Drew Casen may want to reconsider opening 1NT with a small singleton ...
"Play a convention, system, or treatment knowing it is
illegal (CDR 3.2 and 3.7)
90 days probation and or up to 60 days Suspension*
10 Up to 50% of Disciplined Player’s total
"In order for the trump coup to operate, declarer will need to ruff 2 minor-suit cards in dummy and then take 3 rounds of hearts ending in his hand."
Why does declarer have to take the 2 ruffs in dummy before cashing the 3 hearts?
"The opponents are not playing d.d. and there is at least a live possibility that they will go wrong (most probably by ducking the second trump)."
I think you should concede the point. There is not a lively possibility that they will go wrong by ducking the 2nd ...
You argue that the "Greco" expample is not active ethics, but just common sense. I disagree. Just because you list reasons why you think it is in Greco's interest to clarify the opponents methods, does not make mean he isn't exhibiting active ethics. many players would hope ...
What about the example I gave "in the well" when playing with Greco:
I opened 1D precision, my LHO overcalled 1H. RHO alerted and explained it as crash. Greco asked her if she was sure they played this over 1D and not just over 1C. RHO then realize her error ...
I think this is only true if they discussed a strategy. My reading is that Sabine was writing about her own strategy, not something she and Roy discussed.
Once when we were down big to Chip Martel (a frequent occurance when playing Chip) he asked if we had discussed ...
In my opinion, this whole clusterf--- was caused by the WBF and it shouldn't be up to the players to resolve the matter. I applaud your efforts to "do the right thing" and also to come on BW and explain the situation even though I feel it is ...