Chess puzzle (Advantage)
Opening: Rapport-Jobava_System, Rapport-Jobava_System_Other_variations
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nc3 e6 4. e3 c5 5. Bb5+ Bd7 6. Be2 c4 7. Nf3 a6 8. a3 b5
9. b4 cxb3 10. cxb3 Nc6 11. h3 Qa5 12. Qc1 b4 13. axb4 Qxb4 14. O-O Qxb3 15.
Rb1 Qa3 16. Bd1 Bb4 17. Na4 Qxc1 18. Rxc1 Ba5 19. Nc5 Ke7 *
Position (FEN): r6r/3bkppp/p1n1pn2/b1Np4/3P1B2/4PN1P/5PP1/2RB1RK1 w - - 3 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1853
Best move: Nxd7