Chess puzzle (Checkmate)
Opening: Reti_Opening, Reti_Opening_Reti_Gambit
Moves: 1. Nf3 d5 2. c4 dxc4 3. e3 Be6 4. Qc2 Qd5 5. a4 c6 6. Na3 b5 7. axb5 cxb5 8. b3
cxb3 9. Bxb5+ Bd7 *
Position (FEN): rn2kbnr/p2bpppp/8/1B1q4/8/Np2PN2/2QP1PPP/R1B1K2R w KQkq - 1 10
White to move.
Themes: Pin Opening Mate in 1 
Puzzle rating: 1383
Best move: Qc8#