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Individual Calculations September 2021 |
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| Thibault, William Total change: -3.20 | |   |
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| 2021 GM Koltanowski Marathon | Berkeley, California | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1576 | 1282 | 0.50 | 4 | -0.16 | 20 | -3.20 | |
|  Paetz, Mark | | | 1557 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Donaldson, John | m | | 1682 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nagel, Ralph | | | 1430 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Lesquillier, Walter | | | 1633 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | * 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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