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Individual Calculations August 2023 |
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| Vishaleni, U Total change: 4.00 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1357 | 1199 | 2.50 | 6 | 0.10 | 40 | 4.00 | |
|  Kirimetiyawa, R A H M Sujeewa | | | 1032 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Alahakoon, T N | | | 1669 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Tharanga, R A R | | | 1023 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Amarathunga, Kosala Sandeepa Cham | | | 1468 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Damsara , K D Dineth | | | 1034 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Pitigala, Chandra Sudarman S. | | | 1917 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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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