Today Grandmaster Alex Lenderman delivers his fifth installment in the video series on playing with a space advantage. Reviewed today is perhaps one of Alex's best games, from certainly one of his best overall tournament performances. In the King's Indian, knowledge and experience in playing with a space advantage is both vital for your attack (on the queenside) and your defense (on the kingside). Watch as Alex displays "space mastery" against GM Rogelio Barcenilla...