Blackjack basic strategy: the decisions that lower the house edge
Where basic strategy came from, a full chart for infinite-deck blackjack where the dealer stands on 17, why insurance loses and why counting can't help.
Games & odds
The rules, odds and payout math behind crash, roulette, dice, plinko, mines, blackjack and case battles.
Case battles: how they work, the modes and the fairness
How CS2 case battles work: formats from 1v1 to 3v3, Classic, Crazy, Terminal and Jackpot modes, bots, the expected-value math and fairness.
Mines game odds: how the multiplier is calculated
How Mines works on a 5×5 grid: the chance of each safe pick, the multiplier formula, tables for 1 to 10 mines, and why cashing out early or late costs the same.
Plinko odds: rows, risk levels and the binomial distribution
Why a Plinko ball usually lands near the middle: exact slot chances for 8 and 16 rows, what the risk levels change, and where the game comes from.
Dice gambling odds: roll over, roll under and the payout math
How online dice works: 10,000 rolls from 0.00 to 99.99, how your target sets the chance, why the multiplier is (1 − edge) / chance, and a worked table.
CS2 roulette: T, CT and the bonus slot explained
How the 15-slot T, CT and bonus wheel works, what the 2× and 14× payouts mean for your odds, how it compares with casino roulette and how to check a round.
Crash gambling: how the multiplier works and the math behind it
How a crash round works, the chance of reaching any multiplier, instant busts, auto cash-out, and how each round's crash point can be checked.
Martingale and other betting systems: why they can't beat the house edge
Martingale, Paroli, D'Alembert, Fibonacci and Labouchère put to exact math and simulation: losing streaks, the bets they force and an edge that never moves.
House edge and RTP: what the numbers mean for casino games
Expected value, RTP and the house edge worked out for roulette, a 15-slot wheel, dice, 9/6 Jacks or Better and blackjack, and what they mean per session.