Sicilian Defense: Heidenfeld Variation

1.
1. e4
2. c5
2.
3. c3
4. Nf6
3.
5. e5
6. Nd5
4.
7. Nf3
8. Nc6
5.
9. Na3

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The Sicilian Defense: Heidenfeld Variation is a chess opening classified under ECO code B22 (Semi-Open games). It is a variation of the Sicilian Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.