Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Modern_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 d6 6. Bg5 Be7 7. Nc3 h6 8.
Bh4 O-O 9. O-O-O Nb4 10. Qe2 Nxa2+ *
Position (FEN): r1bq1rk1/ppp1bpp1/3p1n1p/8/4P2B/2N2N2/nPP1QPPP/2KR1B1R w - - 0 11
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 948
Best move: Nxa2