Watch for the benefits of castling early and en passant.
Euwe vs Gruenfeld, 1936 (D28) Queen's Gambit Accepted, Classical, 28 moves, 1-0
Black is slow to castle and to develop pieces.
Taimanov vs V Mikenas, 1965  (D25) Queen's Gambit Accepted, 38 moves, 1-0
2 games |