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Rapid:
Individual Calculations April 2021 |
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| Yu, Weiyang Total change: 17.60 | |   |
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| 2021 Summit Junior Rapid Mar | Auckland | NZL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1276 | 1236 | 1.50 | 4 | -0.28 | 20 | -5.60 | |
|  Feng, Sophia | | | 1361 | NZL | 1.00 | 1 | 0.67 | 20 | 13.40 | |  Zhao, Jay Zi Xuan | | | 1358 | NZL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Yue, Annie | | | 1190 | NZL | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Zhang, Aidan | | | 1195 | NZL | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | 2021 Latvian C | Auckland | NZL | 2021-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1236 | 3.00 | 5 | 1.16 | 20 | 23.20 | |
| | Feng, Sophia | | | 1361 | NZL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Hurndell, Robert | | | 1419 | NZL | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Gan, Emily | | | 1263 | NZL | 0.00 | 1 | -0.46 | 20 | -9.20 | | | McDonald, Duncan | | | 1249 | NZL | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Zara, Baraa | | | 1374 | NZL | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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