Standard PPL is a bit restrictive: betsizes, stacksizes and potsizes may appear only on the left or on the right side of comparison operators --- please don’t ask us about the exact rules, we forgot them. In OpenPPL you can put them anywhere you like.

It’s up to you, what and how you code.

Name	Meaning	Limitations
AmountToCall	The amount to call, counted in bigblinds	None
BetSize	The number of big blinds bet by the last aggressor	None
BigBlindSize	The size of the bigblind, usually in dollars	None
MaxStacksizeOfActiveOpponents	The biggest stack size (expressed in bblind and not dollars) of all opponents currently playing the hand.	Could be bigger than your balance. Use EffectiveMaxStacksizeOfActiveOpponents to know exactly the balance at risk.
EffectiveMaxStacksizeOfActiveOpponents	The biggest effective stack size (expressed in bblind and not dollars) of all opponents currently playing the hand.	You some opponents have more chips/money than you the symbol will return the amout of your balance to reflect how much bot is risking in a specified hand.
MaxOpponentStackSize	The biggest stack of all opponents (playing and not playing). measured in big blinds at the beginning of the hand	None Depends on game-history (game-state on your first action)
MaxStillToActStackSize	The number of big blinds in the stack of the opponent with the largest stack who has not acted yet	First action preflop only
MinOpponentStackSize	The smallest stack of all opponents. (playing and not playing) measured in big blinds at the beginning of the hand	None Depends on game-history (game-state on your first action)
MinStillToActStackSize	The biggest stack of the opponents behind you (including SB and BB), measured in big blinds	First action preflop only
OpponentStacksizeHeadsUp	Stack size of opponent when headsup. Please read Limitations	OpponentStacksizeHeadsUp return -1 when not valid. When using this symbol you have to check if the result is > -1 and then make your comparison.
PotSize	The current pot, including all players bets, counted in big blinds. PotSize returns effective pot size you are participating in.	None
StackSize	Our current balance, counted in big blinds	None
StackSizeAtBeginningOfCurrentRound	Our Stack Size at the beginning of current betting round (StackSize + TotalInvestedThisRound)	Valid on every betting round
StackUnknown	Returns true if the userchair is unknown, false otherwise. Introduced for compatibility with Shanky-PPL
StartingChips	Our balance at the start of a session, counted in “dollars” This symbol is especially meant for MTTs.	None.
StartingStackSize	Our balance at the start of a session, counted in big blinds	None Depends on game-history (game-state on your first action)
TotalInvested	The money put into the pot in this hand, counted in big blinds	None
TotalInvestedThisRound	Amount Invested in current betting round	None