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Rapid:
Individual Calculations January 2019 |
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| Chai, Jacob Total change: 48.80 | |   |
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| Papatoetoe Rapid C 2018 | Auckland | NZL | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1019 | 2.00 | 4 | 1.59 | 20 | 31.80 | |
|  Smith, Scott R | | | 1411 | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wang, Ying | | | 1375 | NZL | 1.00 | 1 | 0.89 | 20 | 17.80 | |  Taylor, David C | | | 1325 | NZL | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Patdu, Ariel A | | | 1419 * | PHI | 0.00 | 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) | | | | Papatoetoe Rapid Junior 2018 | Auckland | NZL | 2018-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1019 | 1.50 | 4 | 0.85 | 20 | 17.00 | |
| | McDougall, Sylvia | | | 1419 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ning, Isabelle Yixuan | | | 1419 * | NZL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Zhao, Jay Zi Xuan | | | 1081 | NZL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Park-Tamati, Philli | | | 1419 * | NZL | 0.00 | 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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