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Individual Calculations September 2021 |
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| Glasscoe, Alan Total change: 17.60 | |   |
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| 2021 GM Koltanowski Marathon | Berkeley, California | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1486 | 2.00 | 3 | 0.88 | 20 | 17.60 | |
|  Mertens, Evan | | | 1551 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Shaughnessy, Elizabeth | | | 1421 | IRL | 1.00 | 1 | 0.41 | 20 | 8.20 | |  Yanofsky, Kevin | | | 1817 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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) | | |
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