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Individual Calculations October 2021 |
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| Blodgett, Jay Total change: -6.40 | |   |
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| 2021 IM John Grefe Marathon | Berkeley, California | USA | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1589 | 1.00 | 3 | -0.16 | 40 | -6.40 | |
|  Svoboda, Steven | | | 1807 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Glasscoe, Alan | | | 1475 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Maser, Tom | | | 1752 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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