Chess puzzle (Crushing)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Austrian_Defense
Moves: 1. d4 d5 2. c4 c5 3. cxd5 cxd4 4. Nf3 Qxd5 5. Qxd4 Qa5+ 6. Bd2 Qc7 7. Na3 a6 8.
Rc1 Nc6 9. Nc4 *
Position (FEN): r1b1kbnr/1pq1pppp/p1n5/8/2NQ4/5N2/PP1BPPPP/2R1KB1R b Kkq - 3 9
Black to move.
Themes:  Opening  
Puzzle rating: 953
Best move: Nxd4