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Individual Calculations February 2019 |
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| Zhao, Jay Zi Xuan Total change: -22.00 | |   |
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| 2019 Oceania Youth U12 | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1127 | 1.00 | 5 | 0.37 | 40 | 14.80 | |
|  Lee, Lachlan | | | 1522 | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Li, Joshua | | | 1355 | AUS | 1.00 | 1 | 0.79 | 40 | 31.60 | |  Yu, Jeffrey | | | 1527 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rupasinghe, Sayum | | | 1516 | AUS | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Chen, Matthew | | | 1399 | NZL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * 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) | | | | NZ Major Open 2019 | Auckland | NZL | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1127 | 0.00 | 6 | -0.70 | 40 | -28.00 | |
| | Burgess, Ken | | | 1527 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Burrows, Grant L | | | 1481 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Gao, Hugh | | | 1442 | NZL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Yu, Jeffrey | | | 1527 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vincent, David A | | | 1410 | NZL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Li, Rodney Xiang Rei | | | 1446 | NZL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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) | | | | Auckland Anniversary Weekend 2019 | Auckland | NZL | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1357 | 1127 | 1.00 | 5 | -0.22 | 40 | -8.80 | |
| | Qin, Nicole Shu Yu | | wc | 1527 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Post, Martin | | | 1527 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Xu, Hannah | | | 1077 | NZL | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Lourenco, Eva | | wc | 1315 | NZL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Jain, Uday | | | 1339 | NZL | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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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