Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8.
Qe2 Be7 9. Nc3 O-O 10. Kh1 Nd7 11. Na4 Ne5 12. b3 Nxd3 13. cxd3 Ba6 14. Bb2
dxe4 15. Qg4 Bf6 16. Bxf6 Qxf6 17. Qxe4 Rad8 18. Nc5 Rd4 19. Qxc6 Bxd3 20. Rfd1
Rfd8 21. Nb7 *
Position (FEN): 3r2k1/pN3ppp/2Q1pq2/8/3r4/1P1b4/P4PPP/R2R3K b - - 3 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1395
Best move: Be4