Chess puzzle (Advantage)
Opening: Benoni_Defense, Benoni_Defense_Hromadka_System
Moves: 1. d4 c5 2. d5 d6 3. c4 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Qc2 O-O 7. e4 Nbd7 8. Bd3
a6 9. O-O Ng4 10. a4 Nde5 11. Nxe5 Nxe5 12. Be2 e6 13. f4 Ng4 *
Position (FEN): r1bq1rk1/1p3pbp/p2pp1p1/2pP4/P1P1PPn1/2N5/1PQ1B1PP/R1B2RK1 w - - 1 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1023
Best move: Bxg4