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Individual Calculations February 2023 |
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| Dukic, Zachary Total change: -14.60 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2270 | 5.00 | 8 | -1.07 | 20 | -21.40 | |
|  Zhou, Ruoyu | | | 1849 | USA | 0.50 | 1 | -0.43 | 20 | -8.60 | |  Pang, Ashley | | wc | 1869 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sharuda, Kameliia | | | 1870 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zhou, Jianchao | g | | 2558 | CHN | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Lin, Leo Fanyue | | | 2006 | CAN | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Matta, Nicholas F | | | 2167 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Deng, Henry | | | 2034 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Shawkat, Saif | | | 1938 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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) | | | | 2023 New York Winter Invitationals - IM C | New York, NY | USA | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2226 | 3.50 | 9 | 0.34 | 20 | 6.80 | |
| | Wang, Eigen | f | | 2308 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Huston, Gus | f | | 2253 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Narayanan, Samrug | f | | 2278 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Rautela, Saksham | m | | 2366 | IND | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Rorrer, Grayson | | | 2332 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Hardaway, Brewington | c | | 2345 | USA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Kaczur, Florian | m | | 2471 | HUN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Nakada, Akira | f | | 2304 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Yudasin, Leonid G | g | | 2393 | ISR | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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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