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Detail specifications 43CE - Level 2

Double after 1 NT overcall

The Responder after a 1 NT overcall
When your Opponent overcalls 1 NT, he has a balanced hand and 15-17HCP. You know immediately the respective strength of the two sides. With 9HCP and more the Responder automatically doubles showing his Partner that they have the majority of the points and is inviting him to let the Opps take the fall. The double is particularly juicy when Opps are vulernable.
SWNE
1 Pique 1 SA
X
Ace Spades
King Spades
Queen Spades
Jack Spades
9 Spades
7 Hearts
4 Hearts
Jack Clubs
10 Clubs
5 Clubs
4 Clubs
9 Diamonds
3 Diamonds
Problem 5142 Your partner has at least 12HCP. With 9HCP or more - it's your team that have the point majority. You have to double to score in your column. Here you're going to take the first 5 tricks...
 
SWNE
1 Carreau 1 SA
X Pass
10 Spades
8 Spades
4 Spades
7 Hearts
4 Hearts
2 Hearts
Ace Clubs
King Clubs
Queen Clubs
Jack Clubs
9 Clubs
7 Clubs
4 Diamonds
Problem 1035 Don't forget, that when your double is punitive on a 1 NT over call, you are going to be on lead. If Opps stay in this contract, begin the offensive play by leading the King
 
 
The follow-on bids after a 1 NT over call doubled : Opener has a regular distribution.
With a regular distribution, Opener always accepts the punitive invitation. The stronger his opening, the harder the fall !
SWNE
1 Carreau 1 SA X Pass
Pass
King Spades
Jack Spades
9 Spades
4 Spades
6 Hearts
5 Hearts
King Clubs
Queen Clubs
5 Clubs
Ace Diamonds
10 Diamonds
6 Diamonds
4 Diamonds
Problem 20206 With these 13HCP that are backed up with intermediary cards, happily leave the double and pass !
 
SWNE
1 Coeur 1 SA X Pass
Pass
Ace Spades
Jack Spades
4 Spades
Ace Hearts
Jack Hearts
10 Hearts
9 Hearts
6 Hearts
3 Hearts
Ace Clubs
3 Clubs
6 Diamonds
5 Diamonds
Problem 20207 PASS
No reason not to leave the double by bidding 2 . Thanks to your 2 aces, you can establish 4 tricks.
 
 
The follow-on bids after a 1 NT over call doubled : Opener has an irregular distribution
With a very irregular distribution, Opener prefers not to leave the punitive double, but to find a winning contract, especially if his team is vulnerable and Opps are non vulnerable.
SWNE
1 Pique 1 SA X Pass
2 Coeur
King Spades
Jack Spades
10 Spades
7 Spades
5 Spades
King Hearts
Jack Hearts
10 Hearts
7 Hearts
5 Hearts
King Clubs
5 Clubs
9 Diamonds
Problem 20202 Opener bids showing his major 2-suiter 5-5 and a limited point opening.
 
Jack Spades
3 Spades
King Hearts
4 Hearts
King Clubs
Queen Clubs
10 Clubs
9 Clubs
Jack Diamonds
8 Diamonds
6 Diamonds
5 Diamonds
2 Diamonds
SWNE
1 Coeur 1 SA X Pass
4 Coeur
King Spades
Queen Spades
10 Spades
9 Spades
Queen Hearts
Jack Hearts
10 Hearts
9 Hearts
8 Hearts
5 Hearts
3 Hearts
Ace Clubs
4 Clubs
Problem 20204 With this hand, Opener prefers to try for Game, than play defence against 1 NT
 
 
The follow-on bids after a 1 NT over call doubled : of course all double bids made by Opener's team are punitive.
SWNE
1 Carreau 1 SA X 2 Pique
X
King Spades
10 Spades
8 Spades
4 Spades
6 Hearts
5 Hearts
King Clubs
Queen Clubs
5 Clubs
Ace Diamonds
10 Diamonds
6 Diamonds
4 Diamonds
Problem 20200 With 4 rather good trump cards, don't let this opportunity pass you by : punish the Opp
 
King Spades
7 Spades
3 Spades
King Hearts
7 Hearts
3 Hearts
Queen Clubs
Jack Clubs
10 Clubs
7 Clubs
6 Clubs
7 Diamonds
4 Diamonds
SWNE
1 Carreau 1 SA X 2 Trefle
Pass
Ace Spades
8 Spades
4 Spades
Ace Hearts
9 Hearts
6 Hearts
5 Hearts
5 Clubs
Ace Diamonds
10 Diamonds
9 Diamonds
8 Diamonds
6 Diamonds
Problem 20202 Leave the bid up to your P who will double with delight as he holds Q-J-10-7-3 !