Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Double_Spanish
Moves: 1. Nf3 Nf6 2. Nc3 Nc6 3. e4 e5 4. Bb5 Bb4 5. Bxc6 Bxc3 6. dxc3 bxc6 7. Qe2 d6
8. Bg5 Bg4 9. h3 Bh5 10. g4 Bg6 11. O-O-O h6 12. Bh4 Rb8 *
Position (FEN): 1r1qk2r/p1p2pp1/2pp1nbp/4p3/4P1PB/2P2N1P/PPP1QP2/2KR3R w k - 2 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1631
Best move: Nxe5