Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. e5 dxe5 5. Nxe5 e6 6. d3 Qc7 7. Bf4 Bd6 8. Qe2
O-O 9. O-O Re8 10. Nc3 Nfd7 *
Position (FEN): rnb1r1k1/ppqn1ppp/3bp3/2p1N3/2B2B2/2NP4/PPP1QPPP/R4RK1 w - - 9 11
White to move.
Themes:  Middlegame  
Puzzle rating: 1589
Best move: Nb5