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Individual Calculations August 2023 |
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| De Coverly, Roger D Total change: -37.80 | |   |
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| 6th Crewe Chess Congress - FIDE Open | Crewe | ENG | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 2000 | 2.50 | 5 | -1.21 | 20 | -24.20 | |
|  McCarthy, Damian | | | 1836 | ENG | 0.00 | 1 | -0.72 | 20 | -14.40 | |  Mikalajunas, Kajus | | | 1854 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Ansari, Athar | | | 1908 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Dasgupta, Avyukt | | | 1817 | ENG | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Amaya, Agarwal | | | 1600 * | IND | 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) | | | | 2023 British Championship: Weekender - Atkins | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1955 | 1.50 | 4 | -0.68 | 20 | -13.60 | |
| | Buanne, Luca | | | 1988 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Shafi, Declan | | | 2174 | SCO | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Cotterill, Sam | | | 1658 | ENG | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Rich, Ben S | | | 1840 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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