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Individual Calculations August 2023 |
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| Lu, Xiahan (luna) Total change: 58.40 | |   |
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| ACC Winter Cup 2023 2-6 | Auckland | NZL | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1612 | 1.50 | 2 | -0.30 | 40 | -12.00 | |
|  Nimmakayala, Srirama Vikhyath | | | 1266 | NZL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Vasudeva, Ayaan | | | 1225 | NZL | 0.50 | 1 | -0.41 | 40 | -16.40 | |
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 NSCC Championship B 2-6 | Auckland | NZL | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1175 | 1612 | 2.00 | 2 | 0.13 | 40 | 5.20 | |
| | Schrader, Gordon | | | 1137 | NZL | 1.00 | 1 | 0.05 | 40 | 2.00 | |  Wang, Carol Huixin | | | 1212 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1500 | 4.00 | 8 | 1.63 | 40 | 65.20 | |
| | Liu, William Rui | | | 1854 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Wright, Caleb | | | 1860 | NZL | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Burgess, Ken | | | 1613 | NZL | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Cilia Vincenti, David | c | | 1928 | MLT | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Preeyansh, Roul | | | 1518 | IND | 0.50 | 1 | 0.03 | 40 | 1.20 | | | De Guzman, Jessie | | | 1625 | NZL | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Po E-Tofaeono, Hunter | | | 1581 | NZL | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Xu, Luna Yuexiu | | | 1463 | NZL | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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) | | |
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