Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 c6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be6 5. Nf3 h6 6. Qb3 Qc7 7. Bxf6 exf6 8.
cxd5 Bxd5 9. Nxd5 cxd5 10. e3 Nc6 11. Bb5 Qa5+ 12. Kf1 Bb4 13. g3 *
Position (FEN): r3k2r/pp3pp1/2n2p1p/qB1p4/1b1P4/1Q2PNP1/PP3P1P/R4K1R b kq - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1010
Best move: Qxb5+