Multiple variations of CRASH exist. After an enemy
This is the original convention as created by American experts Kit Woolsey and Steve Robinson.
Overcall | Meaning |
---|---|
Double | Strength-showing |
1 | Two suits of the same Color, i.e. + or + |
1 | Two suits of the same Rank, i.e. + (the minors) or + (the majors) |
1 | Natural, may be light |
1NT | Two suits of the same Shape, i.e. + (the rounded suits) or + (the pointed suits) |
Overcall | Meaning |
---|---|
Double | Two suits of the same Color |
1 | Two suits of the same Rank |
1 | Natural, may be light |
1 | Natural, may be light |
1NT | Two suits of the same Shape |
Overcall | Meaning |
---|---|
Double | Showing hearts |
1 | Natural, may be light |
1 | Two suits of the same Color |
1 | Two suits of the same Rank |
1NT | Two suits of the same Shape |
Overcall | Meaning |
---|---|
Double | Showing hearts |
1 | Showing spades |
1 | Two suits of the same Color |
1 | Two suits of the same Rank |
1NT | Two suits of the same Shape |
CRASH can also be used over a 1NT opening bid:
Overcall | Meaning |
---|---|
Double | For penalty by an unpassed hand. By a passed hand, shows two suits of the same Shape |
2 | Two suits of the same Color |
2 | Two suits of the same Rank |
2 | Natural |
2 | Natural |
2NT | By an unpassed hand, shows two suits of the same Shape |
CRASH vs. 1 is permitted by the ACBL General Convention Chart (GCC), but not allowed against 1NT.
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