If you know the percentage of possible tournament points you scored against another player or you know your percentage TP score for a whole tournament, find your TP % score in the following table and add the rating points in the Diff. column to the average ranking of your opponents to find your Elo rating for that match/tournament. Remember that this rating will be averaged into your previous rating to obtain your new published rating.
TP (%)
Diff.
TP (%)
Diff.
50
0
50
0
49
-14
51
14
48
-28
52
28
47
-43
53
43
46
-57
54
57
45
-71
55
71
44
-85
56
85
43
-100
57
100
42
-114
58
114
41
-129
59
129
40
-143
60
143
39
-158
61
158
38
-173
62
173
37
-188
63
188
36
-203
64
203
35
-218
65
218
34
-233
66
233
33
-249
67
249
32
-265
68
265
31
-280
69
280
30
-297
70
297
29
-313
71
313
28
-330
72
330
27
-347
73
347
26
-364
74
364
25
-382
75
382
24
-400
76
400
23
-418
77
418
22
-437
78
437
21
-456
79
456
20
-476
80
476
19
-497
81
497
18
-518
82
518
17
-540
83
540
16
-563
84
563
15
-586
85
586
14
-611
86
611
13
-637
87
637
12
-665
88
665
11
-694
89
694
10
-725
90
725
9
-758
91
758
8
-795
92
795
7
-835
93
835
6
-880
94
880
5
-930
95
930
4
-990
96
990
3
-1064
97
1064
2
-1162
98
1162
1
-1316
99
1316
0
-1600*
100
1600*
* : the theoretical differences at 0 and 100 % are actually +/- infinity.
Further information:
The following links contain even more information - the less technical notes are starred:
The date and time are :
Thursday, 24-Jul-2008 17:45:23 GMT
Thursday, 24-Jul-2008 18:45:23 BST (local)
This file was last modified on Monday, 10-Mar-2003 20:05:05 GMT