Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. a3 Bxc3+ 6. Qxc3 cxd4 7. Qxd4 Nc6 8.
Qc3 h6 9. e3 d5 10. Nf3 O-O 11. Be2 dxc4 12. Bxc4 Bd7 13. O-O Rc8 14. b3 a6 15.
Qb2 b5 16. Be2 Qb6 17. Bd2 Ne4 18. Be1 Qb8 19. Rd1 Rfd8 20. Bd3 Nc5 21. Bb1 e5
22. Bc3 f6 23. Ba2 Be6 *
Position (FEN): 1qrr2k1/6p1/p1n1bp1p/1pn1p3/8/PPB1PN2/BQ3PPP/3R1RK1 w - - 2 24
White to move.
Themes:  Middlegame  
Puzzle rating: 1017
Best move: b4