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Individual Calculations March 2019 |
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| Birkett, Richard Total change: -14.80 | |   |
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| Perth Congress 2019 - Open | Perth | SCO | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 2025 | 2.00 | 4 | -0.74 | 20 | -14.80 | |
|  Jennings, Richard | | | 1908 | SCO | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Xian, Junhao | | | 1970 | CHN | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Chadha, Sambhav | | | 1637 | SCO | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Rutherford, William | | | 1961 | SCO | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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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