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Individual Calculations October 2021 |
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| Barretto, Ryan Sanjay Total change: -4.80 | |   |
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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 |
| 1926 | 1865 | 2.50 | 6 | -0.12 | 40 | -4.80 | |
|  Williams, Justus | f | | 2265 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gronski, Gabriel W | | | 1826 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Zinski, Maximilian | | | 2078 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Hamilton, Mark | | | 1812 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Velazquez, Kevin | | | 1940 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Mu, Grant | | | 1636 | USA | 0.00 | 1 | -0.79 | 40 | -31.60 | | | * 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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