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Individual Calculations June 2023 |
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| Pathirana, W P Keshara Viraj Total change: 25.20 | |   |
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| Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1211 | 2.00 | 4 | 0.63 | 40 | 25.20 | |
|  Newansa, M Esandi | | | 1537 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Mayadunna, D Thimesh | | | 1017 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Wickramaarachchi, Nayanaka Insara | | | 1404 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Wettasinha, Vasanta | | | 1413 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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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