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Individual Calculations July 2023 |
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| Ladson, Preston Total change: 19.60 | |   |
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| 17th annual Philadelphia Open - U2100 | Philadelphia, PA | USA | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1447 | 1.50 | 3 | 0.49 | 40 | 19.60 | |
|  Carey, Michael P | | | 1860 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Ayithi, Yashaswini | | | 1395 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Weyman, Grant A | | | 1541 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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