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Individual Calculations May 2018 |
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| Towers, Brian Total change: -5.40 | |   |
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| 18th 4NCL Congress Open | Doncaster | ENG | 2018-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1785 | 1.00 | 5 | -0.27 | 20 | -5.40 | |
|  Jarmany, John | | | 2114 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Macdonald, Paul | | | 2002 | NZL | 1.00 | 1 | 0.78 | 20 | 15.60 | |  Yoon, Jacob D | | | 2004 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Burnett, Jim | | | 2105 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Stephenson, David W | | | 1730 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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