Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 c6 4. a3 Be7 5. Nxe5 O-O 6. d3 d5 7. exd5 cxd5 8.
Be2 *
Position (FEN): rnbq1rk1/pp2bppp/5n2/3pN3/8/P1NP4/1PP1BPPP/R1BQK2R b KQ - 1 8
Black to move.
Themes:  Opening  
Puzzle rating: 1422
Best move: d4