**1D Advanced**

When Opener bids 1D they indicate 11-15 HCP, 4+D, no 5 card major, and an unbalanced hand.  The advanced responses to 1D open are:

^Opener's bid^Responder^Description^
|1D|||
| |1M|8-12 HCP, 4+ cds|
| |1N|8-12 HCP, no 4M|
| |2C|13+ HCP, 4+ cds in suit, no 4M|
| |2D|8-12 HCP, 4+ cds in suit, no 4M|
| |2M|13+ HCP, 4+ cds|
| |2N|16+ points, 5+D or 19+ points, 4D, slam invitation|
| |3D|13-15 points, 4+ D|
| |3M|13+ HCP, 6+ cds|
| |4D|16-18 points, 4D|

For Opener's rebids, see the spreadsheet.

For slam bidding, see [[slambidding|Slam Bidding]]