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Individual Calculations April 2020 |
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| Soltani, Mohammad Total change: 30.20 | |   |
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| GM Koltanowski Marathon 2020 | Berkeley, California | USA | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1450 | 2.00 | 3 | 0.98 | 20 | 19.60 | |
|  Glasscoe, Alan | | | 1510 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | |  Trestor, David J | | | 1627 | USA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Agdamag, Samuel | | | 1576 | USA | 1.00 | 1 | 0.67 | 20 | 13.40 | |
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 Senior Championship 2020 | Berkeley, California | USA | 2020-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1432 | 1.00 | 4 | 0.53 | 20 | 10.60 | |
| | Watson, Farid Mark | | | 1832 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dutter, Fredric | | | 1734 | USA | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Walder, Michael | | | 1832 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Del Rosario, Frisco | | | 1715 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * 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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