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Individual Calculations October 2021 |
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| Paetz, Mark Total change: 10.80 | |   |
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| 2021 IM John Grefe Marathon | Berkeley, California | USA | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1652 | 1562 | 2.50 | 5 | 0.54 | 20 | 10.80 | |
|  Nelson, Carl | | | 1466 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | |  Yanofsky, Kevin | | | 1817 | USA | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Morgan, Jerry | | | 1480 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Shrauger, Alex | | | 1688 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Svoboda, Steven | | | 1807 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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