About ACBL NABC Online Individual
The 2017 NABC Online Individual is a four-day, four-session Bridge Base Online (BBO) robot duplicate event, awarding ACBL Masterpoints (Red and Gold), as well as an ACBL NABC title.This event is open only to ACBL members. You need a valid ACBL Membership by July 21 and a valid ACBL number on file with BBO to be eligible. Update your ACBL number on BBO by clicking this link.
Tournament Conditions of Play:
- The tournament starts on Sunday, July 23, and ends on Wednesday, July 26, 2017
- Each session comprises 24 boards.
- Each session spans one calendar day.
- A registered player may begin their daily session at any time during the calendar day, but must complete their 24 boards within four hours of their session start time (or prior to 23:59:59 Eastern Daylight Time, whichever comes first.)
- Players must complete at least one board in a session to continue in the event.
- Players who skip a session are eliminated from the event.
- Any incomplete boards are scored as a zero.
- Every session is weighed equally for the final result with full carryover. There is no elimination between sessions.
- The event is played robot duplicate style: The player sits South, with robots at the other three seats at the table.
- The event is played best-hand style: Player always receives the hand with the most high-card points at the table or tied for the most high-card points. (Best-hand is defined solely by high-card points and does not take into account hand pattern.)
- Human player declares for his robot partner when their side wins the contract.
- Not everyone will be dealt the same boards.
- The event is scored by matchpoints. Each session is played without running scores; a provisional leaderboard is generated following each session.
- The robots used are GIB robots.
- This event utilizes Advanced Robots.
- The robots play a modified 2/1 system.
- This is a link to robot's system notes. The robots sometimes deviate from notes if simulations lead them to other conclusions.
- The robot's understanding of what a bid means can be seen by hovering over the highlighted bid.
- When it is a player's turn to bid, the player can see what robots think a bid means before making the bid by mousing over the bid in the bidding diagram (before clicking to make that bid).