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Individual Calculations November 2023 |
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| Wilson, Dion A Total change: 107.60 | |   |
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| 74th South Island Chess Championship 2023 | Oamaru | NZL | 2023-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1369 | 1.00 | 5 | -0.53 | 40 | -21.20 | |
|  Liu, William Rui | | | 1768 | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rowe, Abigail | | | 1187 | NZL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Kerr, Atlas | | | 1676 | NZL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Liu, Richard Jingjie | | | 1371 | NZL | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Summers, Paul G | | | 1799 | AUS | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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 |
| 1740 | 1369 | 4.00 | 6 | 3.22 | 40 | 128.80 | |
| | Young, Cohen | | | 1845 | NZL | 1.00 | 1 | 0.95 | 40 | 38.00 | | | Zhu, David Junyang | | | 1719 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Cooper, Nigel | | | 1490 | NZL | 1.00 | 1 | 0.66 | 40 | 26.40 | | | De Guzman, Jessie | | | 1598 | NZL | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Zhang, Kendrick Botong | c | | 1828 | NZL | 1.00 | 1 | 0.95 | 40 | 38.00 | | | Mao, Daqi | | | 1961 | NZL | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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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