[ehhh]

Is CRASH a general convention chart defense?

[TylerE]

Over what? 1NT? Strong club?

[chrism]

Most conventions that go by the name of CRASH are legal in ACBL General Convention Chart events, since (almost) any methods are permitted over conventional calls and over opening bids of 2C and higher.

Versions of CRASH over a natural 1NT opening are likely to be illegal, since at least one call in addition to double and 2C will show a 2-suiter with no known suit.

All this assumes that by CRASH you refer to a set of three overcalls that show respectively 2-suiters of the same colour, same rank or same shape, such as (over a strong 1C), Double is S+C or H+D, 1D is S+H or C+D, 1NT is S+D or H+C - there are many variations on the theme.

[helene_t]

against sstrong club: yes
again 1nt : no

[TylerE]

Of course, depending on where OP is... if it's Ontario, California and not Ontario, Canada, it is legal, at least in regional and below levels since the Calif. district has a special rider to the GCC explicitly allowing GCC+Any constructive defense to 1NT

[chrism]

The question was "is it GCC?", not "can I play it?". Whether or not it is GCC is independent of whether the original poster is from planet Earth.

[barmar]

I think his point was that "GCC-legal" means something different in California.

[jeffford76]

barmar, on 2013-July-23, 15:05, said:

I think his point was that "GCC-legal" means something different in California.

I know it's pedantic, but "GCC-legal" means the same thing in California. They run events under a rule set that is slightly different than the GCC.

[aguahombre]

There are three districts in California, and the Western Conference includes more than that; so I have no idea what Tyler is talking about, and am surprised Barry went along with it.

[Siegmund]

As already said - Crash over any conventional opening is allowed; over a natural 1NT, the 2D bid is not legal because it has no known suit, but the double and 2C meanings are allowed.

The obvious fix is to use 2D=majors 2NT=minors, along with an ambiguous X and 2C -- "Chasm" if double is red-or-black, "Scum" if double is pointed-or-round.

[helene_t]

TylerE, on 2013-July-23, 14:40, said:

the Calif. district has a special rider to the GCC explicitly allowing GCC+Any constructive defense to 1NT

does crash count as "constructive"?

[barmar]

jeffford76, on 2013-July-23, 15:30, said:

I know it's pedantic, but "GCC-legal" means the same thing in California. They run events under a rule set that is slightly different than the GCC.

But I assumed they advertise them as being run under the GCC, and the dispensation is what allows this difference; so a reference to the GCC in that part of the ACBL means something different. If they actually document that they're running their events under this "relaxed" variant of the GCC, then I take back what I said.

aguahombre, on 2013-July-23, 18:35, said:

There are three districts in California, and the Western Conference includes more than that; so I have no idea what Tyler is talking about, and am surprised Barry went along with it.

I don't have ACBL's district map memorized; California is on the opposite coast, I don't have much need to concern myself with district boundaries there. I went along with it because it sounded plausible (it's the ACBL, so anything is possible), and I saw no need to personally verify it.

[jeffford76]

barmar, on 2013-July-24, 17:16, said:

But I assumed they advertise them as being run under the GCC, and the dispensation is what allows this difference; so a reference to the GCC in that part of the ACBL means something different. If they actually document that they're running their events under this "relaxed" variant of the GCC, then I take back what I said.

I don't know what parts of California actually have liberal NT defenses. I regularly play in Oregon, where they have the same rules, and flyers contain language like this (taken from the upcoming Seaside Regional), "Mid-chart Conventions: Allowed in all stand alone Flight A/AX events and top bracket of Knockout Teams (excluding Compact KOs). Midchart defenses to the opponents’ 1NT are allowed in all events."

[blackshoe]

Advertising as GCC an event in which conventions not allowed on the GCC are permitted violates ACBL regulations. Not to mention it would smell an awful lot like fraud.

[TylerE]

See for instance:

District 20
http://web2.acbl.org.../02/1302026.pdf


D20 covers Oregon, Northern California including SF, and most of Nevada except the Las Vegas area.

[barmar]

jeffford76, on 2013-July-24, 18:35, said:

Midchart defenses to the opponents’ 1NT are allowed in all events."

OK, that's different from my initial interpretation.

[aguahombre]

Jefford was quoting the conditions of contest for certain Regional tournaments. That is a whole separate issue from any particular District being given special license. They are taking license districts already have.

The GCC is what it is. The conditions of contest state whether Mid-Chart items are permitted in some of their events. They are not changing the GCC for their tournament.

[CSGibson]

TylerE, on 2013-July-24, 20:45, said:

See for instance:

District 20
http://web2.acbl.org.../02/1302026.pdf


D20 covers Oregon, Northern California including SF, and most of Nevada except the Las Vegas area.

D20 covers Oregon, Hawaii, Guam, far northern California NOT including SF, some small part of southern washington, and Boise/Nampa Idaho. No part of Nevada is in D20 now that Reno changed districts.

[TylerE]

Apologies. The map I looked at must have been quite out of date.

[CSGibson]

I took no offense, just wanted to correct an inaccuracy, as someone who frequently gets involved in D20 bridge politics