Glossary of terms

These are terms of art that are used when discussing Petal Crash play.

48/64

A known bug where the AI may occasionally grow twice with at least 48 petals on its board, overgrowing itself in the process

accept

Allowing garbage to fall

blocking

Preventing garbage from falling by clearing, without necessarily countering

blueprint chain

A chain which is planned far in advance rather than built on the fly, generally referring to a large opening chain built around the outside of the board

bulky chain

Also known as fancy chain, power chain

A chain with a large number of petals compared to its length.

checkerboarding

When the board is full of petals but few or no adjacent petals are of the same color, which generally occurs when growing many times in succession

corner cases

The set of rules for determining the direction a petal moves when pushed from several directions simultaneously

counterpressure

The ability to continue sending garbage while digging through your own garbage

CPM

Clears per minute

cut

Unintentional clears that interrupt a chain in the middle, or petals that are pushed by early links of a chain that interrupt later links, making the chain shorter

cyclicity

A property of chains wherein the full chain can be set off from any constituent link

DAS

Delayed auto-shift, via which the cursor quickly repeats inputs if a direction is held down for a brief period (only applicable on keyboard or controller)

digging

Focusing on clearing garbage

fuse

An extension added to a warhead, making a single long, bulky chain

GPM

Garbage per minute

head

The beginning of a chain, generally where one finds the intended trigger

link

One clear involved in a chain

lock-out

A board state from which overgrowth is inevitable, even if there are valid moves available

material

Usable petals

rescue

Winning a game from a deeply unfavorable state, such as a 2-stock deficit with lots of garbage on the board

reversibility

A property of chains where both ends of the chain can function as the head

tank & send

Accepting garbage that could have been countered in order to ensure your opponent receives garbage as well

tail

The last group(s) to be cleared within a chain

trigger

The group of petals intended to set off a chain

warhead

A short, but very bulky chain, which can become destructive when extended