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Individual Calculations April 2023 |
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| Cheng, Claire Total change: 20.40 | |   |
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| 31st annual Eastern Class Championships - Class A | Windsor Locks, CT | USA | 2023-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1358 | 1.00 | 2 | 0.51 | 40 | 20.40 | |
|  Zhao, Kevin | | | 1620 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | |  Qiao, Ethan | | | 1501 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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