Chess puzzle (Advantage)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. d4 Bf5 3. Nf3 e6 4. Nh4 *
Position (FEN): rn1qkbnr/ppp2ppp/4p3/3p1b2/3P3N/1P6/P1P1PPPP/RNBQKB1R b KQkq - 1 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1178
Best move: Qxh4