Open-21® Blackjack™ 開牌 21點™
​

Standard Blackjack rules unchanged other than as set out Below:
​* Tie-Hands will Push.
​* Dealer's initial two-card Blackjack-Hand are Dealt Face-up.
​* Dealer's two card 21 does not count as a Blackjack.
​* Player’s Blackjack is an Automatic-win, Pays 3 to 2.
​* Player’s 21 point is an Automatic-win, Pays 1 to 1.
​

​RULES

1. Each Player makes both a Main-bet and an Odds-Win Side-bet equal to half his Main-bet.

2. Each Player and the Dealer receives two cards (All Face-up).

3. If the Player’s two-card hand total is Even then his Odds-Win Side-bet loses; otherwise it remains in play.

4. Play continues as normal Blackjack and the Odds-Win Side-bet is resolved in the following way:
a. If the Player wins on his hand, his Odds-Win Side-bet (if any) wins 2 to 1.
b. If the Player pushes on his hand, his Odds-Win Side-bet (if any) will push.
c. If the Player loses on his hand, his Odds-Win Side-bet (if any) loses.

​* Open-21® Blackjack™ ABBIATI-Brochure: Open-21® Blackjack™

​Math Analysed at Wizard of Odds: Open21WoO.com

Patent Pending ©Stephen Au-Yeung, All right reserved.

​* Stephen variations of Power-Bet Blackjack®:
1. Top-Up®
2. Open-21®
3. No-Push®
4. Raise'em®
​5. Total-Bust®
6. Swap-Hand®
7. Second-Hand®
8. Top-Draw Blackjack®

The Top-3 Legend of New Table Games®:
Stephen Au-Yeung: Casino Hold'em® | Unlimited® Blackjack™ ​and Others.
Geoff Hall: Free-Bet Blackjack™ / Blackjack-Switch™ and ​Others.
​Derek Webb: Three Card Poker™ / 21+3™ and Others.