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Individual Calculations September 2021 |
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| Zhang, Jason Total change: -5.20 | |   |
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| 26th Annual Pacific Coast Open - Under 2100 | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1403 | 0.50 | 2 | -0.13 | 40 | -5.20 | |
|  Schmitt, Ryan L | | | 1780 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Yu, Avery | | | 1376 | 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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