Pot odds are the ratio of the current pot to the amount you must call. If the pot is $100 and you must call $20, you are getting 5 to 1, so you break even when your hand wins at least 1 in 6 times, or about 16.7%. Call when your equity beats that threshold and fold when it doesn't.

Poker Strategy: Why Skill Wins (and the Rake)

Q: Is poker a game of skill or luck?

Both, on different timescales. Any single hand is mostly luck. Over thousands of hands the luck averages out and skill dominates, because a better player makes more profitable decisions every time chips go in. That is why poker is a skill game while roulette is not: you play other players, not a fixed house edge.

Q: What is the rake in poker?

The rake is the house's cut for hosting the game. In cash games it is a small percentage of each pot, roughly 2.5% to 5%, usually capped at a few dollars. In tournaments it is a fixed entry fee on top of the buy-in. You do not play against the rake as an opponent; it is a fee that skims the pot, so poker is profitable only when your edge over the other players is bigger than the rake.

Q: Can you make a living playing poker?

A small minority of disciplined players do, but it is a job, not easy money. The edges are thin, the variance is brutal, it demands a large bankroll and strict discipline, and the rake grinds on every pot. Using any device or software to get an edge at the table is cheating and often illegal. For almost everyone poker is entertainment with a price, not income.

By Alex Thornton · author of the MIT-licensed teachersbettextbook library · Last reviewed 24 July 2026

Every other casino game is you versus the house, and the house wrote the math. Poker is the exception: you play the other players. The house just rents the table. Skill wins over the long run, if it beats the field by more than the rake.

How to read this game: you’re not playing the house

In roulette, craps, and slots, a fixed house edge is baked into the payouts, a wall no play can climb. Poker has no wall. The chips you win come from other players’ mistakes, not a paytable. The house’s only cut is the rake: roughly $2.5\%$ to $5\%$ of each cash-game pot, capped at a few dollars, or a fixed tournament entry fee.

So poker is positive expected value when your edge over the field beats the rake:

\mathrm{EV}_{\text{poker}} = \underbrace{(\text{your edge over the field})}_{\text{skill}} - \underbrace{(\text{rake})}_{\text{the house's cut}}

The rake is the same for everyone: a fixed cost, not an opponent. The strongest player at a soft table clears it; the weakest pay for the room.

The rake: the toll you pay to sit down

A typical cash game rakes a percentage of each pot up to a cap. Say the room takes $5\%$ capped at $\$5$ :

Worked example: what the rake actually costs

\text{rake} = \min\!\big(0.05 \times \text{pot},\ \$5\big)

\$100\text{ pot} \Rightarrow \min(\$5,\ \$5) = \$5 \;\;(5.0\%)

\$300\text{ pot} \Rightarrow \min(\$15,\ \$5) = \$5 \;\;(1.7\%)

The cap is your friend in big pots, your enemy in small ones. Grinding tiny raked pots is why a marginally winning player at a tough table is a net loser. Skill has to clear this line before a dollar is yours.

The skill levers: how to win at poker

No secret: a handful of edges, applied over thousands of hands. Each is a decision the math can score.

Hand selection. Most hands aren’t worth playing. Folding weak holdings preflop is the cheapest, biggest edge, and the one amateurs skip.

Position. Acting last means seeing every move before you decide. The same hand is worth more in late position than early.

Pot odds. The core calculation. The pot offers a price; your equity is the true price. A call profits only when the offer beats the truth.^[1]

Fold equity. Two ways to win a pot: best hand, or everyone folds. Betting opens the second door; checking doesn’t.^[1]

Reading opponents. Every bet, check, and timing tell narrows an opponent’s range. Better reads mean better equity estimates for the pot-odds math below.

Worked example: pot odds

\text{Pot }\$80,\ \text{opponent bets }\$20 \Rightarrow \text{pot is now }\$100,\ \text{you call }\$20

\text{pot odds} = 100 : 20 = 5 : 1

\text{break-even equity} = \frac{1}{5 + 1} = \frac{1}{6} \approx 16.7\%

At 5 to 1 the call profits when the hand wins more than 1 time in 6. Pot odds turn “good call?” into one number to beat or miss.

Worked example: the EV of a call

\mathrm{EV}_{\text{call}} = \big(\text{equity} \times \text{pot won}\big) - \big((1 - \text{equity}) \times \text{call}\big)

\text{With } \sim\!20\% \text{ equity, calling }\$20\text{ to win }\$100:

\mathrm{EV} = 0.20 \times 100 \;-\; 0.80 \times 20 = 20 - 16 = +\$4

Your

20\%

equity beats the

16.7\%

break-even:

+\$4

on average each time the spot repeats. With only

10\%

equity the same arithmetic returns

-\$8

. Same chips, opposite sign.

Worked example: fold equity on a bluff

\text{Bet }\$50\text{ into a }\$100\text{ pot as a pure bluff (no equity when called)}

\text{break-even fold rate} = \frac{50}{50 + 100} = \frac{1}{3} \approx 33.3\%

\text{If they fold } 40\%:\quad \mathrm{EV} = 0.40 \times 100 - 0.60 \times 50 = +\$10

Risk

\$50

to win the

\$100

already in the pot. If they fold a third of the time, the bluff breaks even. Checking wins only with the best hand; betting also wins when a better hand folds.

Why the better player wins the long run

In a house game, every bet has the same negative EV and no decision changes it. In poker, each decision has its own EV, and skill is choosing the higher-EV option more often than your opponents do.

Over one hand, variance swamps everything. But variance is mean-zero: it averages toward nothing as the sample grows. Skill doesn’t average away. A $+\$4$ edge accumulates.

\text{profit} \approx \underbrace{N \times \overline{\text{edge}}}_{\text{grows with hands played}} \;+\; \underbrace{\text{variance}}_{\text{averages to zero}}

Play enough hands and the first term buries the second. Measured: at the 2010 World Series of Poker, players identified as highly skilled beforehand returned over +30% on investment while everyone else averaged about −15%.^[2] A house game is the same law of large numbers pointed the other way: the fixed edge grinds against you as $N$ grows.

The strategy, in one paragraph

Tight and aggressive. Fold most starting hands; bet and raise more than you call. Play more hands in position, fewer out of it. A call is profitable when equity beats the pot-odds break-even; a bet, when fold equity makes it so. Soft tables, because the edge is measured against your seat, not the world. And skip tiny pots where the rake eats the margin. None of it is exotic. All of it is discipline, ten thousand times.

The last lever: bankroll management. A thin edge with high variance can still bust you if one game takes too big a share of the roll. Sizing stakes to survive the swings is a Kelly criterion problem: the difference between a long-run winner and a talented player who goes broke.

Read this part: the dangers

Beatable does not mean easy money. “Easy money” is the phrase that empties bankrolls. The math is the friendly part:

The edge is thin, the variance enormous. You can play well for months and still be down. Surviving to the long run takes a large bankroll and stakes you can absorb losing.
The rake never sleeps. At a tough table where nobody makes big mistakes, the rake alone turns the game negative-sum. Your edge has to beat the field and the toll.
Most people overrate their own skill. Half of every table is below average by definition. If you can’t name why the other players are worse, the weak player is probably you.
Devices and software are cheating, and often illegal. Real-time solvers, bots, and any tool feeding you decisions at the table are prohibited and can be criminal. Skill in your head is fair. A machine in your ear is not.

Know the price before you play. In poker the price is the rake, a toll a genuinely better player can clear. The game itself is a grinding, high-variance job most people romanticize and few beat. Everything on this page is a calculation, not a nudge to sit down.

The scoreboard (long-run edge, typical)

\begin{array}{ll} \text{Poker, strong player vs.\ soft table} & \textbf{player edge}\ (\text{skill} > \text{rake}) \\ \text{Poker, break-even player} & \approx -\text{rake}\ (\text{the house's toll} ) \\ \text{Blackjack, counted (skilled)} & \approx +0.5\%\text{ to }+1.5\% \\ \text{Craps, pass line} & \approx -1.41\% \\ \text{American roulette} & \approx -5.26\% \\ \text{Slots} & \approx -3\%\text{ to }-12\% \end{array}

The only line with no fixed house edge: the sign is set by which player you are, not the paytable. Beat the field by more than the rake and you win.

The same expected-value math runs the sports side. See it on the free +EV tool, read how expected value finds an edge, or go back to the house edge, game by game.

Want more math?the Nerd Corner

Nerd Corner

Advanced material. Nothing above depends on it.

Where these numbers come from

“Poker is a skill game” is a measured result, not a slogan. Showing the work:

Sklansky, D. (1987). The Theory of Poker. Two Plus Two Publishing. The canonical treatment of pot odds, implied odds, and betting for fold equity (first published 1978 as Sklansky on Poker Theory).
Levitt, S. D. & Miles, T. J. (2014). “The Role of Skill Versus Luck in Poker: Evidence From the World Series of Poker.” Journal of Sports Economics 15(1), 31–44. The field measurement: players rated highly skilled before the 2010 WSOP returned over +30% on investment; everyone else averaged about −15%.

Frequently asked questions

Is poker a game of skill or luck?

Both, on different timescales. One hand is mostly luck; over thousands of hands luck averages out and skill dominates. You play other players, not a fixed house edge. That is why poker is beatable and roulette is not.

What is the rake in poker?

The house’s cut for hosting: roughly 2.5% to 5% of each cash-game pot, capped at a few dollars, or a fixed tournament entry fee. It is a fee, not an opponent: poker is profitable only when your edge over the other players exceeds it.

What are pot odds?

The ratio of pot to call. Pot $100, call $20: 5 to 1, so break-even is winning 1 in 6 times, about 16.7%. A call is profitable when equity beats that threshold.

Can you make a living playing poker?

A small minority do, and it is a job: thin edges, brutal variance, a large bankroll, and the rake on every pot. Devices and software at the table are cheating and often illegal. For almost everyone poker is entertainment with a price, not income.