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Individual Calculations February 2023 |
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| Zhu, David Junyang Total change: 56.00 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1583 | 2.50 | 8 | 1.72 | 40 | 68.80 | |
|  Cilia Vincenti, David | c | | 1964 | MLT | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Cummings, Nick | | | 1995 | NZL | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Thomas, Ben | | | 2038 | NZL | 1.00 | 1 | 0.94 | 40 | 37.60 | | | Sole, Michael D | | | 1890 | NZL | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Van Riemsdijk, Herman C. | m | | 2265 | BRA | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Winter, Ryan | | | 2015 | NZL | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Metge, J Nigel | | | 1932 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Qin, Oscar Shu Xuan | | | 1793 | NZL | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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 |
| 1699 | 1583 | 2.00 | 6 | -0.32 | 40 | -12.80 | |
| | Cannon, David | f | | 2112 | AUS | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Ong, Jonathan Si Seng | | | 1268 | AUS | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Siva Sankaran, Anup Kumar | | | 1845 | AUS | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Sayce, Hannah | | | 1320 | AUS | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Guse, Jerzy | | | 1723 | AUS | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Kerr, Atlas | | | 1923 | NZL | 0.50 | 1 | 0.38 | 40 | 15.20 | |
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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