**** New Table Games ****
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    • Contrast® Bonus-Baccarat™ Live
    • Perfect-9® Bonus-Baccarat™ Live
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    • Roulette Link-Bets® Live
    • Roulette Progressive Live
    • Master-Match® Range-Roulette® Live-Dealer
    • Roulette Times® 500x™ Live-Dealer
    • Roulette-Times® Double-Six™ RNG
    • Lucky Colour Chips® PAIR™ Live
    • Lucky Colour Chips® TRIPS® Live-Dealer
    • Game-Show Roulette TRIPS™ Live
    • Jackpot-Streets® Double-Six™ RNG
  • New Progressive Table Games
    • Raise'em® Poker-Plus™ Pro
    • Caribbean Hold'em™ Poker Pro
    • Casino Hold'em® Jumbo-7 Jackpot™
    • Casino Hold'em® Poker-Plus™
    • Casino Hold'em Progressive 5/7®
    • Block Pro® BJ-Progressive
    • Roulette-Progressive™
    • ​Perfect Trips® Roulette Progressive™
    • Baccarat Power® 8's Progressive™
    • Crazy Quad Nines® Baccarat Progressive
  • New Side-Bets
    • Double-Barrel® Bonus-Blackjack™ SB
    • Ten-20® Bonus-Blackjack™ SB
    • Perfect-11® Bonus-Blackjack™ SB
    • Picture-Perfect® Bonus-Blackjack™ SB
    • Blackjack Block Bonus® SB
    • Casino Razz® Low-Hand Bonus™ sb
    • Contrast® Bonus-Baccarat SB
    • Perfect-9® Bonus-Baccarat™ SB
    • Roulette Link-Bets® SB
    • Master-Match® Range-Roulette® SB
    • Lucky Colour Chips® PAIR™ SB
    • Lucky Colour Chips® TRIPS® SB
    • Roulette-Times® Double-Six™ SB
    • Jackpot-Streets® Double-Six™ SB
  • New Roulette Games
    • Roulette Link Bets®
    • Master-Match® Range-Roulette® RU
    • Roulette Times® Double Six™
    • Lucky Colour Chips® PAIR™ Ru
    • Lucky Colour Chips® TRIPS® Ru
    • Jackpot Streets® Double Six™
    • Flush Roulette®
    • Game-Shows Roulette TRIPS™
    • EZ-Neighbours® Roulette. RU
    • Roulette-Progressive™ RU
    • ​Perfect Trips® Roulette Progressive™ Ru
  • New Baccarat Games
    • Contrast® Bonus-Baccarat™
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  • Caribbean Hold'em™ Poker
  • Casino Hold'em® Jumbo-7™
  • Casino Razz® Low-Hand Bonus™
  • Double-Barrel® Bonus-Blackjack™
  • Ten-20® Bonus-Blackjack™
  • Perfect-11® Bonus-Blackjack™
  • Picture-Perfect® Bonus-Blackjack™
  • Blackjack Block Bonus®
  • Block Pro® Blackjack-Progressive
  • Open-21® Blackjack
  • Top-Up® Blackjack™
  • Total Bust® Blackjack™
  • Contrast® Bonus-Baccarat
  • Perfect-9® Bonus-Baccarat™
  • Lucky Draw Baccarat®
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  • Roulette Link-Bets®
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  • Roulette Progressive
  • Roulette Times® 500x™
  • Roulette-Times® Double-Six®
  • Lucky Colour Chips® TRIPS®
  • Lucky Colour Chips® PAIR™
  • Jackpot-Streets® Double-Six™
  • Casino Hold'em® 3-Card™
  • Casino Holdem® 3-Card Draw™
  • Casino Hold'em® OMAHA™
  • Casino Hold'em® Poker-Dice™
  • THE FIRST
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Open-21® Blackjack™ 開牌21點™

Standard Blackjack rules unchanged other than as set out Below:

​* Dealer's initial two cards Blackjack-Hand are Dealt Face-up.
​* Dealer's two card 21 does not count as a Blackjack, it acts as a 21 point.
​* Player’s Blackjack is an Automatic-win, Pays 3 to 2.
​* Player’s 21 point is an Automatic-win, Pays 1 to 1.
* Tie-Hands will Push.

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-Total 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.
Patent Pending ©Stephen Au-Yeung, All right reserved.
​Math Analysed at Wizard of Odds: Open21WoO.com
* Stephen's New variations of Blackjack-Games:
1. Power Bet Blackjack®
2. Top-Up®

3. Open-21®
​4. Total-Bust®
5. No-Push®
6. Raise'em®
7. Swap-Hand®
8. Second-Hand®
9. Top-Draw Blackjack®

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The Top-3 (Legend of New Table Games®):
Stephen Au-Yeung: Casino Hold'em Poker® | Unlimited® Blackjack™ ​and Others.
Geoff Hall: Free-Bet Blackjack, Blackjack-Switch and ​Others.
​Derek Webb: Three Card Poker / 21+3 and Others.
Copyright © Stephen Au-Yeung 2025, All rights Reserved.
  • Home
  • Casino Hold'em®
  • About
  • Math at Wizard of Odds:
  • Distributors & Clients
  • New Live-Deal Games
    • Casino Hold'em® Live-Dealer
    • Unlimited-21® Blackjack™ Live-Dealer
    • Double-Barrel® Bonus-Blackjack™ Live-Dealer
    • Casino Hold'em® Jumbo-7™ LIVE
    • Casino Razz® Low-Hand Bonus™ Live
    • Ten-20® Bonus-Blackjack™ LIVE
    • Perfect-11® Bonus-Blackjack™ LIVE
    • Picture-Perfect® Bonus-Blackjack™ Live
    • Blackjack Block Bonus® LIVE
    • Open-21® Blackjack Live
    • Contrast® Bonus-Baccarat™ Live
    • Perfect-9® Bonus-Baccarat™ Live
    • Roulette 18® Live
    • Roulette Link-Bets® Live
    • Roulette Progressive Live
    • Master-Match® Range-Roulette® Live-Dealer
    • Roulette Times® 500x™ Live-Dealer
    • Roulette-Times® Double-Six™ RNG
    • Lucky Colour Chips® PAIR™ Live
    • Lucky Colour Chips® TRIPS® Live-Dealer
    • Game-Show Roulette TRIPS™ Live
    • Jackpot-Streets® Double-Six™ RNG
  • New Progressive Table Games
    • Raise'em® Poker-Plus™ Pro
    • Caribbean Hold'em™ Poker Pro
    • Casino Hold'em® Jumbo-7 Jackpot™
    • Casino Hold'em® Poker-Plus™
    • Casino Hold'em Progressive 5/7®
    • Block Pro® BJ-Progressive
    • Roulette-Progressive™
    • ​Perfect Trips® Roulette Progressive™
    • Baccarat Power® 8's Progressive™
    • Crazy Quad Nines® Baccarat Progressive
  • New Side-Bets
    • Double-Barrel® Bonus-Blackjack™ SB
    • Ten-20® Bonus-Blackjack™ SB
    • Perfect-11® Bonus-Blackjack™ SB
    • Picture-Perfect® Bonus-Blackjack™ SB
    • Blackjack Block Bonus® SB
    • Casino Razz® Low-Hand Bonus™ sb
    • Contrast® Bonus-Baccarat SB
    • Perfect-9® Bonus-Baccarat™ SB
    • Roulette Link-Bets® SB
    • Master-Match® Range-Roulette® SB
    • Lucky Colour Chips® PAIR™ SB
    • Lucky Colour Chips® TRIPS® SB
    • Roulette-Times® Double-Six™ SB
    • Jackpot-Streets® Double-Six™ SB
  • New Roulette Games
    • Roulette Link Bets®
    • Master-Match® Range-Roulette® RU
    • Roulette Times® Double Six™
    • Lucky Colour Chips® PAIR™ Ru
    • Lucky Colour Chips® TRIPS® Ru
    • Jackpot Streets® Double Six™
    • Flush Roulette®
    • Game-Shows Roulette TRIPS™
    • EZ-Neighbours® Roulette. RU
    • Roulette-Progressive™ RU
    • ​Perfect Trips® Roulette Progressive™ Ru
  • New Baccarat Games
    • Contrast® Bonus-Baccarat™
    • Perfect-9® Bonus-Baccarat
    • Lucky Draw Baccarat®
  • New Chip Tricks
  • FREE-Play
  • Live Dealers Updates
  • Casinos
  • Poker Names of Fame
  • Casino Hold'em® UK
  • Casino Hold'em® EU
  • Casino Hold'em® US
  • Casino Hold'em® AISA
  • Unlimited-21® Blackjack™
  • Raise'em® Poker-Plus™
  • Casino Hold'em® Poker-Plus™
  • Caribbean Hold'em™ Poker
  • Casino Hold'em® Jumbo-7™
  • Casino Razz® Low-Hand Bonus™
  • Double-Barrel® Bonus-Blackjack™
  • Ten-20® Bonus-Blackjack™
  • Perfect-11® Bonus-Blackjack™
  • Picture-Perfect® Bonus-Blackjack™
  • Blackjack Block Bonus®
  • Block Pro® Blackjack-Progressive
  • Open-21® Blackjack
  • Top-Up® Blackjack™
  • Total Bust® Blackjack™
  • Contrast® Bonus-Baccarat
  • Perfect-9® Bonus-Baccarat™
  • Lucky Draw Baccarat®
  • Roulette-18®
  • Roulette Link-Bets®
  • Master-Match® Range-Roulette®
  • Roulette Progressive
  • Roulette Times® 500x™
  • Roulette-Times® Double-Six®
  • Lucky Colour Chips® TRIPS®
  • Lucky Colour Chips® PAIR™
  • Jackpot-Streets® Double-Six™
  • Casino Hold'em® 3-Card™
  • Casino Holdem® 3-Card Draw™
  • Casino Hold'em® OMAHA™
  • Casino Hold'em® Poker-Dice™
  • THE FIRST