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Individual Calculations January 2019 |
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| Chai, Isaac Total change: 73.20 | |   |
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| 2018 Box Hill Open | Melbourne | AUS | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1329 | 1165 | 2.50 | 4 | 1.24 | 40 | 49.60 | |
|  Lee, Lachlan | | | 1480 | AUS | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Zhao, Tiger Chengxin | | | 1172 | AUS | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Radchenkov, Aleksey | | | 1150 | RUS | 1.00 | 1 | 0.48 | 40 | 19.20 | |  Flude, David A | | | 1515 | AUS | 1.00 | 1 | 0.89 | 40 | 35.60 | |
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) | | | | 2018 Chess Artists Open | Melbourne | AUS | 2018-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1167 | 2.00 | 5 | 0.59 | 40 | 23.60 | |
| | Hinton, Guy | | | 1567 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kolak, Tanya | | | 1445 | AUS | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Wang, Yifan Eva | | | 1483 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Venkat, Ishan | | | 1010 | AUS | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Gao, James Lequan | | | 1297 | AUS | 1.00 | 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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