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Individual Calculations February 2023 |
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| Archer, Ollie Total change: 28.80 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1959 | 5.00 | 9 | -1.01 | 40 | -40.40 | |
|  Yu, Zachary | | | 1719 | NZL | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Gong, Daniel Hanwen | f | | 2327 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Braganza, Nadia | | wc | 1626 | NZL | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Ha, Timothy Huy Minh | | | 1656 | NZL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Vanheirzeele, Daniel | | | 2056 | BEL | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Zhang, Jasmine Haomo | | wm | 1949 | NZL | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Masters, Andrew D | | | 1833 | SCO | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Xing, Zerui | | | 1596 | AUS | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Wang, Justin Zhide | | | 1559 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 2023 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1959 | 5.50 | 8 | 1.73 | 40 | 69.20 | |
| | Reddy, Ashok | | | 1559 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Parker, Trent | | | 1700 | AUS | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Gong, Patrick | f | | 2292 | AUS | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Mann, Anthony | | | 1706 | AUS | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Rujevic, Mirko | m | | 2140 | AUS | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Ilic, Nicholas | | | 2065 | AUS | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Solomon, Stephen J | m | | 2279 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | O`carroll, Jeremy | | | 2068 | AUS | 1.00 | 1 | 0.65 | 40 | 26.00 | | | * 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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