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Detail specifications 12GA - Level 1 ★
Two-suiters
Two-suiters
A hand is a two-suiter if it contains: one suit of at least five cards and another of at least four
To describe his two-suiter, the opener must bid his second suit at level 2 (or3).
A hand is a two-suiter if it contains: one suit of at least five cards and another of at least four
To describe his two-suiter, the opener must bid his second suit at level 2 (or3).
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Problème E1212
1 spade The opener calls a second suit, not a two-suiter. The responder cannot know there are five diamonds.
1 spade The opener calls a second suit, not a two-suiter. The responder cannot know there are five diamonds.
There are three types of two-suiter:
The minimum two-suiter, non-forcing with 12-17HCP. This allows the responder to stay at the two level when returning to the opening suit.
The reverse, forcing for a round with 17HCP or more. The second suit, bid at level 2, is higher-ranking than the first. The responder is thus obliged to jump a level to return to the opening suit.
The jump reverse, game-forcing, as from about 20HCP.
The minimum two-suiter, non-forcing with 12-17HCP. This allows the responder to stay at the two level when returning to the opening suit.
The reverse, forcing for a round with 17HCP or more. The second suit, bid at level 2, is higher-ranking than the first. The responder is thus obliged to jump a level to return to the opening suit.
The jump reverse, game-forcing, as from about 20HCP.
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Problème E1195
2 clubs A minimum two-suiter. The responder can return to diamonds (the opener's first suit) at level 2
2 clubs A minimum two-suiter. The responder can return to diamonds (the opener's first suit) at level 2
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Problème E4829
2 hearts Opener's reverse. The responder will have to go to the three level to return to the opener's first suit.
2 hearts Opener's reverse. The responder will have to go to the three level to return to the opener's first suit.
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Problème E4830
1NT It's impossible to announce hearts. Two hearts would mean at least 17HCP...
1NT It's impossible to announce hearts. Two hearts would mean at least 17HCP...
FR version
1 spade The second suit bid by the opener at level 1 doesn't promise a two-suiter. He doesn't have a 5-card suit