Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. e4 g6 2. Nf3 Bg7 3. d4 h6 4. e5 a6 5. h4 d6 6. exd6 cxd6 7. Nc3 Bg4 8. Bf4
Nc6 9. Qe2 Nxd4 10. Qe4 Nxf3+ 11. gxf3 Bf5 12. Qe3 Bf6 13. O-O-O Bg7 14. Bxd6
Nf6 15. Bxe7 *
Position (FEN): r2qk2r/1p2Bpb1/p4npp/5b2/7P/2N1QP2/PPP2P2/2KR1B1R b kq - 0 15
Black to move.
Themes:  Opening  
Puzzle rating: 1001
Best move: Qxe7