Blackjack Statistics

Blackjack Data Repository is a collection of Online Blackjack statistics and probabilities culled from simulations and arranged in tables. Calculators and Blackjack charts are also included along with online blackjack rules and the basic strategy tables. It was decided that the Web should be used to publish this data as it would have taken a book twelve feet thick. These tables and charts are designed to answer the many esoteric Blackjack questions that arise from time to time. Questions related to hand depth; count, hand, split & win/loss Blackjack percentages, hand worth and frequencies, consecutive losing hours, action, effect of rules on various stats, bankroll excursions, and the like. We also have a section on blackjack card counting and will teach you methods of gaining the advantage back from the house.

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Blackjack Repository Contents

37,856 pages of Blackjack tables (click on Tables button at the left)
31,050 charts (click on Charts button at the left.)
Blackjack Calculators are available by clicking on the Calculators button. These calculators use thousands of separate Blackjack simulations online.
~15,500,000 Blackjack statistics
320,000,000,000 rounds of play were simulated for the tables and charts
2,400,000,000,000 rounds of play were simulated for the calculators

Blackjack Simulator Details

The following details apply to the tables and charts - not the calculators. Links to additional details can be found at the bottom of each table and chart.

Multi-Deck (2, 6 and 8 decks)
- 500,000,000 Blackjack rounds per sim
- Full card counting indexes as published
- Five players, players rotate seats to remove the seat effect
- 2 units at +2, 4 units at +3, 6 units at +4, 8 units at +5 except for Red Seven which bets 2, 4, 6 & 8 units at +13, +15, +17 & +19
- Cover betting simulations do not allow bet increases or decreases over two units, no bet changes after a push, no increase after a loss and no decrease after a win.
Single-Deck Blackjack
- 125,000,000 Blackjack rounds per sim
- Full card counting indexes
- Three players for Zen, Red7 & AOII, Two players for Hi-Opt I & Hi-Lo, players rotate seats to remove the seat effect
- 2 units at +1, 4 units at +2
- Cover betting sims do not allow bet increases or decreases over two units, no bet changes after a push, no increase after a loss and no decrease after a win. Bet change to one unit is allowed after a shuffle.

Inside Blackjack Statistics

Disclaimers

It is certainly possible that an error may exist among the billions of stats in the repository. However, extensive testing has found none. If you find any, please contact Comments.
Don't feel over-confident by the positive results in these sims. Beating the casinos at Blackjack is a difficult proposition. Card counting is not that hard to learn. But, one must consider inefficiencies associated with cover betting, errors and lack of discipline as well as risk of ruin. Cover sims have been included in the BJDR. Error sims will be added if significant interest develops.
Additional card counting statistics of Blackjack can be generated at Qfit.com.

Additional Resources:

Online Casino - Gamblecraft Online Casino Guide offers casino reviews of top rated blackjack casinos.

Blackjack Info - Popular blackjack site provides accurate information that is easy to understand.

BJ 21 Software - Practice and refine your play at home before you risk your money

CVCX Online - A new site with 22,000 charts, millions of Blackjack tables, and a dozen Blackjack calculators.