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Individual Calculations January 2024 |
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| Rathnayake, R M M P B Total change: 6.80 | |   |
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| Ehugalpura International Open Chess Championship 2023 | Kurunegala | SRI | 2023-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1204 | 1295 | 4.50 | 7 | 0.17 | 40 | 6.80 | |
|  Rathnayaka, D R M R S | | | 1086 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Morais, Sanithu Leander Pamudith | | | 1616 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Amarathunga, H G K G | | | 1042 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Yuveenarkash, Laksha Kumar | | | 1101 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Induwara, T H D Thisarindu | | | 1491 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Dabarera, W Michelle Bhagya | | | 1056 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Mawalagedara, Pawan Piumal | | | 1036 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | |
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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