Chess puzzle (Advantage)
Opening: Hungarian_Opening, Hungarian_Opening_Symmetrical_Variation
Moves: 1. g3 g6 2. e4 e5 3. Bg2 Bg7 4. Nc3 Ne7 5. Nge2 Nbc6 6. O-O d6 7. a3 a5 8. b3
O-O 9. Nd5 Nxd5 10. exd5 Ne7 11. c4 f5 12. d3 e4 13. dxe4 *
Position (FEN): r1bq1rk1/1pp1n1bp/3p2p1/p2P1p2/2P1P3/PP4P1/4NPBP/R1BQ1RK1 b - - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1045
Best move: Bxa1