Chess puzzle (Advantage)
Opening: Blumenfeld_Countergambit, Blumenfeld_Countergambit_Other_variations
Moves: 1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 Bd6 6. Nc3 O-O 7. Bg5 Be7 *
Position (FEN): rnbq1rk1/pp1pbppp/5n2/2pP2B1/8/2N2N2/PP2PPPP/R2QKB1R w KQ - 5 8
White to move.
Themes:  Opening  
Puzzle rating: 1466
Best move: d6