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Individual Calculations October 2021 |
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| Brock, William H Total change: -36.80 | |   |
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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 |
| 1749 | 1934 | 2.50 | 6 | -1.84 | 20 | -36.80 | |
|  Williams, Justus | f | | 2334 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Danilyan, Eduard | | | 1554 | USA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Zhang, Daniel Y | | | 1627 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Aaron, Michael E | | | 1650 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Rao, Anjaneya | | | 1635 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Xia, Ruoxiao | | | 1692 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | * 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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