[Event "London knockout"]
[Round "4.2"]
[Site "London"]
[Date "1851"]
[White "Wyvill, Marmaduke"]
[Black "Anderssen, Adolf"]
[Result "1/2-1/2"]
[ECO "A13"]
[Opening "English Opening"]
 1. c4   e6
 2. e3   d5
 3. d4   Nf6
 4. Nc3  c5
 5. Nf3  Nc6
 6. a3   a6
 7. b3   b6
 8. Be2  Bb7
 9. O-O  Rc8
10. Bb2  cxd4
11. Nxd4 Nxd4
12. Qxd4 Be7
13. Rad1 dxc4
14. Qh4  Qc7
15. Bxc4 b5
16. Bd3  Nd5
17. Qg4  Nxc3
18. Qxg7 Rf8
19. Rc1  b4
20. axb4 Bxb4
21. Bc4  f6
22. Qxc7 Rxc7
23. Bxc3 Rg8
24. g3   Bxc3
25. Rxc3 Ke7
26. Ra1  Rd8
27. Rd3  Rxd3
28. Bxd3 Rc3
29. Bxa6 Rxb3
30. Bf1  Bf3
31. h4   Rb2
32. Bg2  Bxg2
33. Kxg2 Rb7
34. Ra5  Kf7
35. Rh5  Kg6
36. g4   h6
37. Ra5  Rc7
38. Kg3  Rb7
39. f4   Rc7
40. Ra6  Kf7
41. g5   hxg5
42. hxg5 fxg5
43. fxg5 Rc4
44. Kf3  Kg6
45. Ra5  Rh4
46. Re5  Ra4
47. e4   Ra1
48. Rb5  Ra7
49. Kf4  Re7
50. Rb1  Ra7
1/2-1/2