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Individual Calculations October 2021 |
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| Lehmann, Spencer George Total change: -10.00 | |   |
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| 2021 Illinois Open State Championship - Open | Northbrook, Illinois | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2245 | 5.00 | 7 | -0.50 | 20 | -10.00 | |
|  Shetty, Anshul P | | | 1845 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gronski, Gabriel W | | | 1845 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gulecyuz, Deniz Alp | | | 1933 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pangan, Camilo C | f | | 2100 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Williams, Justus | f | | 2385 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Pullin, Matt | | | 1907 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Heller, Jack | | | 1845 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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