The Power 1NT Opening - Review sheet 1a
(With 5-card majors)

Opening bid point ranges for Balanced hands :

Responses to the 1NT Opening bid :
1NT - 2♣ = . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1NT - 2 ♦ ♥ NT = . . . . . . . . . . . . . . . . . . . . . . . . . .

1NT - 3 ♣ ♦ ♥ = . . . . . . . . . . . . . . . . . . . . . . . . . . .

After Responder's 2♣ (Extended Stayman) :

  1. All rebids by Opener at the 2-level show . . . . . . . . . . . . . . . . . . .

    1. 2♦ = . . . . . . . . . . . . . . . . . . . . .

    2. 2♥ = . . . . . . . . . . . . . . . . . . . . .

    3. 2♠ = . . . . . . . . . . . . . . . . . . . . .

    4. 2NT* = . . . . . . . . . . . . . . . . . . .

  2. All rebids by Opener at the 3-level show. . . . . . . . . . . . . . . . . . .

    1. 3♣ =. . . . . . . . . . . . . . . . . . . . . .

    2. 3♦* = . . . . . . . . . . . . . . . . . . . . .

    3. 3♥ = . . . . . . . . . . . . . . . . . . . . . .

    4. 3♠ = . . . . . . . . . . . . . . . . . . . . . .
* After Opener's 2NT or 3♦, Responder can show . . . . . . . . . . . . . . . . . . .


After Opener's Opening of 1 in a suit, his rebid of 1NT shows . . . . . . . points.

  1. Responder's rebid of 2♣ shows . . . . . points, is Crowhurst and . . . . . . . . . . . .
    Opener shows his unbid . . . . . . . , . . . -card support for . . . . . . . . . . . . . . . . , or a . . . . . . . . . . .

    1. at the 2-level = . . . . . points

    2. 2NT = . . . . . points

    3. at the 3-level = . . . . points

  2. All Responder's other rebids show . . . . . . . . . . . . . . . . . . .and may be passed . . . . . . .