ECO code: C02
French Defense: Advance Variation, Euwe, 6.a3
This line arises after the moves 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3. The Advance Variation is known for White's spatial gain in the center by pushing the e-pawn to e5 early, challenging Black’s counterplay. The move 6.a3 is a subtle and flexible waiting move, introduced by former World Champion Max Euwe, aiming to prepare b4 in some lines or to prevent Black’s pieces from jumping to b4, particularly the knight or bishop.
Characteristic of 6.a3: This move is not directly attacking or defensive but rather prophylactic. It supports White's queenside expansion possibilities and controls key squares, making it harder for Black to develop comfortably on that flank.
Attacking or Defensive? As White, 6.a3 is part of White’s strategic approach to maintain a strong center and prepare for a queenside space gain, so it leans toward a controlled, positional build-up rather than immediate attack or defense. Black typically seeks counterplay against White’s center and queenside pawns.
Center Control: Yes, this opening fundamentally attacks and controls the center. The Advance Variation’s hallmark is White’s strong pawn on e5, supported by c3 and d4, aiming to restrict Black’s central counterplay. The move 6.a3 supports this strategy indirectly by enabling queenside expansion and restricting Black’s countermeasures.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the French: Advance, Euwe, 6.a3, and sharpen your opening mastery.
Puzzle 1 of 4 - Move #10 white