Chess puzzle (Advantage)
Moves: 1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. b5 a5 6. a4 Bb7 7. c3 Nd7 8. d4 Ne7 9.
Bd3 Ng6 10. h4 Be7 11. h5 Nh4 12. Nxh4 Bxh4 13. Qg4 Be7 14. Qxg7 Rf8 15. Bxh7
Qc7 16. Be3 O-O-O 17. Qg3 f6 18. exf6 Bd6 19. Qh3 Nxf6 20. Qxe6+ *
Position (FEN): 2kr1r2/1bq4B/1p1bQn2/pPpp3P/P2P4/2P1B3/5PP1/RN2K2R b KQ - 0 20
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1894
Best move: Kb8