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Individual Calculations November 2023 |
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| Johnson, Quentin J F Total change: -1.20 | |   |
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| 74th South Island Chess Championship 2023 | Oamaru | NZL | 2023-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1941 | 4.00 | 7 | -0.06 | 20 | -1.20 | |
|  Summers, Paul G | | | 1799 | AUS | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Lee, Dylan E S | | | 1541 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stark, John | c | | 1980 | NZL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | McNabb, Matthew D | | | 2039 | NZL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Liu, William Rui | | | 1768 | NZL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Zhang, Kendrick Botong | c | | 1838 | NZL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Lukey, Stephen G | f | | 2127 | NZL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | * 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) | | |
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