Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. e4 Bg7 3. c4 Nf6 4. f3 Nc6 5. Be3 d6 6. Ne2 O-O 7. Qd2 e5 8. Nbc3
exd4 9. Nxd4 Nh5 10. O-O-O Ne5 11. Be2 c5 12. Ndb5 Be6 13. Nxd6 Qb6 14. Na4 Qa6
15. b3 b6 16. Nc3 Rfd8 17. f4 Ng4 18. e5 Nxe3 *
Position (FEN): r2r2k1/p4pbp/qp1Nb1p1/2p1P2n/2P2P2/1PN1n3/P2QB1PP/2KR3R w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 860
Best move: Qxe3