French Defence: Milner-Barry Gambit

French Defence: Advance Variation
	a b c d e f g h 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 a b c d e f g h
	Position in Forsyth-Edwards Notation (FEN) r1b1kbnr/pp3ppp/1qn1p3/2ppP3/3P4/2PB1N2/PP3PPP/RNBQK2R b
	Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3

White develops the light-squared bishop to d3. While White appears to have lost a pawn, 6... cxd4 7. cxd4 Nxd4? 8. Nxd4 Qxd4?? 9. Bb5+! would win Black's queen to a discovered attack. So Black must guard against Bb5 with check. Black can play 6...cxd4 7.cxd4 Bd7!, blocking the king from the Bb5+ and thus threatening to win the d4-pawn; alternatively, most played nowadays is 6...Bd7 immediately.

After the variation of 6...Bd7, White could release the tension with 7.dxc5 Bxc5 8.O-O, where Black has to be careful; 8...Ne7?? allows 9.b4 to trap Black's bishop. Alternatively, after 7.O-O cxd4, White can continue to play the position in gambit style in one of three ways: A, the main line with 8.cxd4 Nxd4 9.Nxd4 Qxd4; B, with 8.cxd4 Nxd4 9.Nbd2, looking to keep a strong knight on f3; or C, in similar fashion to the Göring Gambit with 7.O-O cxd4 8.Re1! dxc3 9.Nxc3. All three of these options are incredibly dangerous for Black, as White gets easy development and a massive attack.

After the alternative of 6...cxd4 7.cxd4 Bd7!, White can transpose into options A or B described earlier with 8.O-O!, or chicken out of the gambit lines with 8.Be2, allowing the queen to defend the d4 pawn but getting a much less ambitious position.