C06 French Defense: Tarrasch Variation, Closed Variation, Main Line
C06 holds two named lines, all under the name French Defense. It leaves C05 (French Defense: Tarrasch Variation, Closed Variation) with 7.Ne2 cxd4 8.cxd4. At 15 plies, its reference line is the longest of the 19 French Defense codes. Black has two minor pieces off their first squares, level for the most of the 19 French Defense codes. White has three minor pieces off their first squares, level for the most of the 19 French Defense codes.
| # | White | Black |
|---|---|---|
| 1 | e4 | e6 |
| 2 | d4 | d5 |
| 3 | Nd2 | Nf6 |
| 4 | e5 | Nfd7 |
| 5 | Bd3 | c5 |
| 6 | c3 | Nc6 |
| 7 | Ne2 | cxd4 |
| 8 | cxd4 |
Moves only C06 plays
Same as C05 up to 3...Nf6, then:
- 4.e5 The e-pawn advances to e5, covering d6 and f6, attacking the knight on f6.
- 4...Nfd7 The knight goes from f6 to d7.
- 5.Bd3 The bishop leaves f1 for d3.
- 5...c5 The c-pawn advances two squares to c5, covering b4 and d4, opening a line for the queen on d8.
- 6.c3 The c-pawn advances to c3, covering b4 and d4, opening a line for the queen on d1 and the bishop on d3.
- 6...Nc6 The knight leaves b8 for c6, opening a line for the rook on a8.
- 7.Ne2 The knight leaves g1 for e2, opening a line for the rook on h1.
- 7...cxd4 The c-pawn takes the pawn on d4, covering c3 and e3, opening a line for the bishop on f8.
- 8.cxd4 The c-pawn takes the pawn on d4, covering c5 and e5.
Lines filed under C06
Both share their first 15 plies, the whole reference line.
| Name | After the shared start | Plies |
|---|---|---|
| French Defense: Tarrasch Variation, Closed Variation, Main Line | (the shared start itself) | 15 |
| French Defense: Tarrasch Variation, Leningrad Variation | 8...Nb6 | 16 |
French Defense: Tarrasch Variation, Leningrad Variation
- 8...Nb6 The knight goes from d7 to b6, opening a line for the bishop on c8 and the queen on d8, guarding the rook on a8.
The road to C06
- 1.e4 … 3.Nd2five earlier stops: B00, C00, C03
- 3...Nf6C05 Closed Variation
- 6...Nc6C05 Closed Variation
- 8.cxd4C06
The position after 8.cxd4
White has brought out the knight on d2, knight on e2 and bishop on d3; Black the knight on c6 and knight on d7. Black could capture with Ncxe5, Ndxe5, Nxd4. The c-file is fully open. Black is to move and has 36 legal moves.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D42 | Queen’s Gambit Declined: Semi-Tarrasch Defense, Main Line | nine squares: d2, e2, c3, e3, f3, c5, d5, e5 … |
| D46 | Semi-Slav Defense: Main Line | nine squares: d2, e2, c3, e3, f3, c4, e5, c6 … |
| C04 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | ten squares: f1, c2, e2, d3, f3, e4, e5, f6 … |
| C09 | French Defense: Tarrasch Variation, Open System, Main Line | ten squares: f1, c2, e2, d3, f3, c5, e5, e6 … |
| A33 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | 11 squares: f1, d2, e2, c3, d3, c4, d4, d5 … |
| D47 | Semi-Slav Defense: Semi-Meran Variation | 11 squares: d2, e2, c3, d3, e3, f3, c4, d5 … |
| D49 | Semi-Slav Defense: Meran Variation, Blumenfeld Variation | 11 squares: d2, e2, f3, d4, b5, d5, a6, c6 … |