Slav Defense: Chebanenko Variation, Advance System

1.
1. d4
2. d5
2.
3. c4
4. c6
3.
5. Nf3
6. Nf6
4.
7. Nc3
8. a6
5.
9. c5

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The Slav Defense: Chebanenko Variation, Advance System is a chess opening classified under ECO code D15 (Closed & Semi-Closed games). It is a variation of the Slav Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.