### Lesson 23 : Quiz ANSWERS

Quiz 23 - Lesson 23 - Links page

1. What is the procedure when the opponents interfere over Partner's 4NT Blackwood bid ?
DOPI = Double with 0 or 4 Aces, Pass with 1 Ace

2. What is the advantage of using Roman Key card Blackwood ?
It enables you to investigate whether partner holds the King and/or Queen of trumps

3. What is the bidding sequence when you hold 2 key cards plus the trump Queen ?
4NT (N) - 5S (S)

4. What is the bidding sequence when you hold 2 key cards without the trump Queen ?
4NT (N) - 5H (S)

5. What is the bidding sequence when you hold 1 key card plus the trump Queen ?
4NT (N) - 5D (S) - 5H (N) - 5NT (S)

6. Can you use DOPI in Roman Key card Blackwood ?
Yes. Double = 0 or 3 key cards, Pass = 1 or 4 key cards

7. What are the conditions for a cue bidding session to commence ?
When you have found a trump fit and either have reached Game, or a Game forcing situation is in place

8. How do you bid your 1st round controls ?
Up the line, showing your Ace or void, cheapest bid first

9. How do you sign off in cue bidding ?
bidding the trump suit at the nearest level

10. Do you show your trump Ace or King in cue bidding ?
No

11. What other use has the 5NT bid, other than asking for Kings in Blackwood ?
When not preceded by 4NT Blackwood, 5NT asks for the top 3 trump Honours

12. What are the possible replies to a trump Honours asking bid ?
6C = No trump Honour     6D = 1 trump Honour
6H = 2 trump Honours     6S = 3 trump Honours

13. The auction went   1S (N) - 3S (S) - 4NT (N) - You ?
You are South. What is your reply, assuming you are using RKC Blackwood, with the following hands ?

1. S - K J 7     H - A K 8 3     C - Q J 8 3     D - A 7
5C - showing 0 or 3 key cards (2 Aces + trump King)

2. S - Q J 7     H - A K 5 2    C - A J 6 5    D - 9 5
5S - showing 2 key cards plus the trump Queen

3. S - K 8 5 3     H -     C - A K J 10 5     D - K J 9 7
5H - showing 2 key cards without the trump Queen

4. S - K Q 8 4     H - J 3     C - A Q 7 4     D - Q J 10
5S - showing 2 key cards plus the trump Queen

14. The auction went   1S (N) - 3S (S) - 4NT (N) - 5C (N) - You ?
You are North. What is your reply, assuming you are using RKC Blackwood, with the following hands ?

1. S - A J 10 7 5     H - A 3     C - Q 10 8     D - K 10 7
5D - asking for the trump Queen

2. S - Q J 10 9 7 6     H - K 9     C - A K 6 5    D - K 5
6S - only 1 key card missing between both of you

3. S - K J 10 8 5 3     H - 8     C - A K J 10     D - K 7
5D - asking for the Queen, then bid 7S with and 6S without it

4. S - K Q 8 4 2     H - A     C - K 7 4     D - Q J 10 3
5NT - asking for Kings, then bid 7S with 2 Kings, 6S with less

15. The auction went   1S (N) - 3S (S) - 4D (N) - You ? (S)
You are South. What is your reply with the following hands ?

1. S - K J 7     H - A K 8 3     C - Q J 8 3     D - J 7
4H - showing 1st round control in Hearts

2. S - K Q J 7     H - K Q 5 2    C - Q J 6 5    D - K 5
5D - showing 2nd round control in Diamonds, no 1st round controls at all

3. S - K 8 5 3     H -     C - A K J 10 5     D - K J 9 7
5C - showing 1st round control in Clubs

4. S - A Q 8 4     H - K J 6 5     C - K Q 7 4     D - 7
4S - sign off in the trump suit, showing no 1st round controls.
If Partner continues show your 2nd round controls.

(Quiz 23 - Lesson 23 - Top - Links page)