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Individual Calculations April 2020 |
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| Urquhart Jr, Joe S Total change: -15.20 | |   |
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| GM Koltanowski Marathon 2020 | Berkeley, California | USA | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1856 | 1.50 | 3 | -0.38 | 40 | -15.20 | |
|  Soltani, Mohammad | | | 1456 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jirasek, Ladia | m | | 2256 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Northrup, Matthew | | | 1520 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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