[Event "Nottingham"]  [Site "?"]  [Date "1936.??.??"]  [Round "?"]  [White "Botvinnik, M."]  [Black "Vidmar, Milan Sr"]  [Result "1-0"]  [ECO "D60"]  [Annotator "IQPm: sacrifice on f7 by N"]  [PlyCount "47"]  [EventDate "1936.??.??"]  [EventType "match"]   1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 {[#]White  does not try to save a move by delaying Bd3} c5 {With a B on d3, d4 is a  little less protected and d5 is a little less attacked, so this is better than  usual} (7... dxc4 8. Bxc4 c5 9. O-O cxd4 10. exd4) 8. O-O cxd4 9. exd4 dxc4 10.  Bxc4 {[#]The classic IQP position.} Nb6 11. Bb3 Bd7 12. Qd3 (12. d5 {is a good  idea when it doesn't lose a pawn} exd5 13. Nxd5 (13. Bxf6) 13... Nfxd5 14. Bxd5  ) 12... Nbd5 (12... Nfd5 $1 {achieving exchanges}) 13. Ne5 {It's nice to get  into e5 without worrying about it being swapped off} Bc6 14. Rad1 Nb4 15. Qh3  $1 Bd5 (15... a6 16. Nxf7 $1) 16. Nxd5 {Now White has two Bishops and will  attack the weakened light squares.} Nbxd5 17. f4 $1 Rc8 18. f5 exf5 19. Rxf5  Qd6 $2 {[#]} 20. Nxf7 $1 Rxf7 21. Bxf6 Bxf6 22. Rxd5 $1 Qc6 {[#]Lots of things  now win} 23. Rd6 (23. Rc5) (23. Rd7) 23... Qe8 (23... Qxd6 24. Qxc8+ Qd8) 24.  Rd7 {'1-0 (24) Botvinnik,M-Vidmar,M Nottingham 1936'} 1-0