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Individual Calculations May 2023 |
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| Young, Cohen Total change: 52.40 | |   |
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| 2023 Wellington Open | Wellington | NZL | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1793 | 3.00 | 5 | 0.58 | 40 | 23.20 | |
|  Moshakova, Elena | | | 1373 | RUS | 1.00 | 1 | 0.07 | 40 | 2.80 | | | Sova, Leo | | | 1393 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Archer, Ollie | | | 1988 | NZL | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Ker, Anthony F | m | | 2264 | NZL | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Tang, Hao | | | 1969 | NZL | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | George Trundle Masters 2023 | Auckland | NZL | 2023-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1793 | 5.50 | 8 | 0.73 | 40 | 29.20 | |
| | Wells, Clinton A. | | | 1672 | NZL | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Thurner, Anya | | | 1732 | NZL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Ang, Alphaeus Wei Ern | f | | 2288 | NZL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Yu, Weiyang | | | 1582 | NZL | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Yu, Zachary | | | 1800 | NZL | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Chang, Yolanda | | | 1590 | NZL | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Zhu, David Junyang | | | 1639 | NZL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | McDonald, Duncan | | | 1588 | NZL | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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