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Individual Calculations March 2020 |
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| Poehlmann, Roger M Total change: -13.20 | |   |
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| IM John Grefe Marathon 2020 | Berkeley, California | USA | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 2166 | 3.00 | 4 | -0.66 | 20 | -13.20 | |
|  Soltani, Mohammad | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maser, Thomas F | | | 1796 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | |  McCargar, Scott | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shrauger, Alex Hay | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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