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Individual Calculations February 2023 |
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| Tao, Junqing Jerome Total change: -24.40 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1350 | 0.50 | 5 | -0.94 | 40 | -37.60 | |
|  Gold, Hamish | | | 1627 | NZL | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Holdo, Karl | | | 1511 | NZL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Gong, Jie | | | 1464 | NZL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Hwang, Ryan | | | 1425 | NZL | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Malcolm, Aidan | | | 1553 | NZL | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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 |
| 1595 | 1350 | 0.50 | 3 | -0.09 | 40 | -3.60 | |
| | Braganza, Nadia | | wc | 1626 | NZL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Barnett-Harris, Lucas | | | 1591 | NZL | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Gilmore, Blake | | | 1569 | NZL | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | 2023 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1350 | 2.00 | 7 | 0.42 | 40 | 16.80 | |
| | Young, Cohen | | | 1835 | NZL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Tang, Terrence | | | 1641 | AUS | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Yang, Bochen | | | 1129 | AUS | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Xing, Zerui | | | 1596 | AUS | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Kalina, Leo | | | 1634 | AUS | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Li, Jason | | | 1669 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Radisich, Matt | | | 1676 | AUS | 1.00 | 1 | 0.87 | 40 | 34.80 | |
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) | | |
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