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Individual Calculations May 2023 |
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| Tang, Hao Total change: 21.20 | |   |
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| 2023 Wellington Open | Wellington | NZL | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1969 | 4.50 | 6 | 0.52 | 20 | 10.40 | |
|  Keith, Matthew | | | 1620 | NZL | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Gold, Hamish R | | | 1601 | NZL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Winter, Ryan | | | 2032 | NZL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Ker, Anthony F | m | | 2264 | NZL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Rossiter, Philip E | | | 1609 | NZL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Young, Cohen | | | 1793 | NZL | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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) | | | | Auckland ANZAC Weekender 2023 | Auckland | NZL | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1969 | 4.50 | 5 | 0.54 | 20 | 10.80 | |
| | Tao, Junqing Jerome | | | 1569 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hettiarachchi, Buthsara | | | 1579 | NZL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Zhang, Kendrick Botong | c | | 1844 | NZL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Mao, Daqi | | | 1979 | NZL | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Jiang, Patrick Di | | | 1448 | NZL | 1.00 | 1 | 0.03 | 20 | 0.60 | | | * 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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