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Individual Calculations June 2022 |
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| Roebuck, Derek J Total change: -15.40 | |   |
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| 2022 Southern Suburbs Swiss Rounds 5-8 | Perth | AUS | 2022-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1621 | 2.00 | 3 | -0.03 | 20 | -0.60 | |
|  Chen, Angus | | | 1437 | AUS | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Gulley, Trent | | | 1492 | AUS | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Gunawan, Tjermin | | | 1535 | AUS | 1.00 | 1 | 0.38 | 20 | 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) | | | | 2022 WA Reserves Championship Rounds 1-2 | Perth | AUS | 2022-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1621 | 0.00 | 1 | -0.74 | 20 | -14.80 | |
| | Chen, Angus | | | 1437 | AUS | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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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