Chess puzzle (Advantage)
Opening: Scandinavian_Defense, Scandinavian_Defense_Mieses-Kotroc_Variation
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Bg4 5. Be2 e6 6. O-O h6 7. Ne5 Bf5 8.
Re1 Bd6 9. Nf3 Nf6 10. d4 Bb4 11. h3 a6 12. Bd3 Bxd3 13. Qxd3 Nc6 14. Bd2 Be7
15. Rad1 Nb4 16. Qc4 b5 17. Qb3 Nc6 18. Be3 *
Position (FEN): r2qk2r/2p1bpp1/p1n1pn1p/1p6/3P4/1QN1BN1P/PPP2PP1/3RR1K1 b kq - 3 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1665
Best move: Na5