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Individual Calculations August 2021 |
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| Zhao, Erick Total change: 84.00 | |   |
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| 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2037 | 4.00 | 9 | 1.93 | 40 | 77.20 | |
|  Abrahamyan, Tatev | | wg | 2352 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Hakobyan, Eduard | | | 2190 | USA | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Adu, Oladapo Oluto | m | | 2220 | NGR | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Paul, Justin | f | | 2293 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Wang, Tianqi | | | 2336 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Kolay, Alex | | | 2203 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Sanchez Alvarez, Roberto Carlos | m | | 2409 | PAN | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Narayanan, Samrug | c | | 2180 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Rowe, Duane | c | | 2157 | JAM | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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) | | | | 22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2037 | 2.50 | 5 | 0.17 | 40 | 6.80 | |
| | Hu, Alexander C | | | 1808 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Zhou, Jianchao | g | | 2437 * | CHN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Moturi, Soureesh | | | 1931 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Itkin, David | | | 2262 | CAN | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Moore, Johnson | | | 1965 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | * 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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