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As a London system player, I find black quite often wants to exchange off my dark squared bishop early on. How do I punish black for doing this? - Quora

Chess Openings Explorer Pro App Price Intelligence by Qonversion

I'm building a website to find any chess games from any opening in any major tournament. I'm about to hit 900,000 total games. What do you guys think? : r/chess

Opening repertoire study with spaced repetition (+ database and game collections) : r/chess