NM Dan Heisman defines and discusses three common concepts (and names two of them): 1) Piece Domination, 2) Move Domination, and 3) The Two-Way Bishop. These concepts are quite helpful in many situations to quickly determine reasonable candidate moves.
NM Dan Heisman has been a full-time chess instructor since 1996 and is the author of 12 chess books, the TV show “Q&A with Coach Heisman” on Chess.com and the radio show “Ask the Renaissance Man” on the Internet Chess Club. Howard Stern was one of Dan’s students. Dan tries to answer comments on YouTube but for a quicker, more comprehensive answer (or questions about lessons), contact Dan via email, skype, or phone via Dan’s website . His Chess Tip of the Day is @danheisman on Twitter.