French Defense: Advance Variation, Milner-Barry Gambit, Sørensen Variation
French Defense: Advance Variation, Milner-Barry Gambit, Sørensen Variation is a chess opening with the ECO code C02, part of the French Defense family. It goes 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O Nxd4 9. Ng5. White opens with 1. e4 (the king's pawn) and Black answers 1... e6. After 17 moves it is Black to move. After the last move Black is a pawn ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. e4 – White plays the pawn to e4
1... e6 – Black plays the pawn to e6
2. d4 – White plays the pawn to d4
2... d5 – Black plays the pawn to d5
3. e5 – White plays the pawn to e5
3... c5 – Black plays the pawn to c5
4. c3 – White plays the pawn to c3
4... Nc6 – Black plays the knight to c6
5. Nf3 – White plays the knight to f3
5... Qb6 – Black plays the queen to b6
6. Bd3 – White plays the bishop to d3
6... cxd4 – Black captures on d4 with the c-pawn
The line goes on for 5 more moves; the lesson shows them all.
About the French Defense
Black answers 1.e4 with 1...e6 and then ...d5, attacking White's centre. Black accepts a little less space for a very solid position.
If White plays e5, pawn chains form: White attacks on the kingside, Black on the queenside.
Black hits the chain at its base with ...c5 and adds pressure with ...Nc6 and ...Qb6.
The light-squared bishop on c8 is often passive; Black may trade it or free it with ...b6 and ...Ba6.
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