Canary Club

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====== First Response to 1 Plain suit ======

**Responses to 1\D**

^ Response       ^ Description ^
| 1\H/1\S/2\C | Natural 5 card suit, forcing |
| 1NT            | Nondescriptive relay, unlimited and forcing |
| 2\D/3\D      | NF/GI raises |
| 2\H/2\S/3\C | GF, 6(+) card one suiter. Suit is not solid, but min. HHxxxx. |
| 2NT            | GF raise, Hxxxx min. |
| 3\H/3\S/4\C | splinter raise |
| 3NT            | no such bid |

**Responses to 1\H**

^ Response       ^ Description ^
| 1\S/2\C/2\D | Natural 5 card suit, forcing |
| 1NT            | Nondescriptive relay, unlimited and forcing |
| 2\H/3\H      | NF/GI raises |
| 2\S/3\C/3\D | GF, 6(+) card one suiter. Suit is not solid, but min. HHxxxx. |
| 2NT            | GF raise, Hxxxx min. |
| 3\S/4\C/4\D | splinter raise |
| 3NT            | minimum balanced \H raise |
| 4\H           | unbalanced preemptive raise |

**Responses to 1\S**

^ Response       ^ Description ^
| 1NT            | Nondescriptive relay, unlimited and forcing |
| 2\C/2\D      | Natural 5 card suit, forcing |
| 2\H           | Natural 5 card suit, NF(!) |
| 2\S/3\S      | NF/GI raises |
| 2NT            | GF raise, Hxxxx min. |
| 3\C/3\D      | GF, 6(+) card one suiter. Suit is not solid, but min. HHxxxx. |
| 3\H           | GI, 6(+) suit, min. HJTxxx |
| 3NT            | minimum balanced \S raise |
| 4\C/4\D/4\H | splinter raise |
| 4\S           | unbalanced preemptive raise |

====== After forcing 2/1 ======

The 2 over 1 response always shows a 5(+) card suit and 9(+) HCP. It is forcing unless responder is a passed hand. Opener will next attempt to define his own hand. He will re-bid his opened suit with a 1-suiter, or bid his second suit (which is at least as long as the first) if he has one.

===== Opener's first rebid =====

1x - 2y - ?:

^ Rebid                  ^Description ^
| ** Non-forcing **      ||
| 2x (rebid of own suit) | One-suited hand, 5.5(+) suit, no extra strength |
| 3y (simple raise of resp. suit) | 3(+) card support (may have 5(+), e.g. 1\H-2\C-3\C) |
| 3\C (new suit)        | \C Canapè, no extras |
| ** Forcing **          ||
| 2z (new suit)          | Canapè, undefined strength |
| 3z or 4\C (jump shift)| Canapè, maximum hand, 6(+) suit |
| 3x (jump rebid)        | Excellent suit (1 loser w/ singleton support), 5-6 losers |
| 2NT (over 1\H/\S-2\D)| 15-16 HCP, stoppers in unbid suits, and either a one suiter (ususally 5 cards, or a weak 6 card suit), or a \C Canapè. |
| 2NT (over other)       | 15-16 HCP, stoppers in unbid suits, one suiter (usually 5 or weak 6 card suit) |
| 3NT                    | Strong Canapè in responder's suit |
| 4y (jump raise)        | Strong Canapè in responder's suit, keycard Gerber |

Note: Over 1\H/\S - 2\D - 2NT in order to decide which handtype opener has, responder can bid 3\C with \C fit, or 3\H/\S with major fit. Over 3\C opener rebids 3\H/\S with the one suited hand, all other bid confirms the \C hand. Over responder's 3\H/\S bid opener should bid 3NT with the \C Canapè, all other bids confirm the one-suited hand.

===== Responder's second bid =====

==== Raise of second (long) suit ====

* At the 3 level : GI, support
      * E.g.: 1\S-2\C / 2\H-3\H
  * At the 4 level (w/ or w/o jump): GF (stronger than raise to game in minor)
      * E.g.: 1\S-2\D / 3\C-4\C, or 1\H-2\C / 2\D-4\D

==== Preference to first suit ====

* At the 2 level: 3(+) card support, NF
    *  E.g.  1\H-2\C / 2\D-2\H
  * At the 3 level (w/ or w/o jump):
    * If opener rebid his own suit: GI, w/ 2(+) card support
      * E.g. 1\S-2\C-2\S-3\S
    * If opener bid a new suit (w/o jump): GI, usually with 4 card support
      * E.g. 1\D-2\C / 2\S-3\D, or 1\S-2\C / 2\D-3\S
    * If opener raised responder's suit: GF, 3(+) card support (as opener has not denied 5 cards)
      * E.g. 1\H-2\D / 3\D-3\H (stronger than raise to 4\H)
    * If opener bid 2NT: GF, 3(+) card support
      * E.g. 1\H-2\C / 2NT-3\H : \H fit with opener's single \H suit, GF. Stronger than 4\H.
      * E.g. 1\H-2\D / 2NT-3\H : \H fit, if opener had the one-suited \H hand, and not \C Canapè

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