Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 exd4 5. Qxd4 Be7 6. Bf4 O-O 7. O-O-O Nc6 8.
Qd2 Be6 9. Ng5 a6 10. f3 b5 11. h4 b4 12. Nxe6 bxc3 13. Nxd8 *
Position (FEN): r2N1rk1/2p1bppp/p1np1n2/8/4PB1P/2p2P2/PPPQ2P1/2KR1B1R b - - 0 13
Black to move.
Themes: Advanced Pawn, Queenside Attack Middlegame  
Puzzle rating: 1443
Best move: cxd2+