Chess puzzle (Advantage)
Moves: 1. d4 e6 2. f4 c5 3. e3 cxd4 4. exd4 Qh4+ 5. g3 Qe7 6. Bg2 Qb4+ 7. c3 Qb5 8.
Ne2 d5 9. O-O Nf6 10. Nd2 Be7 11. Nf3 Ne4 12. Ne5 O-O 13. Bxe4 dxe4 14. c4 Qa6
15. c5 Nd7 16. Nc3 Nxe5 17. fxe5 Qc6 18. Qe2 f5 19. exf6 Bxf6 20. Qe3 b5 21.
Nxe4 *
Position (FEN): r1b2rk1/p5pp/2q1pb2/1pP5/3PN3/4Q1P1/PP5P/R1B2RK1 b - - 0 21
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1738
Best move: Bb7