Chess puzzle (Advantage)
Opening: Grunfeld_Defense, Grunfeld_Defense_Three_Knights_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Bd2 c5 8. e4
cxd4 *
Position (FEN): rnbq1rk1/pp2ppbp/6p1/3n4/3pP3/2N2N2/PP1B1PPP/R2QKB1R w KQ - 0 9
White to move.
Themes:  Opening  
Puzzle rating: 1138
Best move: Nxd5