Chess puzzle (Advantage)
Opening: Grob_Opening, Grob_Opening_Other_variations
Moves: 1. g4 e5 2. Bg2 h6 3. c4 Nf6 4. h3 d6 5. Nc3 Be6 6. Bxb7 Nbd7 7. d3 Rb8 8. Bc6
Rb6 9. Qa4 Be7 10. Nd5 Bxd5 11. cxd5 O-O 12. b4 Nb8 13. Be3 Ra6 14. Qxa6 *
Position (FEN): 1n1q1rk1/p1p1bpp1/Q1Bp1n1p/3Pp3/1P4P1/3PB2P/P3PP2/R3K1NR b KQ - 0 14
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 716
Best move: Nxa6