Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Two_Pawn_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. d4 Be7 7. Nf3 d6 8. Qb3
dxc5 9. dxc5 Bxc5 10. Qb5+ c6 *
Position (FEN): rnbqk2r/pp3ppp/2p1p3/1QbnP3/2B5/5N2/PP3PPP/RNB1K2R w KQkq - 0 11
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1055
Best move: Qxc5