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Rapid:
Individual Calculations January 2019 |
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| Park-Tamati, Philli Total change: -20.60 | |   |
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| Papatoetoe Rapid B 2018 | Auckland | NZL | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1502 | 1531 | 1.50 | 4 | -0.65 | 20 | -13.00 | |
|  Zhang, Boyuan | | | 1344 | NZL | 0.00 | 1 | -0.74 | 20 | -14.80 | |  Li, Allen | | | 1389 | NZL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Wang, Aaron Ziwen | | | 1583 | NZL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Lyall, Simon | | | 1692 | NZL | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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) | | | | Papatoetoe Rapid Junior 2018 | Auckland | NZL | 2018-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1531 | 2.50 | 4 | -0.38 | 20 | -7.60 | |
| | Li, Allen | | | 1389 | NZL | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Li, Andrew | | | 1508 | NZL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Zhang, Boyuan | | | 1344 | NZL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Chai, Jacob | | | 1131 * | 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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