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Individual Calculations September 2021 |
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| Mertens, Evan Total change: -77.60 | |   |
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| 2021 GM Koltanowski Marathon | Berkeley, California | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1565 | 1551 | 0.00 | 4 | -1.94 | 40 | -77.60 | |
|  Maser, Tom | | | 1756 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Glasscoe, Alan | | | 1486 | USA | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Soltani, Mohammad | | | 1462 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Paetz, Mark | | | 1557 | USA | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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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