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Individual Calculations September 2021 |
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| Zhou, Tony Total change: -17.20 | |   |
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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 |
| 1656 | 1504 | 0.50 | 3 | -0.43 | 40 | -17.20 | |
|  Andranigian, Armen | | | 1735 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Ribaya, Adler Luis R | | | 1488 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Gumbe, Farirai | | | 1745 | ZIM | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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