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Individual Calculations February 2023 |
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| Van Riemsdijk, Herman C. Total change: -5.30 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2265 | 6.00 | 9 | -0.28 | 10 | -2.80 | |
|  Young, Cohen | | | 1835 | NZL | 0.50 | 1 | -0.43 | 10 | -4.30 | |  Ha, Timothy Huy Minh | | | 1656 | NZL | 1.00 | 1 | 0.02 | 10 | 0.20 | | | Langford, Joshua | | | 1845 | NZL | 1.00 | 1 | 0.07 | 10 | 0.70 | | | Shoker, Samy | g | | 2491 | EGY | 0.50 | 1 | 0.29 | 10 | 2.90 | | | Moradiabadi, Elshan | g | | 2514 | USA | 0.00 | 1 | -0.19 | 10 | -1.90 | | | Zhu, David Junyang | | | 1865 * | NZL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | McLaren, Leonard J | f | | 2100 | NZL | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Braganza, Nadia | | wc | 1626 | NZL | 1.00 | 1 | 0.01 | 10 | 0.10 | | | Gong, Daniel Hanwen | f | | 2327 | NZL | 0.50 | 1 | 0.09 | 10 | 0.90 | | | * 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) | | | | Bob Wade Masters | Auckland | NZL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2265 | 4.50 | 9 | -0.25 | 10 | -2.50 | |
| | Lukey, Stephen G | f | | 2158 | NZL | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Xie, Felix | c | | 2103 | NZL | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Hague, Ben | f | | 2381 | NZL | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Vanheirzeele, Daniel | | | 2056 | BEL | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Lane, Gary W | m | | 2343 | AUS | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Moradiabadi, Elshan | g | | 2514 | USA | 0.50 | 1 | 0.31 | 10 | 3.10 | | | Smith, Robert W | f | | 2130 | NZL | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Shoker, Samy | g | | 2491 | EGY | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Stark, John | c | | 2009 | NZL | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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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