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Individual Calculations May 2023 |
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| Xu, Luna Yuexiu Total change: -6.30 | |   |
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| ACC Autumn Cup 2023 1-3 | Auckland | NZL | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1573 | 1.50 | 2 | 0.40 | 30 | 12.00 | |
|  Pakenham, John | | | 1415 | NZL | 1.00 | 1 | 0.29 | 30 | 8.70 | |  Wang, Justin Zhide | | | 1655 | NZL | 0.50 | 1 | 0.11 | 30 | 3.30 | |
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 O2C Doeberl Cup Major | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1573 | 1.00 | 6 | -1.45 | 30 | -43.50 | |
| | Barakat, Martin | | | 1681 | AUS | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Gatzen-O`keefe, Thomas | | | 1554 | AUS | 1.00 | 1 | 0.47 | 30 | 14.10 | | | Xing, Zerui | | | 1750 | AUS | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Ni, Lucas | | | 1676 | AUS | 0.00 | 1 | -0.36 | 30 | -10.80 | | | Rumley, William | | | 1544 | AUS | 0.00 | 1 | -0.54 | 30 | -16.20 | | | O`donoghue, Malachi | | | 1649 | AUS | 0.00 | 1 | -0.40 | 30 | -12.00 | |
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) | | | | 2023 Oceania Junior Girls Championship Under 20 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1573 | 4.50 | 8 | 0.29 | 30 | 8.70 | |
| | Jigando, Mia | | | 1243 | AUS | 1.00 | 1 | 0.12 | 30 | 3.60 | | | Braganza, Nadia | | wc | 1754 | NZL | 0.50 | 1 | 0.24 | 30 | 7.20 | | | O`carroll, Om | | | 1677 | AUS | 0.50 | 1 | 0.14 | 30 | 4.20 | | | Chen, Minnie | | | 1309 | AUS | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Liu, Joy | | | 1444 | AUS | 0.50 | 1 | -0.17 | 30 | -5.10 | | | Vincent, Alaina | | wf | 1796 | AUS | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Retnaraja, Athena-Malar | | | 1514 | AUS | 1.00 | 1 | 0.42 | 30 | 12.60 | | | Feng, Angela | | | 1627 | AUS | 0.00 | 1 | -0.42 | 30 | -12.60 | |
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) | | | | 2023 North Shore Autumn B-Grade 1 | Auckland | NZL | 2023-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1573 | 1.00 | 1 | 0.08 | 30 | 2.40 | |
| | Yuan, Paul | | | 1173 * | NZL | 1.00 | 1 | 0.08 | 30 | 2.40 | | | * 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) | | | | Auckland ANZAC Weekender 2023 | Auckland | NZL | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1573 | 4.00 | 6 | 0.47 | 30 | 14.10 | |
| | Yuan, Paul | | | 1133 | NZL | 1.00 | 1 | 0.06 | 30 | 1.80 | | | Zhang, Lucas Boyu | | | 1173 * | NZL | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Zhang, Kendrick Botong | c | | 1844 | NZL | 0.50 | 1 | 0.33 | 30 | 9.90 | | | Cummings, Nick | | | 1956 | NZL | 0.50 | 1 | 0.41 | 30 | 12.30 | | | Jiang, Patrick Di | | | 1448 | NZL | 0.00 | 1 | -0.67 | 30 | -20.10 | | | Yuan, Hong | | | 1391 | NZL | 1.00 | 1 | 0.26 | 30 | 7.80 | | | * 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) | | |
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