ThinkGTO
Weekly · May 4 — May 10, 2026
Lead Story · The Field's Missing Move

When BB won't check-raise high-card flops, you should bet bigger

On A-high, K-high, and Q-high flops in single raised pots, Solver+ data shows BB check-raising the in-position c-bet around 7–15% of the time depending on sizing. In live $2/$5 and rec-heavy mobile pools, the actual rate sits closer to 1–3%. That gap rewrites every postflop sizing decision IP.

When villain almost never raises, the structural reason GTO caps your overbet at 5% disappears — and the line that prints is to use the larger sizing far more often, with wider value combos and fewer give-ups.

Strategy Spotlight

Three reasons the population leak compounds

  • Made-hand bias. Recreational BB callers reserve check-raises for two pair plus. The fringy combos with backdoor equity that the solver uses to balance? They check and fold or peel.
  • The ace bias. Players assume any in-position bet on A-high is for value, so they fold their bluff-catchers too often and never imagine raising.
  • No retaliation cost for you. The reason equilibrium caps the overbet at 5% is the threat of a check-raise putting your bluffs in a torture spot. Remove the threat and the cap relaxes — for value and for bluffs.
Hand of the Week

A♣K♣ on A♠ 7♥ 4♦ — BTN c-bets the 100bb SRP

Stakes: $2/$5 100bb cash
Action: BTN opens 2.5×, SB folds, BB calls
Pot: 5.5 BB   Flop: A♠ 7♥ 4♦
Hero (BTN): A♣K♣

BB checks 98.3% of the time. At equilibrium, BTN's response splits across check back 32.7%, bet 1.4bb (25% pot) 62.2%, bet 4.4bb (80% pot) 5.1%.

Against a population that check-raises <3% on A-high (vs the solver's 15.4% against the small bet, 7.8% against the big one), the right adjustment with A♣K♣ is to collapse those frequencies and use the 80%-pot sizing far more often. The threat that holds the small-sizing equilibrium together is gone — and top pair top kicker on a bone-dry texture wants the bigger pot when villain caps their range to calls and folds.

Frequencies decoded from Solver+ · BTN vs BB SRP, 100bb cash.

The Preflop Side · BB Defense vs BTN Open

Where this spot starts

The postflop scenario above only exists because BB defends wide vs the BTN open. Here's the equilibrium grid that produces it — every cell is real solver output.

BB defense vs BTN 2.5× open · 100bb 6-max cash
13×13 preflop range grid: each cell's color band widths show fold/call/3-bet/jam frequencies
Jam · 3-bet · Call · Fold
Cell width = action frequency.
Cell width is proportional to action frequency.
Source: GTO Ranges+ · full 169-combo solve
Drill It · Tool Tip

Make the sizing decision automatic

Reading about the exploit is one thing. Repping it until the sizing fork resolves in under a second is what closes the gap between knowing and earning. Postflop+ serves you the BTN-vs-BB SRP scenarios in the exact configurations that matter — A-high, K-high, low-board — with the GTO answer revealed after each decision. Run a 20-rep block on A-high flops with the small/large sizing fork in mind and your live-table speed jumps without you noticing.

Want the math underneath the sizing call? MDF Calculator gives you the threshold below which villain is over-folding to a given bet — useful when planning whether to push to overbets later in the hand.

This Week in Poker

What's moving in the strategy world

WSOP prep season is here. With six weeks until the 2026 series, the coaching world is shifting into prep mode — short-stack reshove charts, ICM and pay-jump theory, and live-specific exploits are dominating the published content. If you're heading to Vegas, lock in your study plan now while the spots you'll see most are still fresh.

The bubble-folding controversy. A WSOP Europe stone-bubble hand where a big stack folded to a short-stack jam set off another round of soft-play accusations — and the ICM math, predictably, says the fold was mandatory. The chips a big stack risks are worth more than the chips it can win, and that asymmetry doesn't care about table optics.

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