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Check Back Stay Man

Checkback Stayman is a convention used after an opening bid of one minor suit followed by a response in a major suit, where the opener then jumps to 2NT. The responder can then bid 3♣ to ask the opener about their four-card major suit holdings or three-card support for the responder's originally bid major suit. The opener's responses to 3♣ indicate whether they have support for the responder's suit, a four-card other major, both, or neither. This allows the partnership to better determine the four-four major suit fits that might be available at the four-level. Examples are given where checkback Stayman finds a heart or spade fit that is safer than 3NT without this

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998 views2 pages

Check Back Stay Man

Checkback Stayman is a convention used after an opening bid of one minor suit followed by a response in a major suit, where the opener then jumps to 2NT. The responder can then bid 3♣ to ask the opener about their four-card major suit holdings or three-card support for the responder's originally bid major suit. The opener's responses to 3♣ indicate whether they have support for the responder's suit, a four-card other major, both, or neither. This allows the partnership to better determine the four-four major suit fits that might be available at the four-level. Examples are given where checkback Stayman finds a heart or spade fit that is safer than 3NT without this

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arunk6
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Checkback Stayman

by Barbara Seagram

Checkback Stayman is a nifty convention which is used most commonly after an opening bid of one of a minor
and then a one of a major response with the opening bidder then jumping to 2 NT.

1 ♦ - 1♥

2 NT - 3♣ by responder is now checkback stayman

Why are we doing this??

The opening bidder may also have a four card other major suit OR may have 3 card support for the responder’s
5 card major.

Let’s have a look at above auction again:

1 ♦ - 1♥
2 NT - 3♣

Responses to 3 ♣ are as follows:

3♦ says: I do not have 3 card support for your major suit (♥) nor do I have 4 cards in the other major (♠).
3♥ says: I have 3 card support for your ♥ heart suit but I do NOT have 4 spades.
3♠ says: I have a 4 card ♠ suit but do not have 3 card support for your ♥ suit.
3 NT says: I have both 3 card support for ♥’s and also a four card ♠ suit.

Now let’s check out the other major suit situation:

1 ♦ - 1♠
2 NT - 3♣

Responses to 3♣ are as follows:

3♦ says: I do not have 3 card support for your major suit nor do I have 4 cards in the other major.
3♠ says: I have 3 card support for your ♠ heart suit but I do NOT have 4 hearts.
3♥ says: I have a 4 card ♥ suit but do not have 3 card support for your ♠ suit.
3 NT says: I have both 3 card support for ♠’s and also a four card ♥ suit.

The only time you would ever use this convention is if you have 4-4 in the majors or you have 4-5 in the
majors or you have one five card major.

The responder now places the contract, equipped with more information about opener’s hand.
Let’s look at two situations in which it would be useful to be playing Checkback Stayman:

♠ K543
♥ KQ87
♦ Q76
♣ 42

♠ AQ76
♥ J106
♦ AK83
♣ A5

South opens

South North
1♦ 1♥
2NT 3♣* (Checkback Stayman)
3♠ 4♠

Note that if NS was not playing Checkback Stayman, North would have now bid 3NT after South’s jump to 2
NT. If the opening lead was a ♣, then South would never be able to make 3NT. He would have to drive out
the ♥A and then EW would be able to cash 4 cx tricks quickly. 4♠ is an easy contract.

Let’s look at one more example:

♠ AQ742
♥ 32
♦ 765
♣ Q43

♠ K65
♥ AQ7
♦ Q32
♣ AKJ2

South North
1♣ 1♠
2NT 3♣* (Checkback Stayman)
3♠ 4♠

North can easily make 4♠ but 3NT by South is doomed on a ♦ opening lead by West.

Checkback Stayman is alertable as are all the responses. You need to have enough points to be in game in order
to use this convention.

We never want to miss an 8 card major suit fit. Remember that it is always much safer to play the hand
in a major suit contract than in No trumps.

From http://www.abtahome.com/index.php?id=205

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