Since 2/1 is derived from SAYC, unless explicitly stated in this
document, all other robot's bidding will stick to SAYC.
Bid |
Description |
1♦–2♣ | For simplicity, it is
excluded from 2/1 game forcing and sticks to the standard
SAYC. |
1♥–2♣ | 12+ HCP, 4+ cards, game
forcing. |
1♥–2♦ | 12+ HCP, 4+ cards, game
forcing. |
1♠–2♣ | 12+ HCP, 3+ cards (in the
rare case of 3-4-3-3), game forcing. |
1♠–2♦ | 12+ HCP, 4+ cards, game
forcing. |
1♠–2♥ | 12+ HCP, 5+ cards, game
forcing. |
Bid |
Description |
Raise partner suit |
12+ HCP 4+ cards; or 14+ HCP with three cards
support and a a high honour card, no rebid that is more
descriptive. |
Jump shift |
Splinter: a sound hand (14+ HCP), shortage in
suit, 4+ card support for responder. |
Non jump new suit at three level |
14+ HCP, 4+ cards; or 12+ HCP, 5+ cards. |
New suit at two level |
4+ cards if 2H, 3+ good cards if 2D` |
2NT |
12+ to 15- HCP or 18+ HCP, stoppers in both
unbid suits and usually a balanced hand (5-3-3-2). |
3NT |
15+ to 18- HCP, fast arrival not applicable. |
Jump open suit |
15+ HCP, 6+ cards with excellent quality. |
Rebid open suit |
5+ cards, no better descriptive can be made. |
Bid | Description |
Opener rebid of the original major suit or 2NT | |
Game in the opening major |
12+ to 15- HCP, 3 cards support. |
Three level in the opening major |
15+ HCP, 3 cards support, slam interest. |
Opener rebids a lower ranking suit |
|
Two level in the opening major | 12+ to 15- HCP, 3 cards support. |
Three level in the opening major | 15+ HCP, 3 cards support, slam interest. |
Game in the opening major | 12+ to 15- HCP, 3 cards support, value
concentrated in the suit of the response and in opener's
suit, deny any control either by high card or shortness in
unbid suits. |
2NT |
12+ to 15- HCP, at most 2 cards in opener's
major suit and stoppers in both unbid suit; or 18+ HCP and
plan to show greater value if a 3NT raise from opener
(3NT->4NT) |
3NT |
15 to 17 HCP, at most 2 cards in opener's
major suit |
General |
|
Rebid Own Suit |
6+ cards, deny opener's major suit support. |
New suit |
4+ cards, deny opener's major suit support. |
Notes:
Bid |
Description |
1♥–2♥,1♠–2♠ | Simple raise. 5+ to 9- HCP, 3+ cards. |
1♥–3♥,1♠–3♠ | Limit raise. 9+ to 12- HCP, 4+ cards. |
1♥–4♥,1♠–4♠ | Jump to game. 2 to 8 HCP, 5+ cards, no
support (AK) in side cards. |
1♥/♠-2NT | Jacoby 2NT. 13+ HCP, 4+ cards, game forcing. |
BId |
Description |
1♥/1♠-1NT | 5- to 12- HCP, may have 3 cards support in
opener's major suit., force 1 round. |
Bid |
Description |
Rebid same suit at two level |
12+ to 15- HCP, 6+ cards. |
Rebid same suit at three level |
15+ HCP, good 6+ cards. |
Rebid same suit at four level |
Self sufficient suit, probably 10 winning
tricks. |
Reverse (1♥-1NT-2♠) | 16+ HCP, more heart than spade, force 1
round. |
1♠-1NT-2♥ | 12 to18 HCP, 4+ cards. |
1♠-1NT-2NT | 18 to 19 HCP, 5-3-3-2 distribution. |
Jump Shift |
3+ cards, 19+ HCP, game forcing. |
Rebid a minor (1♥/♠-1NT-2♣/♦) | No other better choice, bid the lower rank
minor with 3+ cards. 12 to 18 HCP, normally 3+ cards, but
may be 2 cards in case of 4-5-2-2. When 1♥-1NT-2♣ was bid,
responder will pass only with five clubs and a shortness
in heart. |
Bid |
Description |
Support openers' major at the two level |
2+ cards. In case of 1♠-1NT-2♥, responder will take a "false
preference" and return to spades with exactly 2 spades
and 3 hearts, but can pass with three hearts and fewer
spade. |
New suit at the two level |
5+ cards. In case of 2♥,
responder may also hold a doubleton spade and looking for
the best major suit fit. |
New suit at the three level without jumping |
Good 6+ cards, little value in side card. |
Pass |
Deny any of the above, |
Bid |
Description |
Jump to the three level in opener's suit.
(After a rebid by opener at the two level in a lower ranking
suit) |
3 cards. "Bad limit raise". |
Jump to game in opener's suit. (After
opener's suit is repeated at the two level or a jump shift) |
3 cards. "Bad limit raise". |
2NT |
No more than two cards in opener's major suit
and stoppers in both unbid suits. |
Jump to the three level in a new suit |
6+ cards, good quality. |
Raise opener's rebid suit |
Deny a fit in opener major suit. 4+ cards for
hearts and 5+ cards for minor. |
1♥-1NT-2♣/♦-2♠ | Deny a stopper in spade and suggest a fit for
the minor suit of opener's rebid. |
When the opener opens with 1♣/1♦, after a response of
1♥/1♠, the
opener rebids 1NT shows a balanced hand with 12-14 HCP.
Responder bids a new minor has an invitation or better hand
(10+/11 HCP). The bid is artificial and forcing, asking opener
to describe further.
Responder
may be:
Opener will
show one of the following:
After opener first bid diamond and responder make a NMF of 2C, a
rebid of diamond deny appropriate major suits and has 5+ diamonds.
Responder holds a weak hand with 4 cards in major and 6 cards in
unbid minor suit is to jump to 3 level in that minor suit. Opener
is required to pass and the auction ends.
5.1.1D-1H-1NT-2C
Bid |
Description |
2D |
Deny 3 cards support and promise 5+ diamonds. |
2H |
12-13 HCP, 3 cards support |
2S |
deny 3 cards support or 5 diamonds or spade
stopper. |
2NT |
12-13 HCP, deny 3 hearts or 5 diamonds, has stopper in spades. |
3H |
14 HCP, 3 cards support. |
3NT |
14 HCP, deny 3 hearts or 5 diamonds, has stopper in spades. |
5.2.
1C-1S-1NT-2D
Bid |
Description |
2H |
4+ cards, may have 3 spades. Respond 2S: 11-12 HCP, 5+ cards, deny 4+ hearts. 3S: 6+ cars, slam interest. Directly jump to 3S (invitational) or 4S (game play) instead of use NMF. 3NT: 13+ HCP, 5+ spades. (Opener correct to 4S if have 3 cards support) |
2S |
12-13HCP, 3 cards support, deny 4 hearts
support |
3S |
14 HCP, 3 cards support, deny 4 hearts
support. |
5.3.
1D-1S-1NT-2C
Bid | Description |
2D |
5+ cards, deny 4 hearts or 3 spades. |
Notes: