About ACBL Challenge

Published 
March 18, 2026
By 
Diana

What is the ACBL Challenge?

ACBL Challenge is an innovative format on BBO. It brings Challenge-style play into ACBL World, offering a new way to compete and earn ACBL Masterpoints®.

In ACBL Challenge, you play a series of 12 head-to-head challenges, each consisting of 1 board against a different opponent. In every challenge, both you and your opponents play with and against BBO’s GIBBO robots.

How does it work?

Each of the 12 challenges is scored as follows:

  • 2 points for a win
  • 1 point for a tie
  • 0 points for a loss

After all 12 challenges are complete, your results are added together to produce your final score.

That final score determines whether you earn ACBL Masterpoints®, and how many.

Important: Unlike some other challenges on BBO, ACBL Challenge is not asynchronous. Once you begin your set of 12 boards, you are expected to complete them in one session (you cannot leave mid-way and resume later). You have about 30 minutes for each bid or play, and if you log off and return, you have about 45 minutes before the challenge times out.

Where can you find it?

You can find ACBL Challenge in ACBL World and in the Challenges area on BBO.

ACBL Masterpoint® awards

You must score 12 points or higher (50%) to earn ACBL Masterpoints®. The grid below shows how many Masterpoints® you win based on your score.

Score Masterpoints® Award
18+ 0.90
17 0.72
16 0.59
15 0.47
14 0.36
13 0.25
12 0.15
0-11 0.00

Ready to give it a try? Head over to ACBL World or the Challenges area on BBO and play your first ACBL Challenge.

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