Chess puzzle (Crushing)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d3 Nc6 5. Nc3 Bg4 6. Be2 Nf6 7. Bg5 g6 8.
Qd2 Qb6 9. O-O-O Rd8 10. Bxf6 exf6 11. h3 Be6 12. Kb1 Bb4 13. Ka1 *
Position (FEN): 3rk2r/pp3p1p/1qn1bpp1/3p4/1b6/2NP1N1P/PPPQBPP1/K2R3R b k - 4 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1471
Best move: d4