Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 e6 3. Bg5 Be7 4. Bxe7 Nxe7 5. e3 O-O 6. Be2 c5 7. O-O cxd4 8.
Nxd4 Qb6 9. b3 Rd8 10. c4 e5 11. Nf3 dxc4 12. Bxc4 *
Position (FEN): rnbr2k1/pp2nppp/1q6/4p3/2B5/1P2PN2/P4PPP/RN1Q1RK1 b - - 0 12
Black to move.
Themes:  Opening  
Puzzle rating: 956
Best move: Rxd1