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Individual Calculations October 2021 |
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| Liu, Patrick Total change: 146.00 | |   |
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| 2021 Howard Donnelly Memorial Championship - 2000 Plus | San Francisco, California | USA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1567 | 3.00 | 5 | 1.39 | 40 | 55.60 | |
|  Coyne, Theodore | | | 1967 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Heidari, Ako | | | 1790 | IRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Qin, Vincent | | | 1625 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Hao, Max | | | 1516 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Guo, Andrew | | | 1702 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | * 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) | | | | 2021 SJCC Fall Championship | Milpitas, California | USA | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1567 | 3.50 | 5 | 2.26 | 40 | 90.40 | |
| | Liang, Yu-Cheng | | | 1816 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Uribe, Luiz | | | 1764 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Chubakov, Sultan | | | 1919 | KGZ | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Qin, Vincent | | | 1625 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Tia, Rudy | | | 1746 | PNG | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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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