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Individual Calculations February 2019 |
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| Qin, Oscar Shu Xuan Total change: 92.80 | |   |
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| 2019 Oceania Youth U12 | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1430 | 3.50 | 6 | 0.52 | 40 | 20.80 | |
|  Li, Oliver | | | 1712 | AUS | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Ho, Oscar | | | 1030 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rupasinghe, Sayum | | | 1516 | AUS | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Li, Joshua | | | 1355 | AUS | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Chen, Matthew | | | 1399 | NZL | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Xie, Felix | | | 1519 | NZL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | * 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 |
| 1606 | 1430 | 3.50 | 6 | 1.75 | 40 | 70.00 | |
| | Rains, Timothy | c | | 1830 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chai, Jacob | | | 1030 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ha, Huy Minh (timothy) | | | 1682 | NZL | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Gold, Hamish R | | | 1752 | NZL | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Mukkattu, Philip | | | 1560 | NZL | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Sole, Michael D | | | 1783 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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 |
| 1537 | 1430 | 2.00 | 5 | 0.05 | 40 | 2.00 | |
| | Buciu, Aurel-John | c | | 1756 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Thurner, Anya | | | 1173 | NZL | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Post, Martin | | | 1799 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Zhang, Kendrick (kenny) | | | 1276 | NZL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Ha, Huy Minh (timothy) | | | 1682 | NZL | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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