C05 French Defense: Tarrasch Variation, Closed Variation
C05 holds four named lines, all under the name French Defense. It leaves C03 (French Defense: Tarrasch Variation) with 3...Nf6. None of its four lines contains a capture. That final move, by the knight, opens a line for the rook on h8.
| # | White | Black |
|---|---|---|
| 1 | e4 | e6 |
| 2 | d4 | d5 |
| 3 | Nd2 | Nf6 |
Lines filed under C05
All four share their first six plies, the whole reference line.
| Name | After the shared start | Plies |
|---|---|---|
| French Defense: Tarrasch Variation, Closed Variation | (the shared start itself) | 6 |
| French Defense: Tarrasch Variation, Pawn Center Variation | 4.e5 Nfd7 5.f4 | 9 |
| French Defense: Tarrasch Variation, Botvinnik Variation | 4.e5 Nfd7 5.Bd3 c5 6.c3 b6 | 12 |
| French Defense: Tarrasch Variation, Closed Variation | 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 | 12 |
French Defense: Tarrasch Variation, Pawn Center Variation
- 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.f4 The f-pawn advances two squares to f4, covering e5 and g5.
French Defense: Tarrasch Variation, Botvinnik Variation
- 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.
French Defense: Tarrasch Variation, Closed Variation
- 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.
The road to C05
- 1.e4 … 2.d4three earlier stops: B00, C00
- 2...d5C00 French Defense
- 3.Nd2C03 Tarrasch Variation
- 3...Nf6C05
The position after 3...Nf6
White has brought out the knight on d2; Black the knight on f6. White could capture with exd5. White is to move and has 32 legal moves.
Codes that branch off from C05
The reference lines of one other code leave C05 from the position after 6...Nc6, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| C06 | 7.Ne2 cxd4 8.cxd4 | French Defense: Tarrasch Variation, Closed Variation, Main Line |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| C11 | French Defense: Classical Variation | two squares: d2, c3 |
| C04 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | four squares: g1, f3, c6, b8 |
| C07 | French Defense: Tarrasch Variation, Open System | four squares: c5, f6, c7, g8 |
| C10 | French Defense: Paulsen Variation | four squares: d2, c3, f6, g8 |
| C12 | French Defense, Classical, 4. Bg5 | four squares: c1, d2, c3, g5 |
| B14 | Caro-Kann Defense: Panov Attack | six squares: c2, d2, c3, c4, e4, c7 |
| C01 | French Defense: Exchange Variation | six squares: b1, d2, e4, d5, f6, g8 |
Where lines continue from here
Two named lines filed under other codes pass through the position after 3...Nf6. All of them belong to the codes listed above.