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over-opponents-take-out-double.md

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Over opponents take out double

When to use

  M := major
  m := minor
  x := ! M

Opening in majors in 1st or 2nd place, opponents make a direct X, meaning it's a takeout double.

Sequence Meaning
1M - (X) - XX No fit and 10+ tpts
1M - (X) - 2NT Fit (3 cards support) and 10+ tpts
1♥ - (X) - 1♠ 6-9 tpts
1M - (X) - 2M Fit (3 cards support) and 6-9 tpts
1M - (X) - 2m No fit, 6-9 tpts, and 5 in minor (alertable)
1M - (X) - 1NT 6-9 tpts and balanced hand and no fit

After 1M - (X) - XX

The 4th player (Take-out Doubler's Partner) is forced to bid. Opener will either Pass or Double if he holds 4 cards in Opponent's suit. If the 4th player's bid is passed around, the Redoubler must take action, usually by either a Penalty double or a NT bid. (reference: http://www.jazclass.aust.com/bridge/br28.htm#03)

After 1M - (X) - 2NT

  • 3M : Minimum hand (13-15 pts)
  • 4M : Showing extras (16-21 pts)
  • 3x : Help suit game try (2 or more losers in the suit)
  • 4x : Forcing to game (0-1 cards in this suit, 16-21 pts)

Partner opens in minors

  • If partner opens 1♣/1♦ and then opponent double, the meaning of bid by responder is as the following (with priorities):
    • XX = 6+ pts, 4+ in both majors;
    • 1 ♠/♥ = 6+ pts, 4+ ♠/♥;
    • With a 5 card support and 11+ tpts, make a jump in the other minor (Xriss-Xross bid)
    • With a 5 card support and 6-10 tpts, say 2m.
    • With a 5 card support and 5 or less tpts, jump to 3m.
    • 1NT = 6-10 tpts without majors and no fit.
    • 2NT = 11-12 tpts without majors and no fit.
    • 3NT = 13-19 tpts without majors and no fit.

When NOT to use

  • Opener opens major in 3rd or 4th position, see Drury.

♠♥♦♣