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Individual Calculations May 2023 |
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| Gunawardana, Thivan Manamperi Total change: 30.80 | |   |
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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 |
| 1784 | 1304 | 0.50 | 6 | 0.04 | 40 | 1.60 | |
|  Moore, John C | | | 1910 | ENG | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Freeman, Ashley | | | 1820 | ENG | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Rida, Ruqayyah | | | 1788 | ENG | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Alldritt, Nigel R E | | | 2001 | ENG | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Hare, Roy T | | | 1686 | ENG | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Ivan, Austin | | | 1499 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | Central London Chess Congress April 2023 - Open | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1304 | 1.00 | 5 | 0.73 | 40 | 29.20 | |
| | Safarian, Alek | | | 1961 | AUS | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Montaigne, Adrien | | | 1790 | FRA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Todd, Jamie | | | 1654 | ENG | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Mehrafarin, Amirabbas | | | 1725 | IRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Sajanani, Vikas | | | 1790 | ENG | 1.00 | 1 | 0.96 | 40 | 38.40 | |
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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