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Individual Calculations May 2023 |
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| Jukes, Sam Total change: 24.00 | |   |
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| 2023 Welsh Championship | Cardiff | WLS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 1901 | 4.00 | 7 | 2.30 | 20 | 46.00 | |
|  Morris, Charles F | | | 2081 | WLS | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Bullen, Alex | c | | 2157 | WLS | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Toczek, Grzegorz | f | | 2260 | WLS | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Blackburn, Jonathan L B | f | | 2162 | WLS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Hatchett, Paul | | | 1967 | WLS | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Kozusek, Daniel | f | | 2331 | WLS | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Davis, Lee | | | 1906 | WLS | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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) | | | | OPEN CHESS MENORCA A | Ciudadela (Menorca) | ESP | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1901 | 2.50 | 9 | -1.10 | 20 | -22.00 | |
| | Shivakumar, Shawnak | f | | 2418 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Marin Ferragut, Pau | | | 2131 | ESP | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Miguel, Alain | | | 1705 | FRA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Saunders, Aron | | | 2117 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Salord Guillen, Joan | | | 1679 | ESP | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Queirolo Perez, Manuel | | | 2064 | ESP | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Borne, Niels | f | | 2212 | FRA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Roig Roig, Marc | | | 1840 | FRA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Ferenczi, Robert Frank | | | 1826 | ESP | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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) | | |
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