About the monthly Country vs Country Championship

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This is a monthly event, taking place at the beginning of each month. You have three days to play 32 boards, any time from the 1st Monday of each month, until Wednesday. Each player represents their country. The championship is open 72 hours.


Format

  • The tournament lasts 72 hours, from the 1st Monday of each month, until Wednesday. You can play at any time during those three day. You can stop playing and resume later. You can play all your 32 boards in a single day, if you prefer, or split them over the 3 days of the championship, at your own pace.
  • The tournament can be played starting from 00.00 (midnight) New York Time on the 1st Monday of the month, until 23.59 New York Time on Wednesday (it is open for 72 hours).
  • Your IP address determines which country you represent.
  • Each country's score is obtained as an average of the top 20 scores from that country + overall country average.
  • If your country doesn't have at least 20 players, you'll be representing Team World.
  • Entry fee is 0.10 BB$
  • 32 boards, Matchpoints scoring, random hands.
  • BBO points and BB$ prizes awarded to the top finishers.

Prizes

  • BBO points awarded to top finishers.
  • BB$ prizes awarded to top 50 winners.
  • Grand prize is 100 BB$.
  • Players who join with multiple aliases are disqualified.

How does this work?
Each table consists of a single human player, sitting South, and three robot players sitting in the other three seats. You can play your hands at any time from Monday until Wednesday, over a 72 hours time span.

If you need to take a break, you can stop, and resume as many times as you need during the 3 days of the championship. You have 32 boards to complete, so be careful not to start playing them too late, otherwise you won't have time to finish.

Results
Results will be sent to your BBO Mailbox when the tournament ends (on Thursday morning). You can view a "provisional result" as soon as you finish playing your boards, or by clicking the Completed tournaments link, in the list of tournaments. Final results will be available in Recent Tournaments, in the History tab, once the tournament is completed.

Human Declares
The human player is switched into the North (Robot) seat whenever North is the declarer. The human player then declares the hand. When the hand is over, the human is switched back to his original seat.

Deal Pool
For every board in a Daylong tournament, we deal multiple instances. (ie Not everyone gets the same board 1, board 2, etc.) This is an anti cheating measure.

About the robots
The robots used on BBO are called GIB (Ginsberg's Intelligent Bridgeplayer). You can find out more about GIB's bidding system by clicking here.

The GIBs used in BBO play a relatively simple and natural 2/1 bidding system. You can find out the meaning of any bid by clicking on that bid as it appears in the bidding diagram. Furthermore, when it is your turn to bid, moving your mouse over the buttons for the various possible bids will cause an explanation of the bid you are considering (as your GIB partner will understand it) to be displayed. These explanations can be somewhat cryptic, but reading them carefully before you bid will help you to avoid misunderstandings with your GIB partner.

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