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Individual Calculations December 2021 |
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| Garnett, John S Total change: 31.80 | |   |
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| 2021 Scarborough Chess Congress | Scarborough | ENG | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1822 | 3.00 | 5 | 1.46 | 20 | 29.20 | |
|  Aitchison, A Keith | | | 1698 | SCO | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Zakarian, David | f | | 2222 * | ARM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Collinson, Mark I | | | 1983 | ENG | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Milson, Samuel A | | | 2069 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Burrows, Nick | | | 1962 | ENG | 1.00 | 1 | 0.69 | 20 | 13.80 | | | * 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) | | | | 2021/22 4NCL Division 3 Central Rounds 1-2 | Leamington Spa | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1831 | 0.50 | 1 | 0.13 | 20 | 2.60 | |
| | Van Kemenade, Rudy | | | 1927 | WLS | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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) | | |
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