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Individual Calculations July 2021 |
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| Dai, Cheng Total change: 39.60 | |   |
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| 2021 Box Hill Club Championship Division 2 | Melbourne | AUS | 2021-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1782 | 6.50 | 9 | 0.80 | 20 | 16.00 | |
|  Wang, Cunmeng | | | 1382 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Prakash, Satya | | | 1625 | AUS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Li, Jackie | | | 1725 | AUS | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Soetanto, Brandon | | | 1631 | AUS | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Salasan, Haran | | | 1824 | AUS | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Kannan, Archit | | | 1506 | AUS | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Li, Oliver | | | 1762 | AUS | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Gibson, Kyle | | | 1851 | AUS | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Do, Aaron | | | 1717 | AUS | 0.50 | 1 | -0.09 | 20 | -1.80 | | | * 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) | | | | 2021 Chess Excellence Open | Melbourne | AUS | 2021-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1782 | 4.00 | 5 | 1.18 | 20 | 23.60 | |
| | Beckman, John | | | 1469 | AUS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Lee, Lachlan | | | 1650 | AUS | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Rashid, Russell | f | | 1967 | AUS | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Davis, Tony J | c | | 1764 | AUS | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Watson, James | | | 1789 | AUS | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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) | | |
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