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Individual Calculations January 2024 |
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| Varley, Joe Total change: -19.80 | |   |
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| Southall FIDE Congress December 2023 - U2300 | Southall | ENG | 2023-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1918 | 1.00 | 3 | -0.74 | 20 | -14.80 | |
|  Pang, Ethan | | | 1648 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Rogers, Tim L | | | 1912 | ENG | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Arora, Tashika | | | 1987 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | 15th Northwick Park Five Round Congress - Open | Harrow | ENG | 2023-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1918 | 2.50 | 5 | -0.25 | 20 | -5.00 | |
| | Dias, Ruwan | | | 1638 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Lalic, Peter D | c | | 2107 | ENG | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Kwong, Wing Ki | | | 1917 | HKG | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Ward, Cian | | | 1680 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Liu, Tianyi (jack) | | | 2022 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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