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Individual Calculations May 2019 |
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| Walder, Michael Total change: -23.40 | |   |
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| 2019 GM Koltanowski Memorial | Berkeley, California | USA | 2019-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 1879 | 1.50 | 4 | -0.79 | 20 | -15.80 | |
|  Soltani, Mohammad | | | 1516 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Jirasek, Ladia | f | | 2279 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Maser, Thomas | | | 1843 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Aung, Grant | | | 1673 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | * 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) | | | | Berkeley Weekender April 2019 | Berkeley, California | USA | 2019-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1900 | 0.00 | 1 | -0.38 | 20 | -7.60 | |
| | Yan, Rui Yang | | | 1986 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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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