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Individual Calculations May 2023 |
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| Jackson, L Ross Total change: -23.20 | |   |
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| 2023 Wellington Open | Wellington | NZL | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1790 | 1.50 | 5 | -1.16 | 20 | -23.20 | |
|  Cummings, Nick | | | 1956 | NZL | 0.50 | 1 | 0.22 | 20 | 4.40 | |  Van Der Hoorn, Thomas | | | 1787 | NZL | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Jones, Christopher | | | 1390 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Archer, Ollie | | | 1988 | NZL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Keith, Matthew | | | 1620 | NZL | 0.00 | 1 | -0.72 | 20 | -14.40 | | | * 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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