Chess puzzle (Advantage)
Opening: Kings_Knight_Opening, Kings_Knight_Opening_Normal_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. b3 Nf6 4. d3 d5 5. exd5 Nxd5 6. Bb2 Bb4+ 7. c3 Nf4 8.
cxb4 Nxb4 9. Nxe5 f6 10. Nc4 Nfxd3+ 11. Bxd3 Nxd3+ 12. Ke2 Nf4+ 13. Kf3 Qxd1+ *
Position (FEN): r1b1k2r/ppp3pp/5p2/8/2N2n2/1P3K2/PB3PPP/RN1q3R w kq - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 896
Best move: Rxd1