A93 Dutch Defense: Stonewall Variation, Botvinnik Variation
A93 holds a single named line. It leaves A92 (Dutch Defense: Stonewall Variation) with 7.b3. Both kings have castled by the end of the reference line, White on move 6 and Black on move 5. That final move, by the b-pawn, covers a4 and c4 and opens a line for the bishop on c1.
| # | White | Black |
|---|---|---|
| 1 | d4 | f5 |
| 2 | c4 | Nf6 |
| 3 | g3 | e6 |
| 4 | Bg2 | Be7 |
| 5 | Nf3 | O-O |
| 6 | O-O | d5 |
| 7 | b3 |
The road to A93
- 1.d4 … 5.Nf3seven earlier stops: A40, A80, A84, A86, A90, A91
- 5...O-OA92 Classical Variation
- 6...d5A92 Stonewall Variation
- 7.b3A93
The position after 7.b3
White has brought out the knight on f3 and bishop on g2; Black the knight on f6 and bishop on e7. Black could capture with dxc4. Black is to move and has 33 legal moves.
Codes that branch off from A93
The reference lines of one other code leave A93 from the position after 7.b3, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| A94 | 7...c6 8.Ba3 | Dutch Defense: Stonewall Variation |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| A96 | Dutch Defense: Classical Variation | four squares: b2, b3, d5, d6 |
| A95 | Dutch Defense: Stonewall Variation | six squares: b1, b2, b3, c3, c6, c7 |
| A99 | Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line | six squares: b1, c3, d5, d6, d8, e8 |
| E07 | Catalan Opening: Closed | six squares: b2, b3, f5, d7, f7, b8 |
| A97 | Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation | eight squares: b1, b2, b3, c3, d5, d6, d8, e8 |
| D77 | Neo-Grünfeld Defense: Classical Variation | eight squares: b2, b3, f5, e6, g6, e7, f7, g7 |
| E08 | Catalan Opening: Closed | eight squares: d1, b2, c2, b3, f5, d7, f7, b8 |
Where lines continue from here
One named line filed under other codes passes through the position after 7.b3. It belongs to the code listed above.