By Mr. Jeff Goldsmith

Two Way Checkback, introduced by Mr. Kit Woolsey in an article in Bridge Today, uses the rebids of two of either minor by the responder after opener's 1 No Trump rebid as artificial and forcing. In the Woolsey-style, 2 puppets to 2 to play 2 or 3 or to invite game in various strains. 2 over 1 No Trump is artificial and game forcing.

Two Way Checkback is super if playing Weak No Trump, so that a 1 No Trump rebid by the opener shows extra values. With those methods, the responder will often have a game-forcing hand; indicating that at the level of 2 is quite helpful. Two Way Checkback also is nice when playing Walsh-style responses to 1 , because the responder can play 2 without fear of correction back to his short Major.

Details are below with a few interesting tinkers.

Purish means most of the high cards in the long suits. m means a minor suit; M means a Major suit; OM means the other Major suit; om means the other minor suit.

1m-1M; 1NT-?

2 = relays to 2
2 = game-forcing, asks for shape
2M = to play
2OM = if Hearts, no game interest

if Spades, 4-4, invitational, not forcing

2 NT = natural invitational *
3m = game-forcing, purish 5-5
3om = game-forcing, purish 5-5
3M = game-forcing, purish 6+
3OM = if Hearts, game-forcing, purish 5-5

if Spades, game forcing, purish 6-5

3 NT = to play

Higher bids:

4 = Gerber (RKC?)
4 = usually 6-3-3-1 with stiff, very good suit, slam interest
4M = to play
4oM = stiff, same as 4 , I guess
4 NT = natural, invitational

2 Sequences:

1m-1M; 1 NT-2 ; 2 -?

2M = 5-card suit, invitational, nonforcing
2OM = if Hearts, 5-4 or 5-5, invitational, nonforcing

if Spades, 4-5 invitational, nonforcing

2 NT = invitational, shows Clubs *
3 = to play *
3 = invitational, natural
3M = strong invite, 6+
3OM = if Hearts, strong invite, 5-5

if Spades, ?

3 NT = 5-card M, choice between 3 NT and 4M
higher bids = ?

2 Sequences:

1m-1M; 1 NT-2 ; ?


1) bid 4 of the other Major
2) bid 3 of responder's Major
3) rebid a six-bagger
4) show 2-2-4-5 or 2-2-5-4?
5) rebid 2 NT

This set of choices is due to Mr. Kit Woolsey, probably mostly intended for Weak No Trump systems; this is most likely to get the partnership to play the hand from the strong No Trump side. He claims that it does not really matter which of the first two is highest priority, and some others prefer to show 3-card support first, while others prefer to bid Hearts first.

1m-1M; 1 NT-2 ; any-?

2 = if 1M = 1 , then 2 = 6-card suit, notrumpy hand

if 1M = 1 , then 2 = ?

2 NT = * random and forcing with doubt about 3 NT? (probably 17-count)
3 any = game-forcing, notrumpy 5-5 or 6+ single suit
3 NT = to play

We play Two Way Checkback after 1 -1 ; 1 NT and 1 -1 ; 1 NT, also. All sequences are what one might expect, but here are some examples:

1 -1 ; 1 NT-2 -?

2 = good 5-card Heart suit
2 = two good Spades, say Q10 or better
2 NT = nothing special
3m = solid stopper, weak doubleton in other minor

1 -1 ; 1 NT-?

2 is how we get to 2 and 3 contracts
2 is still artificial and game-forcing
2 then 2 NT is invitational with Clubs

Note: (*) Mr. Ed Davis came up with some tinkers to this to add accuracy at the cost of memory. Here they are.

1m-1M; 1 NT-2 NT is a relay to 3
1m-1M; 1 NT-2 NT; 3 -?

pass = signoff with Clubs
3 = m support (4+,) lower stiff
3oM = m support (4+,) higher stiff
3M = 5-2-2-4 (4m, 5M,) doubletons are xx.
3 NT = 4-2-2-5 (5m, 4M,) doubletons are xx.

1m-1M; 1 NT-2 ; 2 -2 NT = natural, invitational
1m-1M; 1 NT-2 ; 2 -3 = natural, invitational


1) show Hearts
2) show Spades
3) bid 5+ card minor, good suit
4) bid 2 NT

If you wish to include this feature, or any other feature, of the game of bridge in your partnership agreement, then please make certain that the concept is understood by both partners. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. Check with the governing body and/or the bridge district and/or the bridge unit prior to the game to establish the guidelines applied. Please include the particular feature on your convention card in order that your opponents are also aware of this feature during the bidding process, since this information must be made known to them according to the Laws of Duplicate Contract Bridge. We do not always include the procedure regarding Alerts and/or Announcements, since these regulations are changed and revised during time by the governing body. It is our intention only to present the information as concisely and as accurately as possible.

Claus and Raymond


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