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Individual Calculations September 2021 |
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| Maser, Tom Total change: 0.40 | |   |
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| 2021 GM Koltanowski Marathon | Berkeley, California | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1756 | 2.00 | 4 | 0.02 | 20 | 0.40 | |
|  Mertens, Evan | | | 1551 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Thornally, Frank | f | | 2021 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Thieme, Steffen | | | 2003 | GER | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Soltani, Mohammad | | | 1462 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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