Chess puzzle (Advantage)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. Bf4 d5 3. e3 g5 4. Bg3 Nf6 5. h4 Ne4 6. Be5 Rg8 7. hxg5 Qxg5 8. Nf3
Qe7 9. Rxh7 Nc6 10. Bf4 Qb4+ 11. c3 *
Position (FEN): r1b1kbr1/ppp2p1R/2n1p3/3p4/1q1PnB2/2P1PN2/PP3PP1/RN1QKB2 b Qq - 0 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1496
Best move: Qxb2