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Individual Calculations January 2020 |
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| Poehlmann, Roger M Total change: 29.40 | |   |
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| Berkeley Club Championship 2019 | Berkeley, California | USA | 2019-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 2133 | 6.00 | 7 | 1.47 | 20 | 29.40 | |
|  Morgan, Jerry | | | 1733 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hakobyan, Sos | | | 1798 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jirasek, Ladia | m | | 2366 | USA | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Walder, Michael | | | 1922 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Winslow, Elliott C | m | | 2101 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Gaffagan, Steven | | | 1983 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Heredia, Carla | | wg | 2126 | ECU | 0.50 | 1 | -0.01 | 20 | -0.20 | | | * 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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