Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 e6 3. Nf3 c5 4. dxc5 Bxc5 5. Bf4 Nf6 6. Nb5 Na6 7. e3 O-O 8. c3
Qb6 9. b4 Be7 10. Nc7 *
Position (FEN): r1b2rk1/ppN1bppp/nq2pn2/3p4/1P3B2/2P1PN2/P4PPP/R2QKB1R b KQ - 2 10
Black to move.
Themes:  Middlegame  
Puzzle rating: 1221
Best move: Nxc7