Practice
Start with the core track (first-book style). The Bidding Tips track is a step up — evaluation, balancing, help-suit tries, inverted minors, Lebensohl. AI-drafted extras stay clearly labeled at the end.
4 problems
Overcall the Five-Card Major
Choose an overcall that shows a good five-card spade suit after a minor opening.
Competitive AuctionsIntermediateMatchpointsAI-draftedStayman With an Invitation
Look for a major fit after partner’s 1NT before inviting game.
Partnership AgreementsIntermediateMatchpointsAI-draftedRaise Through Interference
Show a constructive heart raise after the opponents overcall.
Competitive AuctionsIntermediateIMPsAI-drafted1NT With Five Hearts?
Decide whether a balanced 17-count with five hearts belongs in 1NT or 1♥.
Difficult Opening DecisionsAdvancedMatchpointsAI-drafted