Chess Opening Repertoire and Opening Concepts Resources
BOOKS (Free)
Chess Opening Fundamentals By GM Igor Smirnov - 46 Page PDFFour opening systems to start with . A repertoire for young players from 8 to 80. - 50 page PDF Dr. David Regis. Exeter Chess Club.
Fundamental Chess Openings Paul van der Sterren - 480 Page PDF (Internet Chess Archive)
Chess Kids Opening Manual - 110 Page (Ton of openings and there ideas explained )
Winning Quickly at Chess: Catastrophes & Tactics in the Chess Opening – Selected Brilliancies from Volumes 1-9 - 160 Page PDF
How to Win in the Openings by I A Horowitz - 194 page PDF
Chess Repertoire Articles
Repertoire suggestions - IM Andrew Martin (four possible repertoires here, based on my coaching experience with different types of player:)Repertoire suggestions - GM Niglel Davies (Openings Based on style of player)