Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. cxd5 exd5 5. Qb3 Nc6 6. Nf3 Nf6 7. Bg5 Bb4 8.
Bxf6 Bxc3+ 9. bxc3 Qxf6 10. Qxd5 O-O 11. Ne5 Rad8 12. Qc5 b6 13. Qb5 Nxe5 14.
dxe5 Qg5 15. Qb2 Be4 16. f3 Bc6 17. c4 Rfe8 18. e4 Qh4+ 19. g3 Qh5 20. Be2 Rxe5
21. O-O Re6 22. Rad1 Rde8 23. f4 Qc5+ 24. Qd4 Rxe4 25. Qxc5 bxc5 26. Bf3 R4e6
27. Bxc6 Rxc6 28. Rfe1 Rce6 29. Rxe6 fxe6 30. Rd7 e5 31. Rxc7 exf4 32. gxf4 Re2
33. a4 Ra2 34. Rxa7 Rc2 35. a5 Rxc4 36. Rc7 Rxf4 *
Position (FEN): 6k1/2R3pp/8/P1p5/5r2/8/7P/6K1 w - - 0 37
White to move.
Themes: Advanced Pawn, Attacking f2 or f7, Attraction Endgame, Rook Endgame  
Puzzle rating: 1511
Best move: a6