Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Nf6 3. e3 Be7 4. d4 exd4 5. exd4 O-O 6. Nf3 Bb4 7. Be2 Re8 8.
O-O Bxc3 9. bxc3 d5 10. Bg5 Qd6 11. Qb3 Ne4 12. cxd5 *
Position (FEN): rnb1r1k1/ppp2ppp/3q4/3P2B1/3Pn3/1QP2N2/P3BPPP/R4RK1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1422
Best move: Nxg5