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Individual Calculations July 2018 |
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| Marks, Ian A Total change: 13.80 | |   |
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| Ayr Congress 2018 - (over 1750) | Ayr | SCO | 2018-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 1917 | 2.00 | 4 | 0.69 | 20 | 13.80 | |
|  Smith, Peter R | | | 2082 | SCO | 0.50 | 1 | 0.22 | 20 | 4.40 | |  White, Stuart A | | | 2150 | SCO | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Grant, Alan G | | | 2056 | SCO | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Giulian, Rosemary A | | | 1908 | SCO | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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