Why is exd4 better than cxd4 (capturing towards the center?) : r/chess
Why was e5 my best move in this position? Why was cxd4 a mistake? : r/chess
can someone explain to me the purpose of Ndb5 in this position? I can see in opening explorer it is the most common move in this position but I just don't get
Siciliana - Strategia dopo il cambio cxd4
The Streatham & Brixton Chess Blog: Whatever happened to the Polugaevsky Variation?