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Individual Calculations February 2023 |
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| Suggate, Romero Total change: -55.60 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1781 | 6.00 | 8 | 0.83 | 40 | 33.20 | |
|  Hurndell, Robert | | | 1452 | NZL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Barnett-Harris, Lucas | | | 1591 | NZL | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Wells, Clinton A. | | | 1680 | NZL | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Loke, Kayden | | | 1872 | NZL | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Kerr, Atlas | | | 1923 | NZL | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Gan, Emily Cathay | | | 1443 | NZL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Gong, Jie | | | 1464 | NZL | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Jackson, L. Ross | | | 1812 | NZL | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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 New Zealand Junior and Age Group Championships | Wellington | NZL | 2023-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1781 | 1.50 | 4 | -2.22 | 40 | -88.80 | |
| | Zhang, Yaoyuan | | | 1358 | NZL | 0.50 | 1 | -0.43 | 40 | -17.20 | | | Lu, Xiahan (luna) | | | 1303 | NZL | 0.00 | 1 | -0.95 | 40 | -38.00 | | | Tang, Tracy | | | 1378 | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Li, Bill | | | 1381 * | NZL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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