Chess puzzle (Equality)
Moves: 1. e4 e6 2. f4 d5 3. e5 c5 4. c3 Nc6 5. d4 Qb6 6. Nf3 Bd7 7. b3 cxd4 8. cxd4
Nge7 9. Be3 Nf5 10. Bf2 Bb4+ 11. Nbd2 O-O 12. a3 Be7 13. a4 Nfxd4 14. Nxd4 Nxd4
15. a5 Qb4 16. Be2 Nxb3 *
Position (FEN): r4rk1/pp1bbppp/4p3/P2pP3/1q3P2/1n6/3NBBPP/R2QK2R w KQ - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1807
Best move: Qxb3