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Individual Calculations November 2023 |
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| Bandaranayake, Thenuga Dilneth Total change: -18.80 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1050 | 1.00 | 3 | 0.15 | 40 | 6.00 | |
|  Liyanage, K P L | | | 1626 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Rankethkumbura, Danuja Dinsara | | | 1007 | SRI | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Chandrasiri, R B A | | | 1224 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1191 | 1050 | 0.00 | 2 | -0.62 | 40 | -24.80 | |
| | Dissanayake, D M Madushan Sameera | | | 1185 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Wijesekara, Dinuka Sewmini | | | 1197 | SRI | 0.00 | 1 | -0.30 | 40 | -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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