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Individual Calculations September 2023 |
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| Van Gelder, Allen Total change: 18.80 | |   |
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| 13th annual Central California Open - U2100 | Fresno, CA | USA | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1293 | 1.50 | 3 | 0.47 | 40 | 18.80 | |
|  Lu, Katherine Sunny | | | 1403 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Andranigian, Rafi | | | 1605 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Pramod, Pranavi | | | 1261 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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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