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Individual Calculations May 2023 |
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| Jiang, Patrick Di Total change: 7.20 | |   |
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| ACC Autumn Cup 2023 1-3 | Auckland | NZL | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1448 | 1.00 | 2 | -0.11 | 40 | -4.40 | |
|  Wells, Clinton A. | | | 1672 | NZL | 0.00 | 1 | -0.22 | 40 | -8.80 | |  McClory, John | | | 1096 | NZL | 1.00 | 1 | 0.11 | 40 | 4.40 | |
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) | | | | 2023 Oceania Youth Championship Under 12 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1448 | 4.00 | 7 | -0.87 | 40 | -34.80 | |
| | Yu, Lok Lan | | | 1206 | AUS | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Hong, Wilbur | | | 1674 | AUS | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Lau, Great Boyou | | | 1177 | NZL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Liu, Richard Jingjie | | | 1245 | NZL | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Somaraju, Sai Vivan Karthikeya | | | 1435 | NZL | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Tong, Justin | | | 1091 | AUS | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Wang, Yuwei | | | 1143 | AUS | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | Auckland ANZAC Weekender 2023 | Auckland | NZL | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1502 | 1448 | 4.00 | 6 | 1.16 | 40 | 46.40 | |
| | Li, Olivia | | | 1048 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mao, Daqi | | | 1979 | NZL | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Zhang, Lucas Boyu | | | 1094 | NZL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Xia, Yuehan (max) | | | 1349 | NZL | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Xu, Luna Yuexiu | | | 1573 | NZL | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Tang, Hao | | | 1969 | NZL | 0.00 | 1 | -0.03 | 40 | -1.20 | | | * 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) | | |
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