Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8.
N1c3 a6 9. Na3 b5 10. Naxb5 axb5 11. Bxb5 Bd7 12. a4 Be7 13. h3 O-O 14. O-O Na7
15. Bxd7 Qxd7 16. b4 d5 17. Bxa7 Bxb4 18. Nb5 Nxe4 19. c4 d4 20. Qb1 Ba5 *
Position (FEN): r4rk1/B2q1ppp/8/bN2p3/P1Ppn3/7P/5PP1/RQ3RK1 w - - 2 21
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1025
Best move: Qxe4