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- Chess Opening Theory/1. e4/1...c5/2. a3/2...Nc6/3. b4
Chess Opening Theory/1. e4/1...c5/2. a3/2...Nc6/3. b4
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Position in Forsyth-Edwards Notation (FEN)
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| Moves: 1. e4 c5 2. a3 Nc6 3. b4 | |
| Parent: Sicilian Defense | |
| Synonym(s): Van Duijn’s Variation | |
Mengarini Variation
[edit | edit source]Black can accept the gambit with 3...cxb4 but the best move is the drawish 3...Nf6, to which the best response is 4. b5.
3...cxb4 used to be the main line and is still often seen at amateur levels. The most common continuation is
- 4. axb4 Nxb4
- 5. d4 d5
- 6. c3 Nc6
- 7. exd5 Qxd5
- 8. Na3!
Now, Black needs to be precise: The natural moves 8...Nf6, 8...e5, and 8...e6 blunder 9. Nb5.
Theory table
[edit | edit source].
1. e4 c5 2. a3 Nc6 3. b4
| 3 | 4 | 5 | 6 | 7 | 8 | ||
|---|---|---|---|---|---|---|---|
| Declined | ... Nf6 |
b5 Nd4 |
c3 Ne6 |
e5 Nd5 |
= | ||
| Accepted | ... cxb4 |
axb4 Nxb4 |
d4 d5 |
c3 Nc6 |
exd5 Qxd5 |
Na3 | =/∞ |
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