Based on the best-selling book 25 Bridge Conventions You Should Know, "part 2: More Complicated" includes the following 9: Jacoby 2NT forcing major raise Chapter 10: Splinter bids Chapter 11: Cuebid raises Chapter 12: Balancing Chapter 13: Help suit game tries Chapter 14: Control-showing cuebids Chapter 15: Grand slam force Chapter 16: Michaels cuebids and Unusual NT Chapter 17: Landy 2♣ over opponents’ 1NT For the remaining conventions, look for these Bridge Conventions You Should Know - Part 1: Learn These First25 Bridge Conventions You Should Know - Part 3: Sophisticated Stuff