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Individual Calculations November 2023 |
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| Cummings, Nick Total change: 1.80 | |   |
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| 74th South Island Chess Championship 2023 | Oamaru | NZL | 2023-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1829 | 5.50 | 8 | 0.09 | 20 | 1.80 | |
|  Tao, Junqing Jerome | | | 1429 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Williams, Matt | | | 1584 | NZL | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Christie, Richie | | | 1852 | NZL | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Zhang, Kendrick Botong | c | | 1838 | NZL | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Holdo, Karl | | | 1440 | NZL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Summers, Paul G | | | 1799 | AUS | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Liu, William Rui | | | 1768 | NZL | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Kerr, Atlas | | | 1676 | NZL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | * 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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