CO vs BTN vs SB vs BB: Complete GGPoker AoF Position Guide
In All-In or Fold, position is not about acting last after the flop — there is no flop decision. It is about how many players are left behind you and what they have already done. That single fact reshapes the range of every seat.
Key takeaways
- CO pushes ~27%: all pairs, all suited aces, A4o+, K8s+/KTo+ and good suited broadways.
- BTN pushes wider than the CO, but calls a CO push far tighter than it pushes.
- SB has the widest open range, yet calls tightly when someone is already all-in.
- BB has seven different calling ranges depending on who pushed.
CO — first to act, tightest range (~27%)
Three players can still wake up with a hand, so the CO pushes a solid range. The complete list (free in the tool):
- PUSH+ (clear, ≥0.5BB): 55+, A8s+, KQs, A9o+
- Pairs: 22+
- Aces: A2s+, A4o+
- Kings: K8s+, KTo+
- Queens: Q8s+, QJo
- Jacks: J8s+
- Suited (T-high & lower): T8s+, 98s, 87s
- Jackpot marginal: T7s, 97s–96s, 86s–85s, 74s+, 63s+, 52s+, 42s+ — PUSH only if JP EV covers the gap
- Everything else: FOLD
Typical CO mistake: pushing offsuit hands like K7o (−0.29 BB) or Q9o (−0.15 BB). See every hand on the CO chart.
BTN — two players behind
When the CO folds, one fewer player can call, so the BTN adds hands the CO has to fold: weaker offsuit aces, more suited kings and queens and more suited connectors.
BTN facing a CO push
Calling is much tighter than pushing. You need ≥45.7% equity and the SB and BB can still overcall, so only strong hands continue.
SB — heads-up with the Big Blind
Folded to the SB, only one player can call. This is the widest open range in the game, and where players are most often too tight — many hands that are clear folds from the CO become pushes here.
SB facing a push
| Spot | Equity needed |
|---|---|
| SB vs CO | ≥44.1% |
| SB vs BTN | ≥44.1% |
| SB vs CO push + BTN call | ≥30% |
The gap between how wide the SB pushes and how tight it calls is the biggest in the game — and the place where many players stay far too loose.
BB — seven different jobs
The Big Blind never opens. It calls widest against a lone SB and tightest against three all-ins. Each spot is covered in Big Blind defence: all 7 scenarios.
Position mistakes to eliminate
| Seat | Common mistake | Correct approach |
|---|---|---|
| CO | Pushing K7o, Q9o, A2o | Fold offsuit hands below the CO threshold |
| BTN | Playing CO-tight | Push wider — one fewer player can call |
| SB | Calling as wide as you push | Push wide, call tight |
| BB | One calling range for every spot | Use the range for the spot you are in |
In Pro: the exact range for this seat, hand by hand, with the chip EV of every hand and the live jackpot slider.
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