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Captaincy: Who Decides the Final Contract

By Bridgetastic

Quick Summary

Captaincy is the principle that in any auction, one partner becomes “captain”, the one who makes the final contract decision. The captain knows more about the combined hands.

Who Is Captain?

The captain is the player who: 1. Knows more about partner’s hand 2. Has received a limit bid or specific description 3. Makes the final decision

Classic Examples

After 1NT Opening

1NT - ?

Opener has shown 15-17, balanced. Responder is captain, They know opener’s hand. They decide.

After a Limit Raise

1♠ - 3♠ ?

Responder showed 10-12, 4 spades. Opener is captain, They know responder’s hand. They decide.

The Non-Captain’s Job

The non-captain should: 1. Describe their hand accurately 2. Answer questions truthfully 3. Not override the captain 4. Trust the captain’s decision

Example Auction

1NT - 2♣ (Stayman) 2♥ - 4♥

Opener described: 15-17, 4 hearts. Responder decided: 4♥. Responder was captain.

Opener should not bid on. Responder knows the situation.

Captain Transfer

Sometimes captaincy transfers:

1NT - 2♦ (transfer) 2♥ - 2NT ?

Now opener becomes captain, Responder showed ~8-9 invitational.

Don’t Overrule the Captain

Wrong

1NT - 3NT 4♣ ???

Responder bid 3NT (captain’s decision). Opener shouldn’t correct!

1NT - 3NT Pass

Opener passes. Responder knew what they were doing.

Bidding Above the Captain

If non-captain bids on, it’s a slam try:

1♠ - 3♠ 4♣

4♣ = “I’m not just accepting. I have extras and club control.”

Asking Bids Change Captaincy

RKCB/Blackwood temporarily gives asking partner control:

1♠ - 2NT 4NT - 5♦ ?

Opener asked, so opener decides based on the answer.

In Competitive Auctions

Captaincy can be unclear when opponents bid:

1♠ - 2♠ - (3♥) - ?

Who decides? Generally the player with undisclosed extras.

Key Takeaways

  • One partner is captain, Makes final decision

  • Know your role, Captain or describer

  • Don’t overrule, Trust the captain

  • Bidding on = extras if not captain

  • Asking bids = temporary captaincy

See also: Fast Arrival (captain signing off), Slam Tries (non-captain showing extras)

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