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Individual Calculations February 2018 |
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| Qin, Joy Shu Yan Total change: 13.40 | |   |
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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 |
| 1993 | 1739 | 2.50 | 9 | 0.67 | 20 | 13.40 | |
|  Fan, Allen Chi Zhou | c | | 2073 | NZL | 1.00 | 1 | 0.88 | 20 | 17.60 | |  Hague, Ben | f | | 2139 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dowden, R. Anthony | | | 2028 | NZL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Nicholls, Leighton | | | 1906 | NZL | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Caldeira, John | | | 1779 | FIJ | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Lukey, Stephen G | f | | 2139 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Li, Xiang Wei William | | | 1958 | NZL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Rains, Edward | c | | 2008 | NZL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Jackson, L. Ross | | | 1906 | NZL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | * 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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