Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_Normal_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. a3 d5 4. Nc3 c5 5. Nf3 Nc6 6. e3 b6 7. cxd5 exd5 8. Bb5
Bb7 9. Qa4 Qc7 10. Ne5 cxd4 11. Nxc6 dxc3 12. bxc3 *
Position (FEN): r3kb1r/pbq2ppp/1pN2n2/1B1p4/Q7/P1P1P3/5PPP/R1B1K2R b KQkq - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1648
Best move: a6