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Rapid:
Individual Calculations January 2021 |
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| Liu, William Rui Total change: -2.20 | |   |
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| Papatoetoe Rapid C 2020 | Auckland | NZL | 2020-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1286 | 2.00 | 4 | 0.67 | 20 | 13.40 | |
|  Tang, Tracy | | | 1299 | NZL | 1.00 | 1 | 0.52 | 20 | 10.40 | |  Hurndell, Robert | | | 1419 | NZL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Booth, Anthony | | | 1565 | NZL | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Smith, Scott R | | | 1383 | NZL | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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) | | | | Papatoetoe Junior Rapid 2020 | Auckland | NZL | 2020-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1286 | 1.00 | 3 | -0.75 | 20 | -15.00 | |
| | Tang, Tracy | | | 1299 | NZL | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Zhao, Jay Zi Xuan | | | 1231 | NZL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Yang, Jerry | | | 1145 | NZL | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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) | | | | Howick Pakuranga Christmas 2020 | Auckland | NZL | 2020-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1286 | 0.00 | 1 | -0.03 | 20 | -0.60 | |
| | Mistry, Prashant | | | 1819 | NZL | 0.00 | 1 | -0.03 | 20 | -0.60 | |
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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