Bölüm 4 · Oyun

The Poker Game

Name
Speed
← Bölüm 4
Quick Raises
Game response

How to play

Texas Hold'em against 1–9 computer opponents. Everyone starts with $500. Choose the number of opponents at the start, then play hand after hand until you are bust or the last player with chips.

A hand

  1. Each player gets two private hole cards. The two players after the dealer button post the small and big blind, forced bets that start the pot.
  2. Betting round: every player calls (matches the current bet), raises (bets more) or folds (gives up the hand). If nobody has bet, calling is a check.
  3. The flop (three shared cards), the turn (a fourth) and the river (a fifth) are dealt face up, each followed by a betting round.
  4. At the showdown the best five-card hand made from a player's two hole cards and the five shared cards wins the pot.

Controls

  • Call / Check and Fold buttons below the table, or the keys C and F.
  • Quick raises: click an amount (or All In!) to raise.
  • After a hand, Go on deals the next one and Restart starts a new game; details lists what everyone bet and won.
  • Name sets your player name; Speed (1 slow – 5 fast) sets how quickly the computer players act.
  • Hover a card to enlarge it.

Hand ranking (best to worst)

HandMeaningExample
Straight flushfive in sequence, same suit9 8 7 6 5 ♥︎
Four of a kindfour of one rankQ Q Q Q
Full housethree of one rank + a pair7 7 7 K K
Flushfive of the same suitA J 8 4 3 ♠︎
Straightfive in sequence6 5 4 3 2
Three of a kindthree of one rank4 4 4
Two pairtwo different pairsJ J 3 3
One pairtwo of one rank10 10
High cardnone of the aboveA …

Why poker in a game-theory course?

Poker is a game of incomplete information: players act on private cards and must reason about the others' beliefs. Bluffing and calling bluffs are mixed strategies, and a predictable player is exploitable. Betting works as signalling, and the pot rules decide what each action is worth.

The game engine is the open-source JS/CSS Poker (jsholdem + tansey/js_poker), version 15 Jan 2024.