Train your poker.
Equity · ranges · GTO — a trainer, not a casino.
Free tools
Daily poker quiz
3 real spots a day, the same for everyone. How many can you get right? Share your result.
Poker equity calculator
Your hand versus the villain’s hand or range: real win, tie and lose percentages.
Poker hand replayer
Paste a hand history and replay the hand action by action: bets, board, pot and showdown.
Poker hand analyzer
Paste your hand history and see where it went wrong: real equity for every decision and clear pot-odds mistakes.
Preflop charts by position
Opening ranges from UTG to the button plus BB defense, browsable and printable.
ICM calculator
Stacks and prizes → what each tournament stack is really worth (exact Malmuth-Harville).
Hand improvement odds
Your hand and the board → exact probability of ending with each category (flush, boat, straight…).
The 169 starting hands, ranked
Every starting hand ranked by real equity, with the position it opens from.
Bet sizing calculator
Every bet size implies two numbers: the fold equity you need and the price you offer.
Pot odds calculator
Pot and bet → minimum equity you need for a profitable call.
Poker outs calculator
Count your outs and learn your odds of improving on the turn and river.
Poker range visualizer
The interactive 13×13 grid: paint ranges, count combos and learn the notation.
And when you want to get serious
From the blog
See the whole blog
July 25, 2026
How to Analyze a Poker Hand You Lost (and Why Reviewing It Alone Isn't Enough)
Paste the hand history, the engine computes your equity and the price on every street, and you know exactly where the hand went wrong. Then comes the hard part: understanding why. That's what the coach is for.
July 16, 2026
Poker and Brain Health: The Cognitive Benefits of Playing With Your Head
Poker is a gym for the brain: it trains decision-making under uncertainty, working memory, emotional control and probabilistic thinking. What the science actually says, and how to train it without risking a cent.
July 22, 2026
Poker Bots: Why They're Cheating, How Sites Catch Them, and What You Can Actually Learn From Them
A bot that plays for you with real money isn't a shortcut, it's cheating, and sites hunt down the ones they can. Here's why it's fraud, the real techniques used to detect it, and the one thing that's genuinely worth taking from them.