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Individual Calculations July 2023 |
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| Lalic, Peter D Total change: 21.60 | |   |
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| London Chess League Weekend Congress June - Open | London | ENG | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 2081 | 4.50 | 5 | 0.08 | 20 | 1.60 | |
|  Prince, Alan R | | | 1676 | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Isaacs, Ruairi | | | 1681 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Muirhead, Samuel | | | 1621 | ENG | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Ciesielski, Marceli | | | 1769 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Rida, Ruqayyah | | | 1873 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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) | | | | Ealing FIDE Congress - June U2300 | London | ENG | 2023-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2081 | 3.50 | 4 | 1.00 | 20 | 20.00 | |
| | Abhyuday, Santhosh | | | 1777 | IND | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Rogers, Tim L | | | 1913 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Bagri, Jaspaul | | | 2074 | SUI | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Midhun, P U | | | 2147 | IND | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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