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Detail specifications 61DK - Level 3 ★
Bergen Raises
Bergen raises.
There are 4 types of Bergen Raises :
There are 4 types of Bergen Raises :
- 1- 3♣ A "Constructive" raise, showing 7-10 points and exactly 4-card trump support.
- 2-3♦ A "Limit" raise, showing 10-12 points and exactly 4-card trump support.
- 3- 3 in the agreed major A "Preemptive" raise, showing 0-6 points and exactly 4-card trump support.
- 4- 3 in the unbid major An "ambiguous splinter" raise. An unbalanced, game-forcing raise promising 12+ points and 4-card trump support, with an undisclosed singleton or void. With a balanced game-forcing raise, use the Jacoby 2NT convention instead.
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Problem E40027 3♣ A "Constructive" raise, showing 7-10 points and exactly 4-card trump support.
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Problem E40029 3♥ A "Preemptive" raise, showing 0-6 points and exactly 4-card trump support
Opener's rebids after 3♣ ('Constructive raise')
The focus is to determine wether or not to play game :
1- 3 in agreed major is a sign off with a minimum hand.
2-3 in a suit lower than agreed major (3♦, or 3♥ if agreed major is ♠), is a help suit trial bid. Responder will bid 4 with values in that suit or conclude at 3 otherwise
3- A new suit above the agreed major Shows a 3rd zone hand with slam interest and a control. ... and asks Responder to show his next control, below the 4 level in the agreed major
4- 4 in agreed major is a sign off at game, with a maximum hand.
The focus is to determine wether or not to play game :
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Problem E40035 3♥ Sign off with a minimum hand
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Problem E40040 3♦ Help suit game try. Responder, with a nice ♦ support accepts the invite and bids game
Opener's rebids after 3♦ ('Limit raise')
The focus is to determine at which level the contract should be player :
1- 3 in agreed major is a sign off with a minimum hand.
2-3 ♥ (if agreed major is ♠) is a help suit trial bid. Responder will bid 4 with values in that suit or conclude at 3 otherwise
3- A new suit above the agreed major Shows a strong hand with slam interest and a control. ... and asks Responder to show his next control, below the 4 level in the agreed major
4- 4 in agreed major is a sign off at game, with a not minimum hand.
The focus is to determine at which level the contract should be player :
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Problem E40170 3♥ With a minimum regular hand, opener rebids at minimum level...
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Problem E40171 4♣ With Shows a control in ♣ and slam ambitions... and wants to know if responder has a ♦ control... leading to a smll slam final contract
Responses to 3COpener's rebids after an 'Ambiguous splinter' (1♥ -3♠ or 1PI- 3♥)
After that game forcing response, Opener can rebid :
1- 4 in agreed major is a sign off with a minimum hand.
2-Ask for the suit of the shortness (with potentiel slam interest)
After that game forcing response, Opener can rebid :
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After 1CO-3♠, 3NT asks responder to show his shortness : 4♣ for ♣, 4♦ for ♦ and 4♥ for ♠
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After 1PI-3♥, 3♠ asks responder to show his shortness : 3NT for ♣, 4♣ for ♦ and 4♦ for ♥
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Problem E40015 3♥ showing game force, a 4 card fit and a shortness. Opener relays to find out the short suit and responder shows ♦... helping Opener bid a very good slam
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Problem E40041: 3♠ showing game force, a 4 card fit and a shortness. Opener relays to find out the short suit and responder shows ♦... Not what opener was hoping for... he signs off at game.
FR version