shevek, on 2017-March-29, 02:15, said:
From "Swings and Arrows"
The Hog plays 7
♦x on
♣K lead.
He wins and leads
♥6, which West ruffs with
♦7-
♥5-
♥4.
East asks "Having no hearts?" and the trick is replayed:
♥6-2-5-4.
Declarer ends up with 13 tricks because West has to under-ruff the third heart.
Law 62C.2 says
"After a non-offender so withdraws a card, the player of the offending side next in rotation may withdraw his played card, which becomes a penalty card if the player is a defender ..."
I assumed this applies to subsequent tricks, that East was allowed to to win
♥J then be obliged to return
♥4.
Am I wrong here?
Once attention was called to the unestablished revoke West had to follow suit with one of his hearts and the
♦7 became a major penalty card.
Declarer now had the option to change his play from Dummy, and if he had done so then East would have had the option to replace his play of the
♥4 With his
♥J.
However, as no change of play from Dummy was made East was not allowed to change his play to this trick.
Consequently South wins his contrat exactly as described.
shevek, on 2017-March-29, 02:15, said:
I am guessing this is one of the Laws that was changed. When?
East (in this case) has never been allowed to win the trick with his
♥J and then play his
♥4.
The relevant Law was changed in 1987 giving East the option to change his play of the
♥4, but only after a change of the play from Dummy.
Edit: And just to avoid any possibility of a misunderstanding (which I have noticed during my experience):
When a player has a major penalty card he may never win a trick with a card from his hand if he can legally play his penalty card to that trick.