Puzzles
#07
BB Defence
Intermediate
25bb effective

Four ways to defend the big blind at 25bb

One preflop decision with a middle pocket pair. Most players see two answers here and a third they would rather not think about. At 25bb the equilibrium has four — and the one that looks like panic is the one the source names for this hand.

  1. Pre-flop

Hand info

Seats
BB vs BTN
Street
Pre-flop
Pot
4.6 bb
Effective stack
25 bb
Villain raised to
2 bb
You already in
1 bb
To call
1 bb

MTT, 9-max. Blinds 0.5 / 1 with a 12.5% ante from every seat — 1.125bb of dead money before a card is dealt. Stacks are 25bb effective.

Pot4.6 BB
1
HERO ·BB
25 BB
UTG
FOLD
UTG+1
FOLD
UTG+2
FOLD
LJ
FOLD
HJ
FOLD
CO
FOLD
2
D
BTN
RAISE23 BB behind
0.5
SB
FOLD

PREFLOP · 25BB EFFECTIVE · ANTE 0.125BB

BTN OPEN

9-max table. Hero is BB with 25 big blinds effective. BTN OPEN. Hero holds 8s and 8d.

Hand history

Pre-flop

  • UTGFolds
  • UTG+1Folds
  • UTG+2Folds
  • LJFolds
  • HJFolds
  • COFolds
  • BTNRaises to 2 bb
  • SBFolds

It folds to the button, who makes it 2bb — a min-raise. The small blind folds. You are in the big blind with 8♠8♦ — a middle pocket pair — 25bb effective, and 1bb more to call into a 4.6bb pot.

What do you do?