Experiment

Blackjack Guide

A small basic-strategy helper for hobby use. Choose the dealer up-card and your first two cards, then compare the recommendation with a rough outcome simulation.

Hand setup

Choose the visible cards

Enter the dealer up-card and your first two cards, then run the guide. This tool is educational and intentionally lightweight.

Dealer's Visible Card

Your First Card

Your Second Card

Output

Guidance

Enter your hand and the dealer's visible card to see a recommendation.

Table rules

Experiment toggles

Only the dealer stands-or-hits setting currently changes the probability simulation. The other switches stay here as part of the broader experiment surface.

Dealer Stands on 17

Allow Surrender

Allow Double After Split

Multi-Card Blackjack Allowed

Dealer Peeks for Blackjack

6:5 Blackjack Payout

Allow Hitting Split Aces

Simulation

Estimated outcomes

Run the guide to see rough win, loss, and tie percentages.

Probabilities come from a simple Monte Carlo simulation, so treat them as directional rather than exact.