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Individual Calculations February 2023 |
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| Lavanga, D Binuka Total change: 54.40 | |   |
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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 |
| 1520 | 1341 | 4.00 | 8 | 1.75 | 40 | 70.00 | |
|  Arunakirinathan, Aruthran | | | 1592 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |  Piyumantha, M Thisal Manjith | | | 1734 | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Marapana, Sanupa Bimsath | | | 1550 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Gangewatte, Sithila Mithashana | | | 1415 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Irondla, Akash Kumar | | | 1332 | IND | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Arthigan, J | | | 1570 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Maithripala, W D P N | | | 1424 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Ujaan, Bhattacharya | | | 1540 | IND | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1341 | 2.50 | 6 | -0.39 | 40 | -15.60 | |
| | Gamage, Ovin Vidmal | | | 1558 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Madushanka, Harsha | | | 1691 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Sugathadasa, Sasiru Hansana | | | 1132 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Nanayakkara, M M | | | 1169 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Gunathilaka, Kavinu Sanul | | | 1041 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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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