Chess puzzle (Advantage)
Opening: Polish_Opening, Polish_Opening_Other_variations
Moves: 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 O-O 5. e3 Nc6 6. Bb2 d5 7. c4 Bg4 8.
cxd5 Nxd5 9. Be2 a5 10. O-O a4 11. a3 Bd6 12. d4 Qf6 13. e4 Bxf3 *
Position (FEN): r4rk1/1pp2ppp/2nb1q2/3n4/p2PP3/P4b2/1B2BPPP/RN1Q1RK1 w - - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1728
Best move: Bxf3