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The check-raise is the essential tool for seizing initiative from out of position. We cover value, semi-bluffs, and optimal frequencies.
When you're OOP (out of position), you always have to act first. If you bet, the opponent gets to raise or call with full information; if you check, the opponent bets and takes the pot.
The check-raise is the only tool that flips this disadvantageous dynamic.
| C-Bet Size | Check-Raise Frequency | Reason |
|---|---|---|
| 33% pot | ≈12% | Small bet → check-raise more often |
| 66% pot | ≈9% | Larger bet → be more selective |
| 100% pot | ≈6% | Against overbets, check-raise only very strong hands |
7♠5♥3♦ = low board — favors BB's range
Hero: set of 7s → near-nut hand
Check-raise size: ≈3–3.5x the c-bet
Goal: extract value from opponent's overpairs (TT–AA) and top pair
Value Check-Raise Hands:
If you only check-raise for value, your range becomes too strong and the opponent folds easily. You must mix in bluffs for balance.
9♥8♥ = flush draw (9 outs, ≈36% by river, ≈19% on turn alone)
Fold equity: if Villain folds, you win the pot immediately
If called: ≈19% to hit on turn + remaining equity → bluff opportunity if you miss
If raised: call or fold depending on stack depth and opponent's sizing
Semi-Bluff Check-Raise Hands:
Default: 3–3.5x the c-bet
| C-Bet Size | Check-Raise Size | Example |
|---|---|---|
| 33% (4bb into 12bb) | 3–3.5x → 12–14bb | Standard |
| 66% (8bb into 12bb) | 3–3.5x → 24–28bb | Creates a larger pot |
On wet boards, size up (give draws bad odds). On dry boards, smaller is fine (no protection needed).
Check-Raise Decision Checklist
Source: GTO Wizard Blog, Upswing Poker
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