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Individual Calculations February 2023 |
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| Tang, Hao Total change: 57.40 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1912 | 4.00 | 8 | 0.10 | 20 | 2.00 | |
|  Moradiabadi, Elshan | g | | 2514 | USA | 0.00 | 1 | -0.02 | 20 | -0.40 | |  Qin, Oscar Shu Xuan | | | 1793 | NZL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Wang, Justin Zhide | | | 1523 | NZL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Young, Cohen | | | 1835 | NZL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Winter, Ryan | | | 2015 | NZL | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Ker, Anthony F | m | | 2269 | NZL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Liu, William Rui | | | 1760 | NZL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Sole, Michael D | | | 1890 | NZL | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | Bob Wade Challengers | Auckland | NZL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1912 | 7.50 | 9 | 2.53 | 20 | 50.60 | |
| | Lane, Ryan | | | 1825 | AUS | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Punsalan, Vyanla M | | wf | 1989 | NZL | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Forster, William | c | | 1799 | NZL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Lim, Benjamin U | c | | 1866 | NZL | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Patterson, Miles | | | 1951 | AUS | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Kerr, Grant | | | 1768 | NZL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Mao, Daqi | | | 1901 | NZL | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Qin, Oscar Shu Xuan | | | 1793 | NZL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Cilia Vincenti, David | c | | 1964 | MLT | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | 2023 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1912 | 6.00 | 9 | 0.24 | 20 | 4.80 | |
| | Higgins, Wade | | | 1433 | AUS | 0.00 | 1 | -0.95 | 20 | -19.00 | | | Kong, Dexuan | | | 1512 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Xing, Zerui | | | 1596 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Parker, Trent | | | 1700 | AUS | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Jager, Jesse | | | 2131 | AUS | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Kethro, Michael | f | | 2149 | AUS | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Tang, Terrence | | | 1641 | AUS | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Clarke, Matthew | | | 2104 | AUS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Guse, Jerzy | | | 1723 | AUS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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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