SPR is the effective stack divided by the pot at the beginning of the flop. A low SPR (under 3) favours getting all-in with overpairs and strong top pair; a high SPR (above 10) demands caution and rewards implied-odds hands like sets and draws.
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SPR (Stack-to-Pot Ratio) is the effective stack divided by the pot size on the flop. Example: the pot is 10 big blinds and the shortest stack still in the hand has 40 big blinds behind, so SPR = 40 ÷ 10 = 4. It tells you how many pot-sized bets are left before someone is all-in, which shapes how committed you are with a given hand.
A low SPR (high pot relative to stacks) makes one-pair hands such as top pair easier to play for all the chips, because there is little room left to be outplayed. A high SPR ("high spr" spots, deep stacks relative to the pot) rewards hands that can make strong combinations — sets, straights, flushes — and punishes over-committing with a single pair. Planning the SPR before the flop, through your preflop raise size, lets you steer toward situations your hand plays well in. Exact thresholds depend on ranges, position and opponents.
The common mistake is deciding how far to go with a hand without looking at stack depth: stacking off with top pair in a deep, high-SPR pot, or folding an overpair in a low-SPR pot where the money is effectively already committed.
פוט 20, סטאק אפקטיבי 60 → SPR = 3.
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