Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bc4 d5 6. Bb5+ c6 7. Ba4 Bc5 8.
O-O Bg4 9. d4 Bd6 10. Re1 Kf8 11. Qd3 Qf6 12. Bg5 *
Position (FEN): rn3k1r/pp3ppp/2pb1q2/3p2B1/B2Pn1b1/3Q1N2/PPP2PPP/RN2R1K1 b - - 6 12
Black to move.
Themes:  Opening  
Puzzle rating: 1290
Best move: Nxg5