# Studies

1. #### How Blackjack Works Index

by , 04-25-2012 at 04:35 AM (Modern Blackjack nth Edition)
It has occurred to me that a full table of contents of Chapter 15, How Blackjack Works, would be useful. This occurred to me because I go searching through the chapter myself trying to remember where I put charts. So:

How Blackjack Works 369

Basic Strategy 370
What hands do we get? 370
Single-Deck 371
What are the good Blackjack hands? 372
Single-Deck 373
What Blackjack hands get the money? 374
Single-Deck 375
What Blackjack
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2. #### Hand Length by Dealer Upcard

by , 04-25-2012 at 04:31 AM (Modern Blackjack nth Edition)
The questions seem to become more and more odd as strange bonuses and side counts abound. These charts show the percentage of hands that are 2, 3, 4, 5, 6, or 7 cards in length, but for each possible dealer upcard. Split hands are counted separately. The sims are for HiLo with full indexes, as that’s more interesting. Six decks, 78% penetration, S17, DAS, one billion rounds each. Obviously, with an upcard of five or six, the player is far more likely to stand pat with two cards. Of course, doubles
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3. #### Blackjack hands won, lost, and tied by true count and number of indexes

by , 04-25-2012 at 04:27 AM (Modern Blackjack nth Edition)
Modern Blackjack contains a chart of the overall percentages of hands won, lost, and tied and how these percentages are affected by card counting. But, an interesting question came up that I have not seen before. How are these percentages affected by the number of indexes? So, I ran three simulations with full indexes, just the Illustrious 18 indexes, and no indexes. As the effect is slight with shoes, double-deck was simulated. The Hi-Opt II strategy was selected as it has a high playing efficiency
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4. #### Dealer Upcard Manipulation II

by , 04-25-2012 at 04:24 AM (Modern Blackjack nth Edition)
This is a follow on to the Dealer Upcard Manipulation post which should be read first.

This is the opposite of the previous study. Here, if the dealer knows the next card is a ten, she will always make it the downcard and if it is not, will always make it the upcard. Each bar represents a different card.

I’ll leave conclusions to the reader.
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5. #### Dealer Upcard Manipulation

by , 04-25-2012 at 04:24 AM (Modern Blackjack nth Edition)
There are times where the dealer might see the next card out of the shoe. Suppose that the dealer decides the upcard depending on this information? For example, if the dealer knows the next card is a ten, she will always make it the upcard and if it is not, will always make it the downcard. In this case, the house edge is a miserable 3.64%. (Miserable for the player.) Below is a chart displaying the house edge for the same scenario for each possible card, assuming six decks, S17, DAS, LS, and Basic
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