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43AZ - Responder after 1 Clubs opening and a 1 Spadesovercall -
level 2 ★
After a 1♣ opening and a 1♠ overcall
Evaluate your hand - not only your HCP but also how your honors are positioned To bid a suit or bid a negative double, the honors need to be in your team's suits.
Jump bids of 3 and 4♥ are pre-empts with 7-8 ♥ cards and less than 10HCP
NT bids need♠ stoppers and at least 2 ♣ cards
a cue-bid denies the possibility of a natural or a negative double bid
Last but not least, if you have a great defensive hand, learn to pass so that you can defeat your Opp's contract.
S
W
N
E
1
1
Pass
K
Q
10
8
9
7
5
3
2
Q
J
6
2
Problem E5274 PASS No negative doubles without honors in the Team's suits. It's not enough to have 8HCP and 4 ♥ cards. The honor cards need to be well placed.
S
W
N
E
1
1
Pass
A
J
10
8
6
J
8
3
2
3
A
10
4
Problem E5282 PASS with this poor heart suit. Be happy that the Opp is going to play a spade contract and will lose.
Suit shifts
Need a "nice suit with at least 5 cards (incl honors) and at least 11HCP.
After an overcall at the 1 level, these bids are forcing for one bidding round.
S
W
N
E
1
1
2
A
8
A
K
Q
10
7
4
K
9
8
7
6
Problem E5275 2♥ : this is a forcing bid showing a minimum of 11HCP and a 5-carder. 3♥ or 4♥ would be pre-empts.
No fit in the major. Negative double.
Responder's negative double needs :
4 cards in the other major
a minimum point count of 7-8HCP and honors in the team's suits