGGGG.I. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGI. | |||
GGGGGGGIII | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGGI. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
This works only in SRS with the exception of TGM3's Classic rotation system (an ARS variant), where the T is given a [[floor kick]]. | This works only in SRS with the exception of TGM3's Classic rotation system (an ARS variant), where the T is given a [[floor kick]]. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.T | |||
GGGGGGG.TT | |||
GGGGGGGGGT | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGT. | |||
GGGGGGGTTT | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
Line 557: | Line 557: | ||
[[Twists]] may be used to create funnels. | [[Twists]] may be used to create funnels. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGG.G | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGGT. | |||
GGGGGGG.TT | |||
GGGGGGGGTG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGPPP | |||
GGGGGGGGPG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGG.... | |||
GGGGGGG.GG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGT.. | |||
GGGGGG.TT. | |||
GGGGGGGTGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGTTT. | |||
GGGGGGGTGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGP.. | |||
GGGGGGPP.. | |||
GGGGGGGPGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGT.. | |||
GGGGGGTT.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
These only work in SRS. | These only work in SRS. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.J | |||
GGGGGGGG.J | |||
GGGGGGG.JJ | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGJJJ | |||
GGGGGGGGGJ | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGG.GG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG.T. | |||
GGGGGGGTTT | |||
GGGGGGG.GG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGP.. | |||
GGGGGGGPP. | |||
GGGGGGGPGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGGT.. | |||
GGGGGGGTT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG.T. | |||
GGGGGGGTTT | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG..P | |||
GGGGGGG.PP | |||
GGGGGGGGGP | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGG..T | |||
GGGGGGG.TT | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
Line 718: | Line 718: | ||
Funnels can be set up without utilizing the open column. | Funnels can be set up without utilizing the open column. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG..Z | |||
GGGGGGG.ZZ | |||
GGGGGGG.Z. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGJJZ | |||
GGGGGGGJZZ | |||
GGGGGGGJZ. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG.SS | |||
GGGGGGGSS. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGLLL | |||
GGGGGGGLSS | |||
GGGGGGGSS. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGG... | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG..OO | |||
GGGGGGG.OO | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGS... | |||
GGGGGGSSOO | |||
GGGGGGGSOO | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
===Suspended Funnel=== | ===Suspended Funnel=== | ||
Funnels can be extended over a column. | Funnels can be extended over a column. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGGGJJJ | |||
GGGGGGGGGJ | |||
GGGGGGGG.. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGGG... | |||
GGGGGGGGG. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGZZ.. | |||
GGGGGGGZZ. | |||
GGGGGGGGG. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGZZLL | |||
GGGGGGGZZL | |||
GGGGGGGGGL | |||
GGGGGGGG.. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGS.. | |||
GGGGGGGSS. | |||
GGGGGGGGS. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGSLL | |||
GGGGGGGSSL | |||
GGGGGGGGSL | |||
GGGGGGGG.. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGOO. | |||
GGGGGGGOO. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGJJJ | |||
GGGGGGGOOJ | |||
GGGGGGGOO. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGGJJJ | |||
GGGGGGGOOJ | |||
GGGGGGGG.. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGGOO. | |||
GGGGGGGOO. | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG.LL | |||
GGGGGGGOOL | |||
GGGGGGGOOL | |||
GGGGGGGG.. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGGLLL | |||
GGGGGGGLLL | |||
GGGGGGGG.. | |||
</playfield> | |||
|} | |} | ||
Line 900: | Line 900: | ||
Funnels can be mirrored with various line clears that raise the wall on the opposite side. | Funnels can be mirrored with various line clears that raise the wall on the opposite side. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGGG..G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGZZ.. | |||
GGGGGGGZZG | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGZZ.. | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG..T | |||
GGGGGGGGTT | |||
GGGGGGGG.T | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGG..T | |||
GGGGGGGG.T | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG..J | |||
GGGGGGGG.J | |||
GGGGGGGGJJ | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGGG..J | |||
GGGGGGGG.J | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
The concept can be taken further. In this example, the S tetromino can convert the LS funnel into a JZ funnel. The process may be repeated until the wall on either side of the funnel becomes too short to skim any further. | The concept can be taken further. In this example, the S tetromino can convert the LS funnel into a JZ funnel. The process may be repeated until the wall on either side of the funnel becomes too short to skim any further. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGG... | |||
GGGGGGG..G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGG... | |||
GGGGGGGS.. | |||
GGGGGGGSSG | |||
GGGGGGGGSG | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGG... | |||
GGGGGGGS.. | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGG..Z | |||
GGGGGGGSZZ | |||
GGGGGGGGZG | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
.......... | |||
.......... | |||
GGGGGGG..Z | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
.......... | |||
.......S.. | |||
GGGGGGGSSZ | |||
GGGGGGGGSG | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
GGGGGGGG.G | |||
</playfield> | |||
|} | |} | ||
Inverted funnels can be mirrored efficiently with a J/L or T tetromino. | Inverted funnels can be mirrored efficiently with a J/L or T tetromino. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGLL | |||
GGGGGGGG.L | |||
GGGGGGGGGL | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.L | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.T | |||
GGGGGGGGTT | |||
GGGGGGGGGT | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.T | |||
</playfield> | |||
|} | |} | ||
Line 1,090: | Line 1,090: | ||
When unable to tetris because of a funnel, fill it up. The main idea is to fill up more rows than the amount you clear. Technically, the I tetromino would be the best choice since it clears no rows, but it requires the player to have another I tetromino on hand. Therefore, the next best choices are the L, the J, and the T because they clear only one row for every 2 they complete. The S/Z tetromino clears two rows for every two rows it completes, which cancels out any effects. | When unable to tetris because of a funnel, fill it up. The main idea is to fill up more rows than the amount you clear. Technically, the I tetromino would be the best choice since it clears no rows, but it requires the player to have another I tetromino on hand. Therefore, the next best choices are the L, the J, and the T because they clear only one row for every 2 they complete. The S/Z tetromino clears two rows for every two rows it completes, which cancels out any effects. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGL. | |||
GGGGGGGGL. | |||
GGGGGGGGLL | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGJJ | |||
GGGGGGGGJ. | |||
GGGGGGGGJ. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGT. | |||
GGGGGGGGTT | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
Line 1,131: | Line 1,131: | ||
Step pyramid and castle structures may become an obstacle when stacking for a tetris. Only specific tetrominos can fit, which limits a player's placement options. Minor line clears can be performed to flatten the structures. | Step pyramid and castle structures may become an obstacle when stacking for a tetris. Only specific tetrominos can fit, which limits a player's placement options. Minor line clears can be performed to flatten the structures. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGG... | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGGZZ. | |||
GGGGGGGGZZ | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGGTTT | |||
GGGGGGGGT. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGG... | |||
GGGGGGG.G. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGGLLL | |||
GGGGGGGLG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
GGGGGG.... | |||
GGGGGG.... | |||
GGGGGGGLG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
Line 1,195: | Line 1,195: | ||
In this situation, clearing with an S first eliminates the funnel, disallowing any further skimming without covering the open column. | In this situation, clearing with an S first eliminates the funnel, disallowing any further skimming without covering the open column. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGGS. | |||
GGGGGGGGSS | |||
GGGGGGGGGS | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
........LL | |||
GGGGGGGGSL | |||
GGGGGGGGGL | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
Instead, if an L was to be used first, the funnel would still exist. | Instead, if an L was to be used first, the funnel would still exist. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGG.. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGGGG.. | |||
GGGGGGGGLL | |||
GGGGGGGGGL | |||
GGGGGGGGGL | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
........S. | |||
GGGGGGGGSS | |||
GGGGGGGGGS | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
The same principle also applies to inverted funnels. In this example, clearing with a T first takes away the opportunity of skimming with an L. | The same principle also applies to inverted funnels. In this example, clearing with a T first takes away the opportunity of skimming with an L. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG..GG | |||
GGGGGG..GG | |||
GGGGGG..GG | |||
GGGGGGG.GG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG..GG | |||
GGGGGG.TGG | |||
GGGGGGTTGG | |||
GGGGGGGTGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
.......... | |||
GGGGGG..GG | |||
GGGGGG.TGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
If the L was to be used first, the funnel would still be able to accomodate the T. | If the L was to be used first, the funnel would still be able to accomodate the T. | ||
{| | {| | ||
| | |<playfield> | ||
GGGGGG..GG | |||
GGGGGG..GG | |||
GGGGGG..GG | |||
GGGGGGG.GG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
GGGGGG..GG | |||
GGGGGGLLGG | |||
GGGGGG.LGG | |||
GGGGGGGLGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
| | |<playfield> | ||
.......... | |||
......T... | |||
GGGGGGTTGG | |||
GGGGGGTLGG | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
GGGGGGGGG. | |||
</playfield> | |||
|} | |} | ||
[[Category:Gameplay]] | |||
[[Category: |
Latest revision as of 07:01, 10 September 2019
Skimming (also known as burning) is a clearing method by which a player can use to make a stack even. Skimming is done by placing a tetromino either at the edge or at the surface of a stack and clearing a line as a result. The technique is favorable in multiplayer Tetris because it can save a player from topping out, flatten the field, or allow a player to Tetris.
Skimming is especially effective in games that use combo scoring. In other games, skimming forfeits "back-to-back" bonuses and is penalized with more line clear delay per line.
Minimize I tetromino dependence
When a player is starved of I tetrominoes, he has to depend on other tetrominoes to keep himself from topping out or to keep his field stable.
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A T can be used to skim, either directly or by creating an overhang to a T-Spin Double.
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Funnel
A field may not be set up for skimming without covering the open column. Stack around the open column to create a funnel for skimming efficiently. A funnel may be created by filling up the necessary cells to create the indent.
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If there is already an indent, fill up the cells to create the wall.
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Inverted Funnel
Funnels don't have to be limited to long and empty single columns.
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Line Clear
A line clear can be used to create a funnel. In this example, using an L to clear the far right column will not result in a funnel. If an I was to be used instead, a JZ funnel will be created.
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Tetrominos can create different funnels depending on their orientation when used to clear a line.
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Different tetrominoes can create the same funnel depending on their orientation when used to clear a line.
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Overhang
Funnels can be formed by rotating tetrominoes under overhangs.
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This only works in SRS.
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This only works in ARS.
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This works only in SRS with the exception of TGM3's Classic rotation system (an ARS variant), where the T is given a floor kick.
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Twist
Twists may be used to create funnels.
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These only work in SRS.
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Alternative Funnel
Funnels can be set up without utilizing the open column.
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Suspended Funnel
Funnels can be extended over a column.
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Alternate
Funnels can be mirrored with various line clears that raise the wall on the opposite side.
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The concept can be taken further. In this example, the S tetromino can convert the LS funnel into a JZ funnel. The process may be repeated until the wall on either side of the funnel becomes too short to skim any further.
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Inverted funnels can be mirrored efficiently with a J/L or T tetromino.
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Fill
When unable to tetris because of a funnel, fill it up. The main idea is to fill up more rows than the amount you clear. Technically, the I tetromino would be the best choice since it clears no rows, but it requires the player to have another I tetromino on hand. Therefore, the next best choices are the L, the J, and the T because they clear only one row for every 2 they complete. The S/Z tetromino clears two rows for every two rows it completes, which cancels out any effects.
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Flatten
Step pyramid and castle structures may become an obstacle when stacking for a tetris. Only specific tetrominos can fit, which limits a player's placement options. Minor line clears can be performed to flatten the structures.
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Order
When skimming consecutively, the order in which tetrominoes are used can make a difference. Tetromino properties have to be considered.
In this situation, clearing with an S first eliminates the funnel, disallowing any further skimming without covering the open column.
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Instead, if an L was to be used first, the funnel would still exist.
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The same principle also applies to inverted funnels. In this example, clearing with a T first takes away the opportunity of skimming with an L.
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If the L was to be used first, the funnel would still be able to accomodate the T.
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