Chess puzzle (Advantage)
Opening: Reti_Opening, Reti_Opening_Other_variations
Moves: 1. Nf3 d5 2. c4 c6 3. e3 Bg4 4. cxd5 cxd5 5. Qa4+ Bd7 6. Qb3 Bc6 7. Ne5 Qc7 8.
d4 Nd7 9. Nxc6 bxc6 10. Nc3 Ngf6 11. Bd3 e6 12. O-O c5 13. dxc5 Bxc5 14. Bd2
O-O 15. Rac1 Qb6 16. Qc2 Rab8 *
Position (FEN): 1r3rk1/p2n1ppp/1q2pn2/2bp4/8/2NBP3/PPQB1PPP/2R2RK1 w - - 6 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1447
Best move: Na4