Chess puzzle (Crushing)
Opening: Reti_Opening, Reti_Opening_Reti_Accepted
Moves: 1. Nf3 d5 2. c4 dxc4 3. Nc3 a6 4. g3 b5 5. Bg2 c6 6. Nd4 Qb6 7. e3 Bb7 8. O-O
e5 9. Nf5 Ne7 *
Position (FEN): rn2kb1r/1b2nppp/pqp5/1p2pN2/2p5/2N1P1P1/PP1P1PBP/R1BQ1RK1 w kq - 2 10
White to move.
Themes:  Opening  
Puzzle rating: 1172
Best move: Nd6+