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Individual Calculations October 2020 |
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| Ferozkohi, Ihsan Total change: 10.40 | |   |
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| 2020 WA Closed Championship | Perth | AUS | 2020-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 2232 | 5.50 | 6 | 0.42 | 20 | 8.40 | |
|  Hardegen, Kathryn | | wf | 1908 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Andador, Dominador | | | 1914 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | O`mahoney, Keegan | | | 1903 | IRL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Hare, Tim | | | 2074 | NZL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Ellis, David | | | 1910 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Kinsman, Craig C | | | 1889 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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 |
| 1907 | 2232 | 6.00 | 7 | 0.10 | 20 | 2.00 | |
| | Sheridan, Wallace | | | 1832 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lugovskoy, Andrey | | | 1832 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Vas, Saminda | | | 1832 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kurniawan, Stephanus | f | | 2281 | AUS | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Ellis, David | | | 1910 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Gunawan, Tjermin | | | 1832 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Simonds, Marcus | | | 1832 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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