Individual Calculations October 2021 |
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Hahn, David Total change: 4.40 | | |
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2021 Michigan Open | Lansing, Michigan | USA | 2021-09-03 |
Rc | Ro | w | n | change | K | K*chg | Game |
1923 | 1858 | 2.00 | 4 | 0.22 | 20 | 4.40 | |
| Mathiyazhagan, Ashrith | | | 1584 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | Lopez, Mauro | | | 2147 | MEX | 0.50 | 1 | 0.34 | 20 | 6.80 | | Das, Ayush | | | 1704 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | Posthuma, Joshua | f | | 2258 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | * 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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