D10 Slav Defense
D10 holds nine named lines, all under the name Slav Defense. It leaves D06 (Queen’s Gambit) with 2...c6. Lines of 20 other codes continue from its position, the widest spread of the 10 Slav Defense codes. At four plies, its reference line is the shortest of the 10 Slav Defense codes. With nine named lines it is the second-largest code of the 10 Slav Defense codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | d5 |
| 2 | c4 | c6 |
The move that completes D10
The reference line of D11 plays all of these moves and continues beyond them; D10 is the position reached at 2...c6.
- 2...c6 The c-pawn advances to c6, covering b5 and d5, opening a line for the queen on d8.
Lines filed under D10
All nine share their first four plies, the whole reference line and then split three ways at White’s move 3.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| Slav Defense | (the shared start itself) | 4 | |
| Slav Defense | 3.Nc3 | 5 | |
| Slav Defense: Diemer Gambit | 3.e4 | 5 | |
| Slav Defense: Exchange Variation | 3.cxd5 | 5 | White +1 |
| Slav Defense | 3.Nc3 dxc4 | 6 | Black +1 |
| Slav Defense: Winawer Countergambit | 3.Nc3 e5 | 6 | |
| Slav Defense: Slav Gambit, Alekhine Attack | 3.Nc3 dxc4 4.e4 | 7 | Black +1 |
| Slav Defense: Winawer Countergambit, Anti-Winawer Gambit | 3.Nc3 e5 4.e4 | 7 | |
| Slav Defense: Exchange Variation, Boor Attack | 3.cxd5 cxd5 4.Nc3 Nf6 5.f3 | 9 |
The road to D10
- 1.d4one earlier stop: A40
- 1...d5D00 Queen’s Pawn Game
- 2.c4D06 Queen’s Gambit
- 2...c6D10
The position after 2...c6
White could capture with cxd5. White is to move and has 30 legal moves.
Codes that branch off from D10
The reference lines of three other codes leave D10 from three of its named positions; “From” gives the last part of that position’s name.
| Code | From | Moves | Reference line |
|---|---|---|---|
| D11 | Slav Defense | 3.Nf3 | Slav Defense: Modern Line |
| D14 | Exchange Variation | 3...cxd5 4.Nc3 Nf6 5.Nf3 Nc6 6.Bf4 Bf5 | Slav Defense: Exchange Variation, Symmetrical Line |
| D45 | Slav Defense | 3...Nf6 4.e3 e6 5.Nf3 | Semi-Slav Defense: Main Line |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| D07 | Queen’s Gambit Declined: Chigorin Defense | three squares: c6, c7, b8 |
| A11 | English Opening: Caro-Kann Defensive System | four squares: d2, d4, d5, d7 |
| B13 | Caro-Kann Defense: Exchange Variation | four squares: c2, e2, c4, d5 |
| D00 | Queen’s Pawn Game | four squares: c2, c4, c6, c7 |
| D08 | Queen’s Gambit Declined: Albin Countergambit | four squares: e5, c6, c7, e7 |
| D20 | Queen’s Gambit Accepted | four squares: c4, d5, c6, c7 |
| D30 | Queen’s Gambit Declined | four squares: c6, e6, c7, e7 |
Where lines continue from here
Besides the codes above, they belong to D12, D13, D15, D16, D17, D18, D19, D30, D43, D44, D46, D47, D48, D49, D52, D94, E09.