Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 d5 4. Bb5+ Bd7 5. d4 c6 6. Nxe5 *
Position (FEN): rn1qkb1r/pp1b1ppp/2p2n2/1B1pN3/3PP3/2N5/PPP2PPP/R1BQK2R b KQkq - 0 6
Black to move.
Themes:  Opening  
Puzzle rating: 1402
Best move: cxb5