C02 French Defense: Advance Variation
C02 holds 22 named lines, all under the name French Defense. It leaves C00 (French Defense) with 3.e5. Material is no longer level at the end of six of its lines; the widest gap, one pawn in Black’s favour, comes in French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation. With 22 named lines it is the second-largest code of the 19 French Defense codes.
| # | White | Black |
|---|---|---|
| 1 | e4 | e6 |
| 2 | d4 | d5 |
| 3 | e5 |
Moves only C02 plays
Same as C01 up to 2...d5, then:
- 3.e5 The e-pawn advances to e5, covering d6 and f6.
Lines filed under C02
All 22 share their first five plies, the whole reference line and then split two ways at Black’s move 3.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| French Defense: Advance Variation | (the shared start itself) | 5 | |
| French Defense: Advance Variation | 3...c5 | 6 | |
| French Defense: Advance Variation, Extended Bishop Swap | 3...Bd7 | 6 | |
| French Defense: Advance Variation | 3...c5 4.c3 | 7 | |
| French Defense: Advance Variation, Frenkel Gambit | 3...c5 4.b4 | 7 | |
| French Defense: Advance Variation, Nimzowitsch Attack | 3...c5 4.Qg4 | 7 | |
| French Defense: Advance Variation, Nimzowitsch System | 3...c5 4.Nf3 | 7 | |
| French Defense: Advance Variation, Steinitz Variation | 3...c5 4.dxc5 | 7 | White +1 |
| French Defense: Advance Variation | 3...c5 4.c3 Nc6 | 8 | |
| French Defense: Advance Variation, Kupreichik Variation | 3...c5 4.c3 Nc6 5.Be3 | 9 | |
| French Defense: Advance Variation, Nimzowitsch Gambit | 3...c5 4.Qg4 cxd4 5.Nf3 | 9 | Black +1 |
| French Defense: Advance Variation, Paulsen Attack | 3...c5 4.c3 Nc6 5.Nf3 | 9 | |
| French Defense: Advance Variation, Ruisdonk Gambit | 3...c5 4.Nf3 cxd4 5.Bd3 | 9 | Black +1 |
| French Defense: Advance Variation, Euwe Variation | 3...c5 4.c3 Nc6 5.Nf3 Bd7 | 10 | |
| French Defense: Advance Variation, Wade Variation | 3...c5 4.c3 Qb6 5.Nf3 Bd7 | 10 | |
| French Defense: Advance Variation, Main Line | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 | 11 | |
| French Defense: Advance Variation, Milner-Barry Gambit | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 | 11 | |
| French Defense: Advance Variation, Lputian Variation | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 Nh6 | 12 | |
| French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.O-O | 13 | Black +1, White castled |
| French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.O-O Bd7 8.Re1 | 15 | Black +1, White castled |
| French Defense: Advance Variation, Milner-Barry Gambit, Main Line | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.cxd4 Bd7 8.O-O | 15 | White castled |
| French Defense: Advance Variation, Milner-Barry Gambit, Sørensen Variation | 3...c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.cxd4 Bd7 8.O-O Nxd4 9.Ng5 | 17 | Black +1, White castled |
The road to C02
- 1.e4 … 1...e6two earlier stops: B00, C00
- 2.d4C00 Normal Variation
- 2...d5C00 French Defense
- 3.e5C02
The position after 3.e5
Black is to move and has 32 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| C03 | French Defense: Tarrasch Variation | four squares: b1, d2, e4, e5 |
| C10 | French Defense: Paulsen Variation | four squares: b1, c3, e4, e5 |
| C16 | French Defense: Winawer Variation, Advance Variation | four squares: b1, c3, b4, f8 |
| D00 | Queen’s Pawn Game | four squares: e2, e5, e6, e7 |
| D30 | Queen’s Gambit Declined | four squares: c2, e2, c4, e5 |
| B03 | Alekhine Defense | five squares: d5, e6, d7, e7, g8 |
| B07 | King’s Pawn Game: Maróczy Defense | five squares: e4, d5, e5, d6, e6 |