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Individual Calculations May 2018 |
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| Macdonald, Paul Total change: -26.80 | |   |
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| Wellington Easter Open 2018 | Wellington | NZL | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 2002 | 3.00 | 6 | -0.37 | 20 | -7.40 | |
|  Wevers, Alexis | | | 1661 | NZL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Rossiter, Philip E | | | 1773 | NZL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Timergazi, Layla | | wm | 1958 | NZL | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Chen, Wei Kai | | | 1690 | NZL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Croad, Nicholas | f | | 2294 | NZL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Dive, Russell J | m | | 2318 | NZL | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | 18th 4NCL Congress Open | Doncaster | ENG | 2018-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2002 | 1.50 | 4 | -0.97 | 20 | -19.40 | |
| | Brown, Martin | f | | 2265 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Towers, Brian | | | 1785 | ISR | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Rahulan, Thivyaa | | | 1839 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Sheppard, Derek Alan | | | 1767 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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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