Chess puzzle (Advantage)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 h6 3. Nc3 Nf6 4. Nf3 d6 5. e4 Nc6 6. Be2 a6 7. O-O b6 8. Rb1 Bb7
9. Qc2 e5 10. d5 Be7 11. b4 O-O 12. a4 a5 *
Position (FEN): r2q1rk1/1bp1bpp1/1pnp1n1p/p2Pp3/PPP1P3/2N2N2/2Q1BPPP/1RB2RK1 w - - 0 13
White to move.
Themes:  Opening  
Puzzle rating: 1614
Best move: dxc6