Poker Shark
Range Advantage Analyzer
See who has the equity edge on any flop and where it comes from.
Tap cells to edit. Editing makes it custom.
Presets fill the grid; the grid is the source of truth.
Pick a flop and a matchup to see the range advantage. Tip: tap any Try a spot chip below.
Knowing the edge is half the job. Using it is the other half.
Poker Shark deals you spots like this against opponents with real, exploitable tendencies, and shows you the leak when you miss the bet.
What is range advantage?
Range advantage means one player's overall range of hands connects better with the board than the other's. On a King-high dry board, the preflop raiser usually has more Kings, more overpairs, and fewer air combos than the caller, giving them an equity edge that justifies betting at a higher frequency.
Understanding range advantage helps you decide when to c-bet, when to check, and when your opponent is likely to fold, not based on your specific hand, but based on how both ranges interact with the board texture.
How to use this tool
- Select a matchup (e.g. BTN vs BB) or build custom ranges.
- Pick three flop cards.
- Results compute automatically. Change any board card to instantly re-analyze.
- The breakdown is sorted by impact: the category that most tilts the matchup appears first.
A worked example
Take BTN vs BB on Q94 rainbow. The button arrives with all the AQ, KQ, and QJ combos plus every overpair, and the big blind folded most of those hands preflop. The tool shows a clear button edge concentrated in the top pair and overpair categories. That's a board where a small bet with the whole range makes money.
Now change the 4 to a 7 and rerun it. The big blind's 86, 65, and T8 type hands pick up pairs, straights, and draws, and the edge shrinks fast. Same preflop ranges, different board, different plan. Building that reflex is the point of the tool.
Frequently asked questions
What is range advantage in poker? +
Range advantage means one player's full range of possible hands has more equity on a given board than the other player's. It's about the whole range, not the hand you happen to hold. On a K72 rainbow flop the preflop raiser has range advantage because they arrive with more strong Kings and overpairs, while the caller's range is full of hands that missed.
What is the difference between range advantage and nut advantage? +
Range advantage is the overall equity edge. Nut advantage is about who holds more of the strongest hands on that board. They can point in different directions: on a 765 two-tone flop, the preflop raiser can keep a small equity edge while the caller holds more sets, two pairs, and made straights. When your opponent has the nut advantage, big pots get dangerous even if your range is ahead on average.
Who has range advantage on low, connected boards? +
Usually the preflop caller, especially the big blind. Boards like 654 and 763 hit the suited connectors and small pairs that call preflop, and miss the big cards that raise. This is why strong players slow down on these textures instead of firing a continuation bet by default.
How should range advantage change my c-bet strategy? +
With a clear range advantage on a dry board, you can bet small with almost your entire range, because every part of it profits. When the board favors the caller, check more often, including some strong hands, and use bigger sizes with a tighter range when you do bet. The per-category breakdown in this tool shows which hands drive the edge, which tells you whether a bet works for your whole range or just your best hands.
Is this range advantage analyzer free? +
Yes. No signup, no account, no paywall. It runs entirely in your browser.