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Individual Calculations November 2023 |
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| Jiang, Patrick Di Total change: -82.80 | |   |
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| ACC Club Championships 2023 7-9 | Auckland | NZL | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1572 | 1.50 | 3 | -0.71 | 40 | -28.40 | |
|  Hettiarachchi, Buthsara | | | 1450 | NZL | 0.50 | 1 | -0.17 | 40 | -6.80 | |  Yeh, Ryan | | | 1413 | NZL | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Pan, Alexander Hanrui | | | 1298 | NZL | 0.50 | 1 | -0.33 | 40 | -13.20 | |
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) | | | | NSCC Spring B-Grade 2023 3-5 | Auckland | NZL | 2023-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1572 | 2.00 | 3 | -0.11 | 40 | -4.40 | |
| | Liang, Ting | | | 1436 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Hwang, Ryan | | | 1528 | NZL | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Sussex, Taylor | | | 1255 | NZL | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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) | | | | Merv Morrison Memorial 2023 | Auckland | NZL | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1572 | 3.00 | 6 | -1.25 | 40 | -50.00 | |
| | Koptev, Ivan | | | 1183 | NZL | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Yuan, Paul | | | 1205 | NZL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | McLaren, Leonard | f | | 2041 | NZL | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Lewis, Thomas | | | 1172 * | NZL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Hooton, Barry R | | | 1341 | NZL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Liang, Ting | | | 1436 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | * 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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