Blackwood Convention

Post date: Mar 28, 2013 8:7:58 PM

If partner says 4NT, he is usually using Blackwood Convention.  Blackwood Convention asks for Aces.

If you have 0 or 4 aces, respond 4Club.

If you have 1 ace, respond 4Diamond.

If you have 2 aces, respond 4Heart.

If you have 3 aces, respond 4Spade.

He usually has interest in slam.

Circumstances where 4NT is NOT Blackwood Convention include:

After Jacobi Transfer

After 1NT