Overcall, Double or Pass?

Do you know when to overcall or double? And just as important — when to pass?
As South, enter your call on each hand.

Enter calls like this: P X 1H 2C 3N 4S 6D

West	North	East	South	1.  None vul
				A Q 8 6 4 A K 9 6 2 4 3 3
		1

West	North	East	South	2.  N-S vul
				A Q 8 4 J 10 8 5 3 3 A J 3
		1

West	North	East	South	3.  E-W vul
				A 2 A Q 6 2 6 5 3 K J 8 4
		1

West	North	East	South	4.  Both vul
				A Q 4 A 8 K 9 4 Q J 10 8 7
		1

Quit

Top   Overcall, Double or Pass?

West	North	East	South	5.  None vul
				K Q J 10 8 4 2 9 7 2 J 10 8
		1

West	North	East	South	6.  N-S vul
				K 10 7 A 9 3 9 3 K J 8 6 5
		1

West	North	East	South	7.  E-W vul
				A K Q J 8 3 4 3 A K 3 4 3
		1

West	North	East	South	8.  Both vul
				A K 7 2 4 3 2 A Q 9 8 6 5
		1

Quit

Top   Overcall, Double or Pass?

West	North	East	South	9.  None vul
				A K 3 8 A Q 10 7 6 Q 9 8 2
1	Pass	1

West	North	East	South	10.  N-S vul
				J 9 7 3 A 2 A K J 7 4 4 3
1	Pass	1

West	North	East	South	11.  E-W vul
				K 3 A 2 A K Q J 7 6 3 Q 4
		1

West	North	East	South	12.  Both vul
				A 8 9 7 5 A K J 8 2 A 8 2
		1

Quit

Top   Overcall, Double or Pass?

© 2012 Richard Pavlicek