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Individual Calculations November 2018 |
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| McNabb, Matthew D Total change: -37.80 | |   |
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| 2018 South Island Championship | Christchurch | NZL | 2018-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 2068 | 4.00 | 7 | -0.50 | 20 | -10.00 | |
|  Sarfas, Edward | | | 1767 | NZL | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Jellyman, Riley | | | 1911 | NZL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Weegenaar, David P | | | 1919 | NZL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Wells, Clinton A | | | 1933 | NZL | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Rains, Edward | c | | 1997 | NZL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Lukey, Stephen G | f | | 2144 | NZL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Cummings, Nick | | | 2026 | NZL | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | North Island Championship 2018 | Palmerston North | NZL | 2018-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 2068 | 5.00 | 8 | -1.39 | 20 | -27.80 | |
| | Scott, David | | | 1668 * | NZL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Chen, Matthew | | | 1668 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zhang, Boyuan | | | 1668 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Winter, Ryan | | | 1728 | NZL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Wells, Clinton A | | | 1933 | NZL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Steadman, Michael V R | f | | 2240 | NZL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Ha, Huy Minh (timothy) | | | 1682 | NZL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Stewart, James | | | 1713 | NZL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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