Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nc3/3...Bb4/4. e5/4...c5/5. a3/5...Bxc3/6. bxc3/6...Ne7/7. Qg4

=French Defence, Winawer Variation= By playing 7. Qg4, White immediately attacks Black's unprotected g7 pawn. Now it's Black's choice whether they want to defend the pawn, e.g. by playing 7... O-O, or whether they're going to sacrifice the g7-Pawn and prepare some counterplay on the queenside instead. For this purpose Black can try 7... Qc7 (The Poisoned Pawn Variation).

Theory table
'''1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4'''