About SPR:
SPR is the size of the effective stacks divided by the size of the pot. For example, if
you have 2,000 chips and your opponent has 1,500 chips, size
the effective stack is 1500 chips. If the pot is 750 chips, SPR
will be 1500/750 = 2.SPR is an expression of the ratio of risk and reward in poker, since the size of the effective
stack is the number of chips that you risk in the pot, and the pot is
The SPR is one of the most important factors in helping us make our postflop decisions. The lower the SPR, the less risk we take, so we can play with weaker
hands. The higher the SPR, the higher the risk; accordingly, you will need to play for the entire stack with strong hands. Cash is a little different.