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Rapid:
Individual Calculations January 2021 |
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| Tang, Tracy Total change: -3.00 | |   |
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| Papatoetoe Rapid C 2020 | Auckland | NZL | 2020-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1235 | 1299 | 1.00 | 3 | -0.76 | 20 | -15.20 | |
|  Liu, William Rui | | | 1286 | NZL | 0.00 | 1 | -0.52 | 20 | -10.40 | |  Powell, Brian | | | 1146 | NZL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Somaraju, Sai Vivan Karthikeya | | | 1273 | NZL | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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 Junior Rapid 2020 | Auckland | NZL | 2020-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1299 | 1.50 | 3 | 0.06 | 20 | 1.20 | |
| | Liu, William Rui | | | 1286 | NZL | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Po E-Tofaeono, Hunter | | | 1171 | NZL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Zara, Anas | | | 1492 | NZL | 1.00 | 1 | 0.75 | 20 | 15.00 | |
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) | | | | 2020 Summit Junior Rapid Dec | Auckland | NZL | 2020-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1299 | 0.00 | 3 | -1.09 | 20 | -21.80 | |
| | Picken, Oliver | c | | 1884 | NZL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Cai, Vincent | | | 1188 | NZL | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Feng, Sophia | | | 1354 | NZL | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Howick Pakuranga Christmas 2020 | Auckland | NZL | 2020-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1299 | 2.50 | 5 | 1.64 | 20 | 32.80 | |
| | Runcan, Daniel-Ioan | | | 1824 | ROU | 0.50 | 1 | 0.47 | 20 | 9.40 | | | Madhav, Aanand | | | 1326 | NZL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Ang, Alphaeus Wei Ern | f | | 2034 | NZL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Zhang, Jasmine Haomo | | wm | 1753 | NZL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Zheng, Thomas | | | 1452 | NZL | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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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