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Individual Calculations April 2018 |
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| Roth, Michael J Total change: -0.80 | |   |
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| Perth Congress 2018 Over-1500, Under-1900 | Perth | SCO | 2018-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1584 | 1.50 | 4 | -0.02 | 40 | -0.80 | |
|  Murray, Frankie | | | 1790 | SCO | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Moore, Robin | | | 1778 | SCO | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Hall, David G | | | 1666 | SCO | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Chadha, Sambhav | | | 1479 | SCO | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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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