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Individual Calculations May 2021 |
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| Cilia Vincenti, David Total change: 0.60 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2101 | 4.00 | 7 | -0.32 | 20 | -6.40 | |
|  Qin, Oscar Shu Xuan | | | 1701 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pomeroy, Arthur J | | | 1935 | NZL | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Wastney, Scott | f | | 2306 | NZL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Lim, Benjamin U | c | | 1843 | NZL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ker, Anthony F | m | | 2305 | NZL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Xie, Felix | | | 2082 | NZL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Ning, Isabelle Yixuan | | wc | 1808 | NZL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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) | | | | Auckland ANZAC Weekender 2021 | Auckland | NZL | 2021-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2101 | 3.50 | 5 | 0.35 | 20 | 7.00 | |
| | Park-Tamati, Philli | | | 1701 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mao, Daqi | | | 1729 | NZL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Steadman, Michael V R | f | | 2157 | NZL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Rains, Edward | c | | 2005 | NZL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Ang, Alphaeus Wei Ern | f | | 2265 | NZL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | * 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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