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Individual Calculations February 2023 |
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| Park-Tamati, Philli Total change: -14.40 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1865 | 4.00 | 9 | 0.50 | 20 | 10.00 | |
|  Dive, Russell J | m | | 2232 | NZL | 0.50 | 1 | 0.40 | 20 | 8.00 | |  Langford, Joshua | | | 1845 | NZL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Qin, Oscar Shu Xuan | | | 1793 | NZL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Metge, J Nigel | | | 1932 | NZL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Cummings, Nick | | | 1995 | NZL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Ker, Anthony F | m | | 2269 | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Zhang, Jasmine Haomo | | wm | 1949 | NZL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Masters, Andrew D | | | 1833 | SCO | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Young, Cohen | | | 1835 | NZL | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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 Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1865 | 4.50 | 9 | -1.22 | 20 | -24.40 | |
| | Parikh, Rohan | | | 1388 | AUS | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Liu, Ryan Chengji | | | 1465 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Xie, Felix | c | | 2103 | NZL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Gao, James Lequan | | | 1579 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Cannon, David | f | | 2112 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Bekker, Gary D | c | | 1637 | AUS | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Wang, Justin Zhide | | | 1523 | NZL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Ilic, Nicholas | | | 2065 | AUS | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Scott, Ridley | | | 1708 | AUS | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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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