Law 70D2 said:
The Director does not accept any part of a defenders claim that depends on his partners selecting a particular play from among alternative normal plays.
I found this interesting, especially as I could have made more than one defensive claim before now (but generally don't to avoid problems). So...
4H, South (on lead) needs the rest
East-West were not regular players at Ahydra's Imaginary BC, and indeed had only been playing the game a short while. South liked his ♣AKJ109 and drove to an ambitious 4H. During the play he finessed clubs and East made an encouraging signal (he had 6 of them, after all). South found himself on lead in the diagrammed position needing the remainder of the tricks. He led the H3 and West claimed, saying "One trick to us - partner has the club queen". Declarer, very familiar with the Laws, immediately seized his chance. He summoned the Director and tried to persuade her to rule the contract made, quoting Law 70D2 and this accompanying footnote:
Quote
For the purposes of Laws 70 and 71, normal includes play that would be careless or inferior for the class of player involved.
His contention was that to throw the CQ on the trump is an inferior play that a beginner might make, and is hence "normal" under Law 70D2. East promptly exclaimed "You can't be serious... I may be a beginner, but even beginners know to throw away low cards before high ones". The TD stepped in to prevent a fracas of lamford-story-proportions, and ruled... how?
ahydra