What are the odds?
Real numbers for poker, blackjack, dice, Catan, Monopoly, Scrabble and tennis. Pick a game:
Wins at showdown, 5th strongest of 169 starting hands. Full calculator
Or start with a question
Pick two cards, see your real win odds at any table size.
The correct blackjack play for every hand, and why.
Optimal Yahtzee rerolls for whatever you just rolled.
Exactly 4.6% in a single turn. Here’s every other category too.
Build your settlements and see exact expected production per turn.
Jail, by a mile — see the exact odds for all 40 squares.
Every tile, its real draw odds, and what seven of them are worth.
Yes — up to 63.1% of them in a best-of-three. The exact ceiling, and why deuce lowers it.
Think you already know the odds?
Test your instincts against the real numbers. Most people are surprised by how often they’re wrong — especially about how much table size changes everything.
Browse by game
Seven games, 45 tools.
Poker
Texas Hold’em odds, hand-vs-table probability, and positional strategy
Blackjack
Exact basic strategy, bust odds, and house-edge impact by rule
Yahtzee & Dice
Exact roll odds and Yahtzee keep-or-reroll strategy
Catan
Exact resource production odds for your settlements and cities
Monopoly
Exact landing odds for every square, and which properties actually pay off
Scrabble
Exact tile-draw odds: what is in the bag, and what your rack will look like
Tennis
Exact scoring odds: deuce, tiebreaks, formats, which points matter, and winning more points but losing