This is a unique competition in playing standard blackjack.
You compete with players around the World and after each game your skill level is adjusted according to the result of the match.
For skill measurment ELO rating is used, same method which is used to rate the skill level of chess players.

• Both players play with same deck
  (same order of cards)
• You have to play a minimum of 10 hands in a 3 minute timeframe
• The Ultimate Casino rules are used
  (only maximum bet is lowered to 20)

At the end of the match, you are awarded with +5 to your bankroll for each hand played (this is the BONUS).

There are 3 possible scenarios:

• both players have played the minimum number of hands
  

  - the winner is the player with the higher bankroll

• none of the players has played the minimum number of hands
  

  - the winner is the player with the higher bankroll

• only one player has not played the minimum number of hands
  

  - the winner is the player who has played the minimum number of hands (regardless of the bankrolls)

If you disconnected (have not completed the game) you get a penalty of -20 (your ELO is reduced by 20).
If the game gets suspended while playing (e.g. you get a phone call), your "suspension count" is incremented.
When the "suspension count" reaches 4, you automatically lose the challenge. To see the "Challenge result" screen (with detail information about the match), tap the eye icon.

Status

WON/LOST/TIE	the outcome of the match
DISC.	disconnected - you did not finish the match
NEW	new game result (you have not opened the "Challenge result" screen for this match)
WAITING	the game is waiting for a opponent

If you have a game in status WAITING, you can use this button to check if someone has joined your game.

Ultimate Casino rules

Minimum bet	10
Maximum bet	20
Burn cards	2
Number of decks	4
Penetration	70%
Blackjack pays	3:2
Dealer asks insurance	yes
Dealer hits on soft 17	no
Dealer hole card	yes
Dealer peeks on	ace and 10 value card
Surrender	late surrender
Doubledown on	any
Doubledown after split	yes
Splits allowed	3
Hit split aces	no
Charlie	7 card Charlie
Charlie pays	3:2