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Individual Calculations February 2023 |
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| Sithumsa, H G Sasmi Total change: 33.20 | |   |
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| Asia Schools CC 2022- U 11 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1312 | 1077 | 0.50 | 4 | -0.48 | 40 | -19.20 | |
|  Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Palliyage, Sethumlee Devhara | | | 1240 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Abeyrathne, M P Dulansa Dewmini | | | 1343 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Vishaleni, U | | | 1091 | SRI | 0.00 | 1 | -0.48 | 40 | -19.20 | |
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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1327 | 1077 | 2.50 | 6 | 1.32 | 40 | 52.80 | |
| | Ekanayake, N N B | | | 1280 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Pathmasiri, R D Isuru Saranga | | | 1297 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Mudalige, S M I Umandi | | | 1300 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Dushan, W Charuka | | | 1290 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Chandrasiri, P K | | | 1374 | SRI | 0.00 | 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1077 | 0.00 | 1 | -0.01 | 40 | -0.40 | |
| | Egodage, Keshan | | | 1699 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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) | | |
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