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Individual Calculations February 2022 |
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| Wu, Sibo Total change: 0.20 | |   |
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| 31st Annual North American Open - Under 2300 | Las Vegas, Nevada | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 2091 | 5.00 | 7 | -0.11 | 20 | -2.20 | |
|  Coy, Matthew Miller | | | 1729 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Guo, Ethan | | | 1691 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liu, Aiden Q | | | 1691 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Onyekwere, Chikwere Godwin | c | | 2208 | NGR | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Foerster-Yialamas, Lucas | c | | 1965 | GER | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Ray, Ujan | | | 1691 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Osmonbekov, Talaibek D | | | 2136 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | * 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) | | | | 10th Annual Boston Chess Congress - Premier | Boston, Massachusetts | USA | 2022-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 2091 | 1.00 | 1 | 0.12 | 20 | 2.40 | |
| | He, Henry | | | 1752 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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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