Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 a6 7. Nd6+ Bxd6 8.
Qxd6 Qe7 9. Qc7 O-O 10. Bg5 *
Position (FEN): r1b2rk1/1pQpqppp/p1n2n2/4p1B1/2P5/2N5/PP2PPPP/R3KB1R b KQ - 4 10
Black to move.
Themes:  Opening  
Puzzle rating: 2004
Best move: Qb4