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Individual Calculations February 2019 |
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| Xu, Hannah Total change: 60.40 | |   |
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| Asian Amateur Chess Championship 2018 | Zhengzhou, China | CHN | 2018-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1077 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Batchuluun, Ariunbold | | | 1477 * | MGL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 2019 Oceania Youth U12 Girls | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1077 | 2.50 | 6 | 1.06 | 40 | 42.40 | |
|  Retnaraja, Athena-Malar | | | 1301 | AUS | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Li, Annabel | | | 1225 | AUS | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Rupasinghe, Chanya | | | 1240 | AUS | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Ning, Isabelle Yixuan | | | 1453 | NZL | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Thurner, Anya | | | 1173 | NZL | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Chang, Sophie | | | 1344 | AUS | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | NZ Major Open 2019 | Auckland | NZL | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1359 | 1077 | 1.50 | 6 | 0.35 | 40 | 14.00 | |
| | Taylor, Stephan James | | | 1477 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gao, Hugh | | | 1442 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Burrows, Grant L | | | 1477 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ashe, Michael | | | 1341 | NZL | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Chen, Matthew | | | 1399 | NZL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Chai, Jacob | | | 1019 | NZL | 0.50 | 1 | -0.08 | 40 | -3.20 | | | * 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 |
| 1335 | 1077 | 1.00 | 4 | 0.18 | 40 | 7.20 | |
| | Ha, Huy Minh (timothy) | | | 1477 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ravi, Narasimhan Lakshmi | | | 1390 | NZL | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Zhao, Jay Zi Xuan | | | 1127 | NZL | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Kulchayodom, Pridiyathon | | | 1347 | THA | 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) | | |
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