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Individual Calculations September 2019 |
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| Chai, Kang Total change: -4.20 | |   |
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| 2019 Chess Artists Winter Open | Melbourne | AUS | 2019-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1637 | 0.50 | 3 | -1.43 | 20 | -28.60 | |
|  Tan, Kai | | | 1843 | AUS | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Shawcross, Hartley | | | 1373 | AUS | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Chai, Isaac | | | 1321 | AUS | 0.00 | 1 | -0.87 | 20 | -17.40 | |
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 Box Hill Grades | Melbourne | AUS | 2019-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1644 | 3.00 | 4 | 1.22 | 20 | 24.40 | |
| | Ng, Reiner | | | 1771 | AUS | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Ilic, Goran | | | 1702 | AUS | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Nemeth, Laszlo | | | 1575 | AUS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Do, Aaron | | | 1691 | AUS | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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