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Individual Calculations November 2023 |
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| Ranathunga, R M Methula Sansitha Total change: -14.40 | |   |
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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 |
| 1366 | 1130 | 1.00 | 4 | 0.15 | 40 | 6.00 | |
|  Wickramarathne, D Jehan Randil | | | 1359 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Wijesinghe, W A M C | | | 1326 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Wijerathna, Vinuka Dihain | | | 1485 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Bandara, W M Malitha | | | 1293 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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 |
| 1238 | 1161 | 2.00 | 6 | -0.51 | 40 | -20.40 | |
| | Herath, H M J R | | | 1480 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Weerasena, Kaveen | | | 1413 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Gowsalyan, S | | | 1451 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Katheesan, U | | | 1032 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Sampath, Kavindu | | | 1024 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Karunarathna, Umeth | | | 1025 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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) | | |
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