Main   Exercise 4B29 by Richard Pavlicek  

What’s the Chance?


As declarer, with adequate entries to either hand, answer each question about the spade suit in the contract shown. Played cards, if any, are underlined (lead is bold underlined).

1. 3 NT, North leads

4 3
Table6
A K J 10

What is percent chance to win four tricks? _____

Will you win ace first? _____

2. 3 NT, South leads

K 10 9
5Table
4 3 2

What is percent chance to win one trick? _____

Will you finesse 10-9? _____

3. 3 NT, N-S leads

J 3
Table
A K 4 2

What is percent chance to win three tricks? _____

Which card do you lead? _____

4. 3 NT, N-S leads

10 9
Table
A K 5 4 3 2

What is percent chance to win six tricks? _____

to win five tricks? _____ TopMain

5. 3 NT, N-S leads

K 6
Table
A 5 4 3 2

What is percent chance to win four tricks? _____

at least three tricks? _____

6. 3 NT, South leads

A Q 4 3 2
7Table
5

What is percent chance to win three tricks? _____

at least two tricks? _____

7. 3 NT, South leads

Q 3 2
Table
A 6 5 4

What is percent chance to win three tricks? _____

at least two tricks? _____

8. 3 NT, South leads

Q 9 8 5 4
6Table
A 3 2

Will you finesse nine if East drops 10? _____

if East drops jack? _____ TopMain

9. 4 S, North leads

3 2
Table
A 9 8 7 6 5 4

What is percent chance to win six tricks? _____

at least five tricks? _____

10. 4 S, N-S leads

K 10 8 7 6
Table
Q 5 4 3 2

What is percent chance to win four tricks? _____

Which card do you lead? _____

11. 4 S, North leads

A 3 2
Table8
K 10 7 6 5 4

Will you finesse 10 if West drops jack? _____

if West drops queen? _____

12. 4 S, North leads

A 2
10Table5
K Q 9 8 4 3

Could West have 3 cards when his 10 drops? _____

Will you finesse nine? _____ TopMain

Answers

 1.50
No
 2.75
Yes
 3.50
2
 4.0
68
 5.36
84
 6.31
81
 7.18
68
 8.Yes
Yes
 9.41
91
10.89
6
11.Yes
Yes
12.Yes
No
TopMain

© 2013 Richard Pavlicek