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Individual Calculations October 2020 |
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| Gunawan, Tjermin Total change: 33.60 | |   |
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| 2020 WA Reserves Championship | Perth | AUS | 2020-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1570 | 1473 | 2.50 | 6 | 0.22 | 20 | 4.40 | |
|  Saroha, Chirag | | | 1809 | AUS | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Andrew, Christopher-Jack | | | 1523 | AUS | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Rasulov, Bekzod | | | 1539 | AUS | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Gough, Dylan | | | 1572 | AUS | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Octaviano, Joel | | | 1405 | AUS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Gao, Oscar | | | 1570 | AUS | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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) | | | | 2020 David Ellis Cup | Perth | AUS | 2020-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1473 | 2.50 | 5 | 1.46 | 20 | 29.20 | |
| | Ellis, David | | | 1873 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | De Vas, Saminda | | | 1674 | SRI | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Andrew, Christopher-Jack | | | 1523 | AUS | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Ferozkohi, Ihsan | | | 1873 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Soutar, Gavin | | | 1707 | AUS | 1.00 | 1 | 0.79 | 20 | 15.80 | | | * 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) | | |
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