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Individual Calculations April 2018 |
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| Chapman, Nigel Total change: -15.00 | |   |
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| Perth Congress 2018 Over-1750 | Perth | SCO | 2018-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1756 | 0.50 | 4 | -0.75 | 20 | -15.00 | |
|  Jennings, Richard L | | | 1918 | SCO | 0.00 | 1 | -0.29 | 20 | -5.80 | |  McEwan, Peter | | | 1846 | SCO | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Galbraith, Joe | | | 1890 | SCO | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Campbell, Duncan A F | | | 1938 | SCO | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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