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Individual Calculations September 2023 |
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| Tkachenko, Erik Total change: 7.60 | |   |
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| 2023 Bill Wright Saint Louis Open | Saint Louis, Missouri | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2038 | 2.50 | 4 | 0.38 | 20 | 7.60 | |
|  Proleiko, Julian | | | 2188 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Kamesh, Vidyuth | | | 1638 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ponukumati, Aditya | | | 2008 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Fast, Nathaniel | | | 2138 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | * 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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