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Individual Calculations October 2021 |
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| Zhao, Erick Total change: -32.40 | |   |
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| 2021 Ohio Chess Congress | Akron, Ohio | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 2247 | 2.00 | 4 | -0.81 | 40 | -32.40 | |
|  Ren, Jesse | | | 1847 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Grinberg, Eyal | m | | 2491 | ISR | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Kelley, Deshawn | | | 2030 | USA | 0.00 | 1 | -0.78 | 40 | -31.20 | |  Demetruk, David E | | | 1868 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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