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Individual Calculations February 2018 |
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| Li, Rodney Xiang Rei Total change: -2.80 | |   |
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| New Zealand Open including 125th Championship | Palmerston North | NZL | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1487 | 1.00 | 9 | -0.13 | 40 | -5.20 | |
|  Jule, Alexandra | | wm | 1887 * | AUS | 0.50 | 1 | 0.42 | 40 | 16.80 | |  James, Jack | c | | 1887 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yan, Caroline | | | 1759 | NZL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Caldeira, John | | | 1779 | FIJ | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Li, Xiang Wei William | | | 1887 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Savige, Colin B | | | 1887 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nicholls, Leighton | | | 1887 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Milligan, Helen | c | wf | 1887 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Qin, Nicole Shu Yu | | wc | 1613 | NZL | 0.50 | 1 | 0.17 | 40 | 6.80 | | | * 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) | | | | New Zealand Junior Open 2018 | Palmerston North | NZL | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1487 | 2.50 | 5 | 0.06 | 40 | 2.40 | |
| | Picken, Oliver | c | | 1769 | NZL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Yuan, Kimberley | | | 1240 | NZL | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Steadman, Mathew | | | 1509 | NZL | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Calitz, Hananke | | | 1699 | NZL | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Li, Leo Xiang Yu | | | 1277 | NZL | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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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