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 · listed core first, then Bidding Tips, then AI
The Overcall Took Your Bid
Find the call that shows four hearts and opening values after a 1♠ overcall.
Competitive AuctionsIntermediateMatchpointsReopen in the Pass-Out Seat
Balance after 1♥ — Pass — Pass with a takeout double, not a timid pass.
Competitive AuctionsAdvancedMatchpointsBidding TipsOvercall the Five-Card Major
Choose an overcall that shows a good five-card spade suit after a minor opening.
Competitive AuctionsIntermediateMatchpointsAI-draftedRaise Through Interference
Show a constructive heart raise after the opponents overcall.
Competitive AuctionsIntermediateIMPsAI-drafted