E28 Nimzo-Indian Defense: Sämisch Variation
E28 holds a single named line. It leaves E46 (Nimzo-Indian Defense: Normal Variation) with 5.a3 Bxc3+ 6.bxc3. Black, to move in that position, has 24 legal moves, level for the fewest of the 40 Nimzo-Indian Defense codes. Black’s pieces and pawns attack two squares in White’s half, level for the fewest of the 40 Nimzo-Indian Defense codes.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | e6 |
| 3 | Nc3 | Bb4 |
| 4 | e3 | O-O |
| 5 | a3 | Bxc3+ |
| 6 | bxc3 |
Moves only E28 plays
Same as E46 up to 4...O-O, then:
- 5.a3 The a-pawn advances to a3, covering b4, opening a line for the rook on a1, attacking the bishop on b4.
- 5...Bxc3+ The bishop on b4 takes the knight on c3, giving check.
- 6.bxc3 The b-pawn takes the bishop on c3, covering b4 and d4, opening a line for the bishop on c1.
The road to E28
- 1.d4 … 3...Bb4four earlier stops: A40, A45, A50, E20
- 4.e3E40 Rubinstein System
- 4...O-OE46 Normal Variation
- 6.bxc3E28
The position after 6.bxc3
Black has brought out the knight on f6; White has not yet moved a knight or bishop. White has a half-open b-file.
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| E27 | Nimzo-Indian Defense: Sämisch Variation | two squares: e2, e3 |
| E49 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | four squares: f1, d3, d5, d7 |
| E26 | Nimzo-Indian Defense: Sämisch Variation | six squares: c5, c7, e8, f8, g8, h8 |
| E29 | Nimzo-Indian Defense: Sämisch Variation | six squares: f1, d3, c5, c6, c7, b8 |
| E47 | Nimzo-Indian Defense: Normal Variation | seven squares: f1, a2, b2, a3, c3, d3, b4 |
| E50 | Nimzo-Indian Defense | seven squares: g1, a2, b2, a3, c3, f3, b4 |
| E24 | Nimzo-Indian Defense: Sämisch Variation | nine squares: b2, e2, c3, e3, b4, e8, f8, g8 … |