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Individual Calculations September 2021 |
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| Shrauger, Alex Total change: 77.20 | |   |
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| 2021 GM Koltanowski Marathon | Berkeley, California | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1688 | 4.50 | 5 | 1.93 | 40 | 77.20 | |
|  Morgan, Jerry | | | 1492 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Auyoung, Nathan | | | 1655 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Paetz, Mark | | | 1557 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Del Rosario, Frisco | | | 1708 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Thornally, Frank | f | | 2021 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | |
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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