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Detail specifications 61JP - Level 3

DOP1

Opp overcalls after a Blackwood: DOP1
After Opp's overcall on a Blackwood bid, the response bids are changed. This is a fairly standard bidding convention:
  • D= Double = 0 ace
  • P= Pass = 1 ace
  • 1 bid up the line after the overcall (cheapest suit after overcalled suit) = 2 aces
  • 2 bids up the line after the overcall = 3 aces
If your team had already established a fit, respond bid the number of keys .
Mnemonic : DOP1
DO uble = 0
P ass = 1

SWNE
3 Coeur Pass 4 SA 5 Trefle
Pass
8 Spades
7 Spades
Ace Hearts
Jack Hearts
10 Hearts
7 Hearts
6 Hearts
5 Hearts
4 Hearts
7 Clubs
6 Clubs
Queen Diamonds
10 Diamonds
Problem 9931 PASS Showing that you have 1 ace (or 1 key if a fit had already been established).
 
SWNE
1 Coeur 1 Pique 4 Coeur
4 Pique Pass 4 SA 5 Coeur
X
Queen Spades
Jack Spades
10 Spades
7 Spades
4 Spades
8 Hearts
7 Hearts
6 Clubs
King Diamonds
10 Diamonds
9 Diamonds
5 Diamonds
4 Diamonds
Problem 9931 X showing no keys for a contract.