Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 e6 6. Bc4 Nge7 7. O-O g6 8.
Qe2 Bg7 9. Bf4 b6 *
Position (FEN): r1bqk2r/p2pnpbp/1pn1p1p1/8/2B1PB2/2N2N2/PP2QPPP/R4RK1 w kq - 0 10
White to move.
Themes:  Middlegame  
Puzzle rating: 1773
Best move: Nb5