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Individual Calculations November 2023 |
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| Tao, Junqing Jerome Total change: 54.40 | |   |
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| 74th South Island Chess Championship 2023 | Oamaru | NZL | 2023-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1387 | 3.50 | 8 | 0.06 | 40 | 2.40 | |
|  Cummings, Nick | | | 1829 | NZL | 0.00 | 1 | -0.06 | 40 | -2.40 | |  McLean, Gary | | | 1228 | NZL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Malcolm, Leo | | | 1699 | NZL | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Kerr, Atlas | | | 1676 | NZL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Anikonov, Artem | | | 1354 | FID | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Rowe, Abigail | | | 1187 | NZL | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Liu, Richard Jingjie | | | 1371 | NZL | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Moshakova, Elena | | | 1355 | FID | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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) | | | | ACC Club Championships 2023 7-9 | Auckland | NZL | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1438 | 1.00 | 2 | 0.40 | 40 | 16.00 | |
| | Sun, Wanyao Sarah | | | 1567 | NZL | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Liu, Zikun Kenneth | | | 1616 | NZL | 0.00 | 1 | -0.27 | 40 | -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) | | | | NSCC Spring B-Grade 2023 3-5 | Auckland | NZL | 2023-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1249 | 1438 | 2.00 | 2 | 0.53 | 40 | 21.20 | |
| | Lin, Sam | | | 1157 | NZL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Chen, Xavier | | | 1341 | NZL | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | Merv Morrison Memorial 2023 | Auckland | NZL | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1438 | 2.50 | 5 | 0.37 | 40 | 14.80 | |
| | Weng, Winston | | | 1807 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | McClory, John | | | 1054 | NZL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Chang, Yolanda | | | 1689 | NZL | 0.50 | 1 | 0.31 | 40 | 12.40 | | | McLaren, Leonard | f | | 2041 | NZL | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Gu, Isaac | | | 1059 | NZL | 1.00 | 1 | 0.09 | 40 | 3.60 | |
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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