Chess puzzle (Advantage)
Opening: Vant_Kruijs_Opening, Vant_Kruijs_Opening_Other_variations
Moves: 1. e3 d5 2. b3 Nf6 3. Bb2 e6 4. Qe2 Bd7 5. Nc3 Bc6 6. O-O-O Nbd7 7. Nf3 Be7 8.
Rg1 a5 9. g4 a4 10. g5 Ne4 11. Nd4 Nxc3 12. dxc3 axb3 13. axb3 Bxg5 14. Qh5 Bh6
15. f4 Nf6 16. Qh3 Ne4 17. Qg2 g6 18. c4 O-O 19. f5 exf5 *
Position (FEN): r2q1rk1/1pp2p1p/2b3pb/3p1p2/2PNn3/1P2P3/1BP3QP/2KR1BR1 w - - 0 20
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1639
Best move: Nxf5