42krunner Posted June 19, 2013 Report Share Posted June 19, 2013 Where can I read about how to use the GIB button and how to interpret?Thanks! Quote Link to comment Share on other sites More sharing options...
barmar Posted June 19, 2013 Report Share Posted June 19, 2013 Clicking the GIB button shows the best double dummy result possible after leading each card. A green "=" means the contract will be made exactly, a number in green is overtricks, a number in red is undertricks. Quote Link to comment Share on other sites More sharing options...
Margo2017 Posted July 21, 2020 Report Share Posted July 21, 2020 Clicking the GIB button shows the best double dummy result possible after leading each card. A green "=" means the contract will be made exactly, a number in green is overtricks, a number in red is undertricks. Can someone elaborate on this more. How to read double dummy in BBO (new version). What the numbers and color mean? Quote Link to comment Share on other sites More sharing options...
barmar Posted July 21, 2020 Report Share Posted July 21, 2020 Can someone elaborate on this more. How to read double dummy in BBO (new version). What the numbers and color mean?Green means that the contract can be made with perfect double dummy play and defense. A number means that many overtricks can be made. Red means the contract can be defeated, the number is the number of undertricks that can be achieved. Quote Link to comment Share on other sites More sharing options...
mycroft Posted July 22, 2020 Report Share Posted July 22, 2020 Green means that the contract can be made with perfect double dummy play and defense. A number means that many overtricks can be made......, an equal sign means the contract makes exactly. Yes, it should be obvious. Just in case it wasn't. Quote Link to comment Share on other sites More sharing options...
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