Chess puzzle (Advantage)
Opening: Rapport-Jobava_System, Rapport-Jobava_System_Other_variations
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bd7 4. Nb5 *
Position (FEN): rn1qkb1r/pppbpppp/5n2/1N1p4/3P1B2/8/PPP1PPPP/R2QKBNR b KQkq - 5 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 943
Best move: Bxb5