Meaning | |
---|---|
2![]() | Artificial relay to ![]() |
2![]() | Transfer to ![]() ![]() |
2![]() | Transfer to ![]() ![]() |
2![]() | Artificial, asking opener if she has a minimum or maximum. Intended as a probe for 3NT. Opener is expected to bid 2NT with a minimum (responder can pass), or ![]() |
2NT | Transfer to clubs. Responder can rebid ![]() |
Responder's rebids after the : 2
Meaning | |
---|---|
Pass | 5+ diamonds, weak. |
2![]() | 4 or 5 hearts, invitational, non-forcing. |
2![]() | 4 or 5 spades, invitational, non-forcing. |
2NT | Stayman, game-forcing. |
3![]() | 6+ clubs, invitational, non-forcing. |
3![]() | 6+ diamonds, invitational, non-forcing. |
The main benefit here is the ability to stop in /
In his book "Bid Better, Much Better After Opening 1 No-Trump", Klinger provides the following example from the 2000 Bermuda Bowl:
Opener | Responder | ||||
![]() | ![]() | ||||
![]() | ![]() | ||||
![]() | ![]() | ||||
![]() | ![]() | ||||
Opener 1NT 2 ![]() Pass |
Responder 2 ![]() 3 ![]() |
In the France vs. Norway match, both tables produced the same auction resulting in :
Opener | Responder | ||||
![]() | ![]() | ||||
![]() | ![]() | ||||
![]() | ![]() | ||||
![]() | ![]() | ||||
Opener 1NT 2 ![]() Pass |
Responder 2 ![]() 2 ![]() |
However, Keri also forces you to play an occasional 4-3 fit. Additionally, a hand that would normally start with a Jacoby transfer may wind up declaring the hand. This may wrongside the contract or at least cause a potential swing. Keri may also cost you other methods like Garbage Stayman.
After 1NT : 2, 2
: 2
...
Opener's Rebid | Meaning |
---|---|
Pass | 3-4 hearts, minimum. |
2![]() | Natural showing 2 hearts, 4 spades, minimum strength. |
2NT | 2 hearts, denies 4 spades, minimum, signoff. |
3![]() | Artificial, 4 hearts, minimum. Responder is encouraged to bid with 5 hearts. |
3![]() | Any 4-3-3-3 shape, maximum. |
3![]() | 3 hearts, maximum. Responder can bid 3NT with a 4-card suit, or 4![]() |
3![]() | Natural showing 2 hearts, 4 spades, maximum strength, game-forcing. |
3NT | 2 hearts, denies 4 spades, maximum, signoff. |
4![]() | 4 hearts, maximum, signoff. |
After 1NT : 2, 2
: 2
...
Opener's Rebid | Meaning |
---|---|
Pass | 3-4 spades, minimum. |
2NT | 2 spades, minimum, signoff. |
3![]() | Artificial, 4 spades, minimum. Responder is encouraged to bid on with 5 spades. |
3![]() | Any 4-3-3-3 shape, maximum. |
3![]() | 5 hearts, maximum, game-forcing. |
3![]() | 3 spades, maximum. Responder can bid 3NT with a 4-card suit, or 4![]() |
3NT | 2 hearts, denies 4 spades, maximum, signoff. |
4![]() | 4 spades, maximum, signoff. |
Keri was created by Australian expert Ron Klinger and described in depth in his book "Bid Better, Much Better After Opening 1 No-Trump."
echo date('Y'); ?> © Jeff Tang. All Rights Reserved.