Mastering Chess Vol. 2: Learning Openings the Easy Way Ambitious Approach to Critical Opening Positions - Learn the critical approach to getting the maximum advantage out of the opening. Positional Sacrifice in the Opening - Part 1 - Positional Sacrifices which lead to advanced development and positional counterplay Positional Sacrifice in the Opening - Part 2 Powerful Tactics in the Opening - Part 1 - Sacrifices, tactics and traps that end games in both sharp and quiet openings. Powerful Tactics in the Opening - Part 2