Chess puzzle (Crushing)
Opening: Scandinavian_Defense, Scandinavian_Defense_Main_Line
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Bg4 5. a3 Nf6 6. b4 Qb6 7. Be2 Nc6 8.
O-O O-O-O *
Position (FEN): 2kr1b1r/ppp1pppp/1qn2n2/8/1P4b1/P1N2N2/2PPBPPP/R1BQ1RK1 w - - 5 9
White to move.
Themes:  Opening  
Puzzle rating: 1554
Best move: Na4