Takeout Doubles

Your Position and Your Hand Your Bid
Case A. In Second Seat
Opener in First Seat has just bid 1 of a suit, but Responder in Third Seat has not bid yet. Double, if you have 11+ HCPs and support for all three unbid suits and a shortage in suit opened by opponents.
Double
Case B. In Third Seat
Your partner in First Seat opened 1C, but was overcalled 1D in Second Seat. Double, if you have 6+ HCPs and two good 4-card Major suits.
Double
Case C. In Third Seat
Your partner in First Seat opened 1C or 1D but was overcalled 1H or 1S in Second Seat. Double, if you have 6+ HCPs and a good 4-card unbid Major suit and a good 4-card unbid Minor suit.
Double
Case D. In Third Seat
Your partner in First Seat opened 1H but was overcalled 1S in Second Seat. Double, if you have 6+ HCPs and a good 5-card unbid Minor suit.
Double
Case E. In Third Seat
Your partner in First Seat opened 1 of a suit , but was overcalled at the 2 Level in Second Seat. Double, if you have 8+ HCPs and a good 4-card unbid Major suit or a good 5-card unbid Minor suit.
Double
Case F. In Fourth Seat
Opener in First Seat opened 1 of a suit, Partner in Second Seat Passed and Responder in Third Seat has just bid 1 of another suit. Double, if you have 11+ HCPs and good support for the two unbid suits and a shortage in both suits bid by opponents.
Double
Case G. Otherwise
If your position and hand don't match any of the above cases
Pass
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