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Individual Calculations February 2023 |
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| Ray, Charlotte Total change: 9.20 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1418 | 2.50 | 7 | -0.13 | 40 | -5.20 | |
|  Knightbridge, Wayne | | | 1613 | NZL | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Charles, Dion | | | 1783 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Zhang, Franklyn | | | 1084 | NZL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | McDonald, Duncan | | | 1469 | NZL | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Brockway, Andrew | | | 1548 | NZL | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Ashe, Michael | | | 1522 | NZL | 1.00 | 1 | 0.64 | 40 | 25.60 | | | List, Robert | | | 1576 | NZL | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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 Oceania Zonal 3.6 Women | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1418 | 4.00 | 9 | 0.36 | 40 | 14.40 | |
| | Cheng, Chao Xin | | | 1806 | AUS | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Hardegen, Kathryn | | wf | 1887 | AUS | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Prasad, Tanvi Radha | | | 1315 | FIJ | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Lyons, Kieran C | | wf | 1747 | FIJ | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Chen, Minnie | | | 1265 | AUS | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Morrison, Jennifer | | | 1643 | AUS | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Katakam, Deethya Sai | | | 1298 | AUS | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Ollet, Myra | | wc | 1441 | GUM | 0.50 | 1 | 0.03 | 40 | 1.20 | | | De Vas, Senudi | | | 1276 | AUS | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | |
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