Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 Qb6 6. Qb3 Na6 7. Qxb6 axb6 8.
Bxf6 gxf6 9. a3 c5 10. e3 e5 11. dxe5 fxe5 12. Nxe5 Bg7 13. f4 d4 14. exd4 cxd4
15. Ne2 d3 16. Nc3 Nc5 17. Nxd3 Nb3 18. Rb1 Nd4 19. Be2 O-O 20. Kf2 Re8 21.
Rhe1 Bf5 22. Rbd1 Nc2 23. Rf1 *
Position (FEN): r3r1k1/1p3pbp/1p6/5b2/2P2P2/P1NN4/1Pn1BKPP/3R1R2 b - - 12 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 2022
Best move: Bd4+