Learn and Practice This quiz was written by Oren Lidor to accompany the article 'Overcalls' Hav...

This article accompanies the quiz 'The Overcall'. An overcall is a bid of a new suit after your oppo...

Dear BBOers, have a go at this bidding problems. Your overall score will be displayed, along wi...

Learn and Practice This quiz was written by Oren Lidor to accompany the article 'Negative Doubl...

This article accompanies the quiz 'The Negative double'. In this article we'll concentrate on negati...

This quiz was written by Oren Lidor. About the Author Oren Lidor is considered one of the best ...

This quiz was written by Oren Lidor. About the Author Oren Lidor is considered one of the best ...

Learn and Practice This quiz was written by Oren Lidor to accompany the article 'The Takeout Do...

This article accompanies the quiz 'The Takeout double'. Takeout double is a bid double after opponen...

This quiz was written by Oren Lidor. About the Author Oren Lidor is considered one of the best ...

Bidding isn't everything, there's in life! This quiz accompanies the article Lose 'em all. Have a go...

This quiz was written by Oren Lidor. If you don't know the how to rebid NT as a responder, you shou...