Chess puzzle (Advantage)
Opening: Grob_Opening, Grob_Opening_Other_variations
Moves: 1. g4 d5 2. g5 e6 3. d4 Nc6 4. Bg2 Bd7 5. h4 Qe7 6. Qd3 O-O-O 7. Bd2 h6 8. Nc3
*
Position (FEN): 2kr1bnr/pppbqpp1/2n1p2p/3p2P1/3P3P/2NQ4/PPPBPPB1/R3K1NR b KQ - 1 8
Black to move.
Themes:  Opening  
Puzzle rating: 1235
Best move: Nb4