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Individual Calculations March 2019 |
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| Robertson, David A Total change: -6.20 | |   |
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| Perth Congress 2019 - Open | Perth | SCO | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1960 | 1.00 | 2 | -0.31 | 20 | -6.20 | |
|  Kane, Robert | | | 1864 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | |  Carter, Richard | | | 1829 | SCO | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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