Chess puzzle (Advantage)
Opening: Polish_Opening, Polish_Opening_Other_variations
Moves: 1. b4 g6 2. Bb2 f6 3. b5 b6 4. a4 Bb7 5. e3 Bg7 6. Nf3 e6 7. Be2 Qe7 8. O-O f5
9. Bxg7 Qxg7 10. Nc3 h6 11. d4 d6 12. Bc4 Ke7 13. d5 *
Position (FEN): rn4nr/pbp1k1q1/1p1pp1pp/1P1P1p2/P1B5/2N1PN2/2P2PPP/R2Q1RK1 b - - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 863
Best move: Qxc3