This is a serious work containing four separate articles in advanced opening theory. The French Defense is the subject of two of the four articles. I analytically prove that Black can draw in both the Albin-Chatard-Alekhine variation, and the MacCutcheon variation of the French Defense. In fact, the onus is upon White to prove he can either win, or draw An article on the York Variation of the Dutch Defense is intended for grandmaster children, and -- believe it or not -- the world has many discovered and undiscovered grandmaster children. The final article is an advanced study of a system I refer to as the Polgar System: 1. a4. A playable opening by both White and Black. White and Black emerge from the opening with a tense but equal struggle for control of the entire board