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Individual Calculations April 2018 |
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| James, Chris Total change: 37.20 | |   |
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| Perth Congress 2018 Over-1750 | Perth | SCO | 2018-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 1876 | 3.00 | 4 | 1.86 | 20 | 37.20 | |
|  Donohue, Tom | | | 1955 | SCO | 1.00 | 1 | 0.61 | 20 | 12.20 | |  Wynarczyk, Raymond | | | 1926 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Orr, Mark J L | m | | 2144 | IRL | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Olson, Hamish | | | 2175 | SCO | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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