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Individual Calculations September 2021 |
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| Thornally, Frank Total change: -9.60 | |   |
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| 2021 GM Koltanowski Marathon | Berkeley, California | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 2021 | 3.00 | 4 | -0.48 | 20 | -9.60 | |
|  Paetz, Mark | | | 1621 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Del Rosario, Frisco | | | 1708 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Maser, Tom | | | 1756 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Shrauger, Alex | | | 1688 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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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