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Individual Calculations February 2023 |
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| Zhang, Kendrick Botong Total change: -44.08 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1888 | 4.00 | 9 | -0.50 | 38 | -19.00 | |
|  Ker, Anthony F | m | | 2269 | NZL | 0.00 | 1 | -0.09 | 38 | -3.42 | |  Liu, William Rui | | | 1760 | NZL | 1.00 | 1 | 0.33 | 38 | 12.54 | | | Timergazi, Layla | | wm | 2005 | NZL | 0.00 | 1 | -0.34 | 38 | -12.92 | | | Vanheirzeele, Daniel | | | 2056 | BEL | 0.00 | 1 | -0.28 | 38 | -10.64 | | | Qin, Oscar Shu Xuan | | | 1793 | NZL | 0.50 | 1 | -0.13 | 38 | -4.94 | | | Wang, Justin Zhide | | | 1523 | NZL | 0.50 | 1 | -0.40 | 38 | -15.20 | | | Ha, Timothy Huy Minh | | | 1656 | NZL | 1.00 | 1 | 0.21 | 38 | 7.98 | | | Sole, Michael D | | | 1890 | NZL | 0.00 | 1 | -0.50 | 38 | -19.00 | | | Thomas, Ben | | | 2038 | NZL | 1.00 | 1 | 0.70 | 38 | 26.60 | |
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 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1888 | 5.00 | 9 | -0.66 | 38 | -25.08 | |
| | Cooper, Joshua | | | 1401 | AUS | 0.50 | 1 | -0.46 | 38 | -17.48 | | | Brockman, Roland | | | 1488 * | AUS | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Hartley, James | | | 1548 | AUS | 0.50 | 1 | -0.38 | 38 | -14.44 | | | Kong, Nathan | | | 1624 | AUS | 1.00 | 1 | 0.18 | 38 | 6.84 | | | Urban, Sylvester | | | 2117 | AUS | 0.50 | 1 | 0.29 | 38 | 11.02 | | | Rujevic, Mirko | m | | 2140 | AUS | 0.00 | 1 | -0.19 | 38 | -7.22 | | | Mann, Anthony | | | 1706 | AUS | 1.00 | 1 | 0.26 | 38 | 9.88 | | | Kargosha, Bahman | c | | 2096 | AUS | 0.00 | 1 | -0.23 | 38 | -8.74 | | | Wang, Aaron Ziwen | | | 1728 | NZL | 0.50 | 1 | -0.21 | 38 | -7.98 | | | * 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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