Chess puzzle (Advantage)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Ryder_Gambit
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 c6 6. Be3 Qb6 7. Rb1 Qa5 8.
h3 e6 9. Bd3 Bc5 *
Position (FEN): rnb1k2r/pp3ppp/2p1pn2/q1b5/3P4/2NBBQ1P/PPP3P1/1R2K1NR w Kkq - 2 10
White to move.
Themes:  Opening  
Puzzle rating: 1860
Best move: dxc5