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Perfect 11
Introduction
Perfect 11 is a simple blackjack side bet that win if the player gets 11 points or a blackjack in his first two cards.
This side bet should not be confused with Perfect 11's (plural).
Rules
- Standard 52-card decks are used.
- All cards are scored as in blackjack. For purposes of the side bet, aces count as 11 points.
- The side bet pays based on the player's hand only. The dealer hand does not matter.
- The pay table for the side bet is as follow:
- Suited total of 11 — 21 to 1
- Unsuited total of 11 — 10 to 1
- Blackjack — 5 to 1
Analysis
Following is my analysis for six decks. The lower right cell shows a house edge of 6.21%.
Perfect 11 Analysis — Six Decks
| Event | Pays | Combinations | Probability | Return |
|---|---|---|---|---|
| Suited 11 | 21 | 576 | 0.011872 | 0.249320 |
| Unsuited 11 | 10 | 1,728 | 0.035617 | 0.356171 |
| Blackjack | 5 | 2,304 | 0.047489 | 0.237447 |
| All other | -1 | 43,908 | 0.905021 | -0.905021 |
| Total | 48,516 | 1.000000 | -0.062083 |
The next table shows the house edge for various numbers of decks.
Perfect 11 House Edge
| Decks | House Edge |
|---|---|
| 1 | 4.68% |
| 2 | 5.60% |
| 4 | 6.06% |
| 6 | 6.21% |
| 8 | 6.28% |