Sofia Ren
Betting & Casino Math Writer
6 guides
Sofia writes the odds track — betting odds formats, implied probability, house edge, and RTP — and the Myth vs Math pieces that test popular casino tricks against the arithmetic.
Latest guides by Sofia Ren
Keno Payout Charts Explained (3-Spot to 10-Spot)
A keno payout chart lists what every catch pays at your ticket size. Compare real 2026 pay tables from three state lotteries and Las Vegas, from $1 consolations to $100,000 jackpots.
Keno Odds: The Full Probability Table
Every keno probability, computed exactly: single-pick odds of 1 in 4, a 1 in 8,911,711 ten-spot sweep, and the full catch distribution for every ticket size from 1 to 10 spots.
The $20 Slot Method: What the Viral Trick Gets Right
The viral $20 slot method won't change your odds. Every spin keeps the same expected value. But as a loss limit, it accidentally gets one thing right.
How Betting Odds Work: Decimal, Fractional, American
Decimal, fractional, and American odds are three ways to write one price. Learn to convert them, read implied probability, and spot the bookmaker's vig.
What Are Stablecoins? USDT vs USDC for Beginners
Stablecoins are tokens pegged to a currency, usually the dollar. See how the peg works, how USDT and USDC differ, and the risks issuers rarely mention.
What Is RTP? Return to Player vs the House Edge
RTP is the long-run average a game pays back per unit wagered. See how it mirrors the house edge, where to find it, and why one session can go anywhere.