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Best of Henry Tamburin

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Always insure a good hand

24 December 2010

A friend of mine was watching me play blackjack in a Las Vegas casino. I was playing heads-up against the dealer in a double-deck game. He didn't say much to me while I was playing other than to give me an "atta boy" when I beat the dealer, or offer condolences when the dealer pulled a miracle draw to beat me.

After about forty-five minutes of playing, we broke for lunch. My friend is a typical casual blackjack player and he queried me about some of the insurance bets that I made. "How come you sometimes insured your 20s and other times you didn't, and why in hell did you insure your 7? I always thought you're supposed to insure your good hands and not your bad hands?" I proceeded to explain to him the following.

When you make the insurance bet, you are betting on the dealer's hand, not your hand. Specifically, you are betting that the dealer has a 10-value card in the hole for a blackjack. Insurance is a bad bet, I told him, but it's an even worse bet when you are holding a pair of 10s rather than a weak hand that contains no 10s. I asked him, "Can you see why?"

He still had a confused look on his face, so I continued. If your hand contains two 10s, you've taken out of play two of the very cards that you are betting that the dealer has, making the odds worse compared to your holding a hand that contained no 10s. The light bulb finally went on in his hand.

"OK," he said, "Now I understand why it's worse to insure a 20 rather than a 7 but how come you sometimes insured your 20?"

I went on to explain that the reason the insurance bet, per se, is a bad bet for non-counters is because you're getting paid 2-1 on a bet that has greater than 2-1 odds against winning. But, if you were tracking the cards as they were played, which I was, insurance becomes a profitable play when the number of 10s in the remaining unplayed decks of cards is greater than half the number of non-10s. Card-counting systems will alert you when this situation occurs, which is why the insurance bet can be profitable for card counters regardless of what hand they happen to be holding.

"Oh," he said, "So it's not whether you have a good hand like 20 that determines whether you make the insurance bet, but rather if the remaining cards are loaded with 10s. I guess I should stop insuring my good hands until I learn card counting."

I finally smiled and said, "Now you got it!"

Recent Articles
Best of Henry Tamburin
Henry Tamburin

Henry Tamburin is the author of the best-selling book, Blackjack: Take The Money and Run, editor of the Blackjack Insider e-Newsletter, and Lead Instructor for the Golden Touch Blackjack course. For a free 3-month subscription to his blackjack newsletter with full membership privileges, visit www.bjinsider.com/free. For details on the Golden Touch Blackjack course visit www.goldentouchblackjack.com or call 866/WIN-BJ21. For a free copy of his casino gambling catalog featuring over 50 products call 888/353-3234 or visit the Internet store at www.smartgaming.com.

Henry Tamburin Websites:

www.smartgaming.com

Books by Henry Tamburin:

> More Books By Henry Tamburin

Henry Tamburin
Henry Tamburin is the author of the best-selling book, Blackjack: Take The Money and Run, editor of the Blackjack Insider e-Newsletter, and Lead Instructor for the Golden Touch Blackjack course. For a free 3-month subscription to his blackjack newsletter with full membership privileges, visit www.bjinsider.com/free. For details on the Golden Touch Blackjack course visit www.goldentouchblackjack.com or call 866/WIN-BJ21. For a free copy of his casino gambling catalog featuring over 50 products call 888/353-3234 or visit the Internet store at www.smartgaming.com.

Henry Tamburin Websites:

www.smartgaming.com

Books by Henry Tamburin:

> More Books By Henry Tamburin