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Individual Calculations October 2021 |
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| Thornally, Frank Total change: -28.40 | |   |
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| 2021 IM John Grefe Marathon | Berkeley, California | USA | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 2010 | 3.00 | 5 | -1.42 | 20 | -28.40 | |
|  Sherwood, Peter | | | 1610 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Del Rosario, Frisco | | | 1723 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Soltani, Mohammad | | | 1610 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maser, Tom | | | 1752 | USA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Lemkin, Ben | | | 1614 | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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