Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Byrne_Variation
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 O-O 6. O-O-O c6 7. f4 c5 8. e5
dxe5 9. fxe5 Nd5 *
Position (FEN): rnbq1rk1/pp2ppbp/6p1/2pnP1B1/3P4/2N5/PPPQ2PP/2KR1BNR w - - 1 10
White to move.
Themes:  Opening  
Puzzle rating: 1979
Best move: dxc5