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Individual Calculations February 2023 |
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| Qiu, Peter Yong Total change: -46.00 | |   |
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| 32nd annual North American Open - U2300 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1741 | 2.50 | 7 | -1.34 | 40 | -53.60 | |
|  Marshall, Mario V | | | 1977 | JAM | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Xu, Gordon Zhenyu | | | 1749 | USA | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Vellore, Inay | | | 1341 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Briceno Ovalles, Diomenesdejesus | | | 2061 | VEN | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ghosh, Yohan | | | 1605 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Elam, Cj | | | 1745 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Shankarappu, Tanish | | | 1322 | USA | 1.00 | 1 | 0.07 | 40 | 2.80 | | | * 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) | | | | 2023 Seattle New Years Open -- Open Section | Seattle, WA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1741 | 2.50 | 5 | 0.19 | 40 | 7.60 | |
| | Lavoice, Richard | | | 1819 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Aliyev, Timur | | | 2260 | ISR | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Wong-Godfrey, Emerson P | | | 1479 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Tisserand, Miles | | | 1855 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Fletcher, Andrew James | | | 1565 | USA | 0.00 | 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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