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Individual Calculations September 2021 |
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| Chen, Ryo Wenyu Total change: -34.40 | |   |
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| 2nd Annual John D. Rockefeller III National Tournament of Elementary School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2320 | 2.00 | 3 | -0.76 | 20 | -15.20 | |
|  Wang, Alexander J | | | 1920 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Golsefidy, Sepehr | | | 1920 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Deng, Henry | | | 1920 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | 51st Annual Continental Open - Master | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2358 | 5.50 | 9 | -0.73 | 20 | -14.60 | |
| | Song, Alan | | | 2076 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Sevian, Samuel | g | | 2647 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Shanmugasundaram, Rajesh | | | 2150 | IND | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Sriniaiyer, Sudarshan | | | 2136 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Chiu, Isaac | | | 2250 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Kavi, Nithin | | | 2132 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Poliannikov, Danila | f | | 2320 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Senft, Sean | | | 2105 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Krishnakumar, Sriram | c | | 2026 | 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) | | | | Houston Summer Championship 2021 | Houston, Texas | USA | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 2358 | 4.00 | 5 | -0.23 | 20 | -4.60 | |
| | Wu, Aaron | | | 1958 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pathak, Rudransh | | | 1958 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tran, Minh Binh | | | 1958 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Walmer, Benjamin | | | 1958 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Burnett, Ronald Wa | m | | 2325 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | * 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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