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Rapid:
Individual Calculations February 2023 |
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| Perrin, Brent Total change: -20.60 | |   |
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| 2023 New Zealand Rapid | Wellington | NZL | 2023-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1798 | 2.50 | 6 | -1.03 | 20 | -20.60 | |
|  Langford, Joshua | | | 1745 | NZL | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Ker, Anthony F | m | | 2258 | NZL | 0.00 | 1 | -0.05 | 20 | -1.00 | |  Van Der Krogt, Adrian | | | 1425 | NZL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Cummings, Nick | | | 1954 | NZL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Wang, Justin Zhide | | | 1559 | NZL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Liu, Richard Jingjie | | | 1398 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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