Modern Blackjack
Betting/Risk

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Ø  All data is for REKO. But, the strategy does not make a huge difference. Better strategies can allow slightly higher betting without increasing risk.

Ø  All calculations assume optimal betting ramps, perfect play, and a \$10,000 bankroll. If you halve the bankroll, you must halve the bets.

Ø  The numbers in the cells are the minimum and maximum bet allowed. For example, if the game is 6D, S17, DAS, 5/6, the bet spread is 1-12, and the desired risk of ruin is 10%, then you can bet \$11 to \$132. Your unit size is \$11. You will note that dropping the bet in half can dramatically drop the risk.

Ø  Obviously no one is going to bet odd numbers like \$132. Numbers are provided to the dollar for accuracy, but can be rounded with little effect.

 Six-Deck & Eight-Deck Min to Max Bet Spread 1:12 Spread 1:24 10% 5% 2% .25% 10% 5% 2% .25% 6D,S17,DAS,5/6 11-132 8-96 6-72 4-48 8-192 6-144 5-120 3-72 6D,S17,DAS,4/6 6-72 5-60 4-48 2-24 5-120 4-196 3-72 2-48 6D,S17,DAS,LS,RSA,5/6 16-192 12-144 9-108 6-72 11-264 8-192 6-144 4-96 6D,S17,DAS,LS,RSA,4/6 10-120 8-96 6-72 4-48 7-168 5-120 4-96 3-72 6D,H17,DAS,5/6 9-108 7-84 5-60 3-36 7-168 5-120 4-96 3-72 6D,H17,DAS,4.5/6 6-72 5-60 4-48 2-24 5-120 4-96 3-72 2-48 8D,S17,DAS,6/8 8-96 6-72 5-60 3-36 6-144 5-120 3-72 2-48 Double-Deck Min to Max Bet Spread 1:6 Spread 1:8 10% 5% 2% .25% 10% 5% 2% .25% 2D,H17,56% 11-66 8-48 6-36 4-24 11-88 9-72 6-48 4-32 2D,H17,67% 16-96 12-72 9-54 6-36 15-120 12-96 9-72 6-48 2D,H17,DAS,56% 13-78 10-60 8-48 5-30 13-104 10-80 8-64 5-40 2D,H17,DAS,67% 18-108 14-84 11-66 7-42 17-136 13-104 10-80 7-56 Single-Deck Min to Max Bet Spread 1:3 Spread 1:4 10% 5% 2% .25% 10% 5% 2% .25% 1D,H17,3 rnds 30-90 23-69 17-51 11-33 31-124 24-96 18-72 12-48 1D,H17,DAS, 3 rnds 34-102 26-78 20-60 13-39 34-136 27-108 20-80 13-52 1D,H17,2 rnds 15-45 11-33 9-27 6-18 17-68 13-52 10-40 6-24 1D,H17,DAS, 2 rnds 20-60 15-45 12-36 8-24 21-84 16-64 12-48 8-32

Many additional charts and discussion on bankrolls and risk can be found in the “How Blackjack Works” chapter starting at page 439.

© 2009 Norman Wattenberger

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© 2009 Norman Wattenberger