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Individual Calculations February 2023 |
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| Dinsara, P V Sithuka Total change: 0.00 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1169 | 0 | 0.00 | 1 | 0.00 | 369 | | 0.00 | |
|  Kavisekara, Manula Heshan | | | 1169 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Colombo District Youth Chess Championships 2023 - Under 18 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1214 | 0 | 0.00 | 1 | 0.00 | 414 | | 0.00 | |
| | Hendavitharana, D S | | | 1214 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1462 | 0 | 0.00 | 3 | 0.00 | 662 | | 0.00 | |
|  Alahakoon, Isuru | f | | 1925 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Palliyage, Sethumlee Devhara | | | 1240 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Karunarathne, D D W Gamini | | | 1221 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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