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Individual Calculations November 2023 |
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| Holdo, Karl Total change: 29.60 | |   |
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| 74th South Island Chess Championship 2023 | Oamaru | NZL | 2023-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1440 | 3.00 | 6 | 2.42 | 20 | 48.40 | |
|  Mayrhuber, Nikola | | wf | 2059 | AUT | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Ha, Timothy Huy Minh | | | 1639 | NZL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Cummings, Nick | | | 1829 | NZL | 0.50 | 1 | 0.41 | 20 | 8.20 | |  Carpinter, Anthony L | | | 2128 | NZL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Fairley, Natasha | | wf | 1779 | NZL | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Summers, Paul G | | | 1799 | AUS | 1.00 | 1 | 0.90 | 20 | 18.00 | |
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 2023 | Auckland | NZL | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1440 | 2.50 | 6 | -0.94 | 20 | -18.80 | |
| | McClory, John | | | 1054 | NZL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Liu, William Rui | | | 1817 | NZL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Zhou, Martin | | | 1156 | NZL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Young, Cohen | | | 1845 | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gu, Isaac | | | 1059 | NZL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Ng, Lok Jim (lauren) | | | 1358 | NZL | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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) | | |
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