Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. c4 d6 3. Nc3 Bg7 4. e3 Nf6 5. Nf3 Nbd7 6. Be2 O-O 7. O-O Re8 8. Qc2
e5 9. dxe5 dxe5 10. Rd1 c5 11. Nd5 Nxd5 12. Rxd5 b6 13. e4 Bb7 14. Rd1 Qc7 15.
Be3 Nf6 16. Bd3 Rad8 17. Rd2 Bc6 18. Rad1 Qb7 19. b3 Bxe4 *
Position (FEN): 3rr1k1/pq3pbp/1p3np1/2p1p3/2P1b3/1P1BBN2/P1QR1PPP/3R2K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 811
Best move: Bxe4