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Individual Calculations May 2019 |
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| Duneas, John Total change: 28.60 | |   |
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| North Island Championship 2019 | Wellington | NZL | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 2083 | 5.50 | 8 | 0.46 | 20 | 9.20 | |
|  Heppenstall, Lara | | | 1685 | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rossiter, Philip E | | | 1768 | NZL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Croad, Nicholas | f | | 2307 | NZL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Dowden, R Anthony | | | 2066 | NZL | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Nagorski, Alex | c | | 1797 | NZL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Wastney, Scott | f | | 2277 | NZL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Wells, Clinton A | | | 1933 | NZL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Nyberg, Michael | | | 1907 | NZL | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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) | | | | Auckland ANZAC Weekender 2019 | Auckland | NZL | 2019-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 2083 | 4.50 | 5 | 0.97 | 20 | 19.40 | |
| | Aylett, Richard | | | 1683 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Qin, Oscar Shu Xuan | | | 1683 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Guerra, Romie Lord | | | 1893 | PHI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Punsalan, Vyanla M | | wf | 1943 | NZL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Ang, Alphaeus Wei Ern | c | | 2277 | NZL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | * 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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