Preflop range charts from RFI through the 5-bet all-in, plus a flop, turn and river postflop GTO solver. Common spots are precomputed and appear instantly, and a bluff-catch drill is included. Every action comes with the reasoning behind it — the blockers, the polarization, the why.
AA |
AKs |
A5s |
JJ |
KQs |
T9s |
98o |
72o |
How to enter the pot preflop, and how to attack and defend from flop to river. The roots of GTO, explained.
RFI, vs open (3-bet), vs 3-bet (4-bet) and vs 4-bet (5-bet / all-in), shown per position with mixed-frequency bars. Look up “BTN’s range when UTG raises” and read it straight off the grid.
A home-grown engine that solves flop, turn and river with CFR+. Presets in the style of the big commercial tools arePrecomputed, shown instantly, and you can also solve any board, range and sizing right in your browser. Exploitability under 0.2% — commercial-solver quality.
Drills on bluff-catching, raising and betting decisions. Your choice is graded against GTO expected value and the reasoning is explained. Scores are stored on your device.
It is a static site and every calculation happens in your browser. There are no server costs, so it can stay free with no signup and no paywall.
Solves run entirely on your device (WebAssembly/JS). Your hole cards and ranges are never sent to a server.
Most tools give you a number and stop. This one spells out the reason, the blockers and the polarization.
No install. Practice starts the moment the page opens.