4c_4d_opening
Natural. Pre-emptive. Unusual.
Over 4C Openings.
–4D Kickback
–4H/S to play
–4NT is TO PLAY
Over 4D Openings.
–4H is Natural
–4S is Natural
–4NT is Slam Try
4c_4d_opening.txt · Last modified: by 2001:8003:1c20:5c00:c0e9:8c0d:891b:e1ba