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Individual Calculations February 2020 |
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| Bortnyk, Olexandr Total change: 1.60 | |   |
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| PNWCC FIDE Open WoW Xiong - Mt. Rainier | Kirkland, Washington | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2436 | 2596 | 6.00 | 9 | -0.30 | 10 | -3.00 | |
|  Cozianu, Costin | f | | 2368 | ROU | 0.50 | 1 | -0.29 | 10 | -2.90 | |  Arjun, Vishnuvardhan | m | | 2220 | IND | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Sheng, Joshua | m | | 2485 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Zhu, Jack Qijie | | | 2350 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Li, Zhaozhi | m | | 2421 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Zhou, Jianchao | g | | 2623 | CHN | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Bortnyk, Mykola | m | | 2485 | UKR | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Xu, Yi | g | | 2542 | CHN | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Hong, Andrew Zhang | m | | 2428 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | |
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) | | | | 6th Annual Gulf Coast New Year's Open | Estero, FL | USA | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2596 | 3.00 | 3 | 0.46 | 10 | 4.60 | |
| | Zlotnikov, Mikhail | m | | 2245 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Leyva Rivera, Yunier | m | | 2424 | CUB | 1.00 | 1 | 0.27 | 10 | 2.70 | | | La Rota, Fabio | f | | 2196 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | |
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