Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Accelerated_Dragon
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Nxc6 bxc6 7. Nc3 Qa5 8.
Bd2 Qb6 9. Qc1 Ba6 10. Bd3 Rb8 11. O-O Bxd3 12. cxd3 Qxb2 *
Position (FEN): 1r2k1nr/p2pppbp/2p3p1/8/4P3/2NP4/Pq1B1PPP/R1Q2RK1 w k - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1408
Best move: Rb1