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Individual Calculations February 2023 |
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| Marapana, Sanupa Bimsath Total change: -4.40 | |   |
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| Asia Schools CC 2022- U 17 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1550 | 3.50 | 7 | -0.39 | 40 | -15.60 | |
|  Alagaesan, Yashodhan | | | 1226 | MAS | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Lavanga, D Binuka | | | 1341 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Ujaan, Bhattacharya | | | 1540 | IND | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Alwela, Senuja Thimeth | | | 1454 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Tennakoon, Lisara Samadhith | | | 1717 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Sethiya , A Vinuga | | | 1472 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1550 | 5.00 | 6 | 0.28 | 40 | 11.20 | |
| | Samaraweera, S M Sethika Hansira | | | 1144 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wilvalaarachchi, Oneli Omaya | | | 1343 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Bandara, K M W G Lahiru | | | 1198 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ramanayake, Nemindi Linaya | | | 1365 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Dharmasena, W M S S B | | | 1379 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Maithripala, W D P N | | | 1424 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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