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Individual Calculations November 2018 |
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| Weegenaar, David P Total change: 27.20 | |   |
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| 2018 South Island Championship | Christchurch | NZL | 2018-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1919 | 4.00 | 7 | 0.15 | 40 | 6.00 | |
|  Stevenson, Michael | | | 1519 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rains, Edward | c | | 1997 | NZL | 0.50 | 1 | 0.11 | 40 | 4.40 | |  McNabb, Matthew D | | | 2068 | NZL | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Sarfas, Edward | | | 1767 | NZL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Masters, Andrew | | | 1848 | SCO | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Roura, Federico | | | 1750 | NZL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Lukey, Stephen G | f | | 2144 | NZL | 0.00 | 1 | -0.22 | 40 | -8.80 | | | * 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) | | | | Merv Morrison Memorial 2018 | Auckland | NZL | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1919 | 4.00 | 6 | 0.53 | 40 | 21.20 | |
| | Mullage, Janitha | | | 1519 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kulashko, Alexei | f | | 2319 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yu, Jeffrey | | | 1519 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ha, Huy Minh (timothy) | | | 1682 | NZL | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Krstev, Antonio | | | 2001 | NZL | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Duneas, John | c | | 2023 | NZL | 0.00 | 1 | -0.36 | 40 | -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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