Double Negative (0–4) or 5+!h 5–11 or most GF.

GF balanced hands with 4!s and GF unbalanced hands with primary spades transfers to spades instead of bidding 1!d.

1!h

12–14 NT.

Pass

Any 0–4 or 5+!h less than INV.

1!s

5+!h, at least mild INV.

1NT

No fit. 2!h to play, others natural.

2!c

4 card fit. 2!h mild INV, others natural.

2!d

3 card fit and max. 2!h mild INV, others natural.

2!h

3 card fit and min.

1NT

Natural GF.

2!c!d

5 card suit.

2!h!s

4 card suit.

2NT

Not any of the above. Suits up the line.

2!c!d

Natural GF, no 4+ major.

2!h!s

GF with 4 card major and longer minor. 2NT asks.

3NT

To play.

1!s

19+ with clubs or balanced GF.

1NT

12+ hcp.

2!c

Most 0–4.

Pass

Clubs “minimum”.

2!d

GF, clubs or balanced. Forces 2!h.

2!h!s

Natural with 5+!c and 4M. NF but positive.

2NT

5+!c and 4!d, INV.

3!c

Natural INV.

2!d

5–11, 5+!h. Game forcing.

2!h

3+!h.

Others

Natural, no support.

2!h!s

Natural, 0–4.

3!c

“Good” hand for clubs, 2–4.

1NT

Unbalanced GF (not primary clubs) or 20–21 NT.

2!c

Waiting.

2!d

Transfer. 5+!h 0+ hcp.

2!h

20–21 NT.

2!s

Natural GF.

2NT

GF with support.

Others

Natural, GF.

2!h

Transfer. 5+!s, 0–4.

2!s

20–21 NT.

2NT

GF with hearts.

Others

Natural GF.

2!s

0–4 with 6+ minor.

2NT

Asking.

Others

Natural GF.

2NT

12+ hcp, both minors.

3!c!d

12+ hcp, 6+ minor.

2!c

14–18.

Pass

0–4(5).

2!d

Relay.

2!h

NF with 5!h, 5–9.

2!s

F1, 5–9 with 5+!h and clubs support.

2NT

12+ with clubs support.

3!c

Weak but great clubs support.

2!d!h!s

Natural NF, about 20–23.

2NT

22–24.

1!s

GF relay.

1NT

12–14.

2!c

Natural, NF.

2!d!h

Reverse, about 16–18.

2!s

12–14.

2NT

6+!c and 3!s, 16–18.

3!c

Natural, 16–18.

3!d

Clubs and 4!s, 17+.

3!h

Transfer. Minimum or GF.

Opener can accept, which is non-forcing, or bid something else (forcing to game). If opener accepts the transfer, responder can cue bid a new suit.

3!s

INV.

New

Shortness and GF.

3!s

Clubs and 4!s, 14–16.

1NT

12–14.

2!c

5+!c, NF.

2!d

GF relay.

2!h

5+!c.

2!s

Relay.

2NT

6+!c, minimum. 3!c relays, others natural.

3!c

5!c, 4!d, max. 3!d asks shortness.

Max because 1!c–2!s is weak with both minors.

3!d

6+!c, no shortness. Max.

3!h!s

6+!c, short major. Max.

3NT

6+!d, short clubs. Max.

Others

Natural.

2!s

Balanced.

2NT

6+!d, minimum. 3!c relays, others natural.

3!c

5+!d, 4+!c, max. 3!d asks shortness.

Max because 1!c–2!s is weak with both minors.

3!d

6+!d, no shortness. Max.

3!h!s

6+!d, short major. Max.

3NT

6+!d, short clubs. Max.

2!h!s

Reverse.

2NT

Diamond reverse.

3!c

Natural.

3!d!h!s

Natural GF.

2NT

GF relay.

3!c!d

Longer minor + some shortness. Relay asks.

3!h

2-2-4-5.

3!s

2-2-5-4.

3!c!d

To play.

3!h!s

Natural GF.