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Individual Calculations April 2023 |
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| Qiao, Ethan Total change: 56.80 | |   |
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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 |
| 1593 | 1501 | 3.00 | 4 | 1.42 | 40 | 56.80 | |
|  Pedrosa, Jose David | | | 1628 | PUR | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Todhunter, James W | | | 1545 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Lawrence, Albert J | | | 1840 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Cheng, Claire | | | 1358 | USA | 1.00 | 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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