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Individual Calculations May 2023 |
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| Onslow, Alfie Total change: -24.60 | |   |
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| 65th Southend Easter Congress - Open | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2182 | 3.50 | 6 | -0.37 | 20 | -7.40 | |
|  Freeman, Ashley | | | 1820 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Brunello, Roberta | | | 1924 | ITA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Spence, David J | | | 2134 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Christiansen, Johan-Sebastian | g | | 2579 | NOR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Eames, Robert S | f | | 2124 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Davis-Loades, Alex | | | 1782 * | ENG | 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) | | | | Central London Chess Congress April 2023 - Open | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 2182 | 0.00 | 1 | -0.86 | 20 | -17.20 | |
| | Pandit, Kabir | | | 1875 | ENG | 0.00 | 1 | -0.86 | 20 | -17.20 | |
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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