Chess puzzle (Advantage)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 Nf6 3. a3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Ba2 Bb7 8. Nf3
c5 9. O-O cxd4 10. Nxd4 b4 11. Qa4+ Nc6 *
Position (FEN): r2qkb1r/1b3ppp/p1n1pn2/8/Qp1N4/P1N1P3/BP3PPP/R1B2RK1 w kq - 2 12
White to move.
Themes:  Opening  
Puzzle rating: 946
Best move: Nxc6