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Individual Calculations October 2023 |
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| Feng, Jay Total change: -4.40 | |   |
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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 |
| 1668 | 1738 | 3.50 | 6 | -0.11 | 40 | -4.40 | |
|  Kogen, Jonathan | | | 2191 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Hamilton, Mark | | | 1710 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Von Hoff, Christopher | | | 1529 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Cardozo, Brandon Anthony | | | 1338 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Drucker, Jack | | | 1620 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Munaganuri, Vamsi | | | 1619 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | * 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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