Weak jump overcalls is a convention for interfering with opponents' openings, leaving little room for communication. It has pretty much universally replaced strong jump overcalls.
Weak jump overcalls is a convention for interfering with opponents' openings, leaving little room for communication. It has pretty much universally replaced strong jump overcalls.
Weak jump overcalls is a convention for interfering with opponents' openings, leaving little room for communication. It has pretty much universally replaced strong jump overcalls.