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Individual Calculations July 2023 |
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| Koptev, Ivan Total change: -35.60 | |   |
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| Auckland Chess Weekend June 2023 | Auckland | NZL | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1221 | 0.50 | 4 | -0.89 | 40 | -35.60 | |
|  Xu, Luna Yuexiu | | | 1601 | NZL | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Barry, Jacob | | | 1346 | NZL | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Powlesland, Brogan | | | 1365 | NZL | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Li, Olivia | | | 1107 | NZL | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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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