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Individual Calculations February 2023 |
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| Perera, H A Lisanda Vinsith Total change: 10.80 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1312 | 1419 | 5.50 | 8 | 0.56 | 40 | 22.40 | |
|  Idamewattha, I W S S | | | 1141 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Sithumsa, H G Sasmi | | | 1077 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Somarathne, Senuka Damsath | | | 1139 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Senevirathne, S D B K | | | 1696 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Thenujan, M | | | 1020 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Newansa, M Esandi | | | 1527 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Pathirana, Dasula | | | 1182 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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 |
| 1351 | 1419 | 4.00 | 7 | -0.29 | 40 | -11.60 | |
| | Nimthaka, P D Pasindu Dulain | | | 1127 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Jayawickrama, U W R K | | | 1168 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Jayasuriya, Charinu Sithsara Mith | | | 1110 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Perera, Thisara Randinu | | | 1098 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Wijesinghe, W A M C | | | 1176 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Alahakoon, Isuru | f | | 1925 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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) | | |
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