Chess puzzle (Advantage)
Opening: East_Indian_Defense, East_Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. Nf3 g6 3. h3 d5 4. Bf4 Bg7 5. e3 c5 6. c3 cxd4 7. exd4 O-O 8. Bd3
Qb6 9. Qc2 Nc6 10. O-O Ne4 11. Nbd2 Bf5 12. Rfe1 Nxd2 13. Qxd2 Bxd3 14. Qxd3
Qxb2 15. Reb1 Qa3 16. Rxb7 Nxd4 *
Position (FEN): r4rk1/pR2ppbp/6p1/3p4/3n1B2/q1PQ1N1P/P4PP1/R5K1 w - - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1454
Best move: Nxd4