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Stack depth and ICM

Short stacks, push/fold, and what pay jumps do to a range.

Stack depth is the variable that changes preflop strategy most violently. At 100bb you are playing a full tree with postflop still ahead of you. By 10bb the tree has collapsed to all-in or fold and the correct play is a solved table you can memorize. These pieces cover the transition, the spots on either side of it, and what happens when chips stop being worth their face value near a pay jump.

Stack depth and ICM

20bb Tournament Ranges: Shove or Min-Raise

At 20bb the solve keeps two trees: the 2bb min-raise and the open-shove. What each line buys, which hands take which, and how 25bb and 15bb neighbors differ.

Stack depth and ICM

Short-Stack Push/Fold Charts (10 to 15bb)

Push/fold charts turn 10bb to 15bb poker into solved decisions. What the charts are, why the regime exists, both sides of the jam, and the costliest leaks.

Stack depth and ICM

ICM and Preflop Ranges Near the Bubble

Near a pay jump, chips are not worth their face value. Learn why chip-EV opens overplay under ICM pressure and how survival tightens your ranges.

Stack depth and ICM

Short-Stack Poker: the Math of 10bb to 20bb

The 10bb to 20bb zone is where tournaments are won and lost. Learn how postflop play shrinks and when the tree collapses to all-in-or-fold.