Chess puzzle (Advantage)
Opening: Benoni_Defense, Benoni_Defense_Hromadka_System
Moves: 1. d4 c5 2. d5 d6 3. c4 Nf6 4. e3 g6 5. Nc3 Bg7 6. Nf3 O-O 7. Be2 a6 8. O-O
Nbd7 9. Rb1 b5 10. b3 Ng4 11. Bb2 Qa5 12. Ne4 Qxa2 13. Bxg7 Kxg7 14. Nc3 Qa5
15. Qc2 bxc4 16. bxc4 Nde5 17. h3 Bf5 *
Position (FEN): r4r2/4ppkp/p2p2p1/q1pPnb2/2P3n1/2N1PN1P/2Q1BPP1/1R3RK1 w - - 1 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1501
Best move: e4