Posted 2012-September-28, 22:08
http://tinyurl.com/96c9ec7
If GIB plays 2 over 2 overcalls as non forcing - that would better be added to its system explanation explicitly....Also, even if its constructive nf, I would not pass 2!h.

Yu
Yehudit Hasin
"But I don't want to go among mad people," Alice remarked.
"Oh, you can't help that," said the Cat: "we're all mad here. I'm mad. You're mad."
"How do you know I'm mad?" said Alice.
"You must be," said the Cat, "or you wouldn't have come here."