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Individual Calculations October 2023 |
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| Platnick, Elijah Samuel Total change: -46.20 | |   |
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| 2023 Illinois Open State Championship - Open section | Northbrook, IL | USA | 2023-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 2055 | 2.00 | 6 | -2.31 | 20 | -46.20 | |
|  Craigmile, Charles H | | | 1655 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Aaron, Michael E | | | 1670 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Kogen, Jonathan | | | 2191 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | McClanahan, Bryce | | | 1885 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Brock, William H | | | 1796 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Barretto, Ryan Sanjay | | | 1967 | USA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | * 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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