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Individual Calculations February 2018 |
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| James, Jack Total change: -44.80 | |   |
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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 |
| 1908 | 2064 | 4.00 | 9 | -2.06 | 20 | -41.20 | |
|  Salasan, Haran | | | 1664 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Li, Rodney Xiang Rei | | | 1664 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ang, Alphaeus Wei Ern | c | | 2219 | NZL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Duneas, John | c | | 2035 | NZL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Seabrook, Roy | | | 1784 | NZL | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Jackson, L. Ross | | | 1906 | NZL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Yan, Caroline | | | 1759 | NZL | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Lukey, Stephen G | f | | 2179 | NZL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Milligan, Helen | c | wf | 1958 | NZL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | * 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) | | | | Palmy Knights Open 2018 | Palmerston North | NZL | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 2064 | 3.50 | 5 | -0.18 | 20 | -3.60 | |
| | Cooper, Nigel | | | 1692 | NZL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Post, Martin | | | 1850 | NZL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Lyall, Simon | | | 1760 | NZL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Noble, Mark Frederick | f | | 2206 | NZL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Seabrook, Roy | | | 1784 | NZL | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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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