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Individual Calculations February 2023 |
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| Bandara, W M K H 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 |
| 1335 | 0 | 0.00 | 2 | 0.00 | 535 | | 0.00 | |
|  Tennakoon, I L K | | | 1463 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Marasinghe, Kasunka | | | 1207 | 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1163 | 0 | 1.00 | 2 | 0.00 | 1163 | | 0.00 | |
| | Fernando, Senara | | | 1159 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Deshapriya, A M M Nandula | | | 1166 | SRI | 0.50 | 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 |
| 1077 | 0 | 0.50 | 2 | 0.00 | 884 | | 0.00 | |
| | Jayaweera, D A Thevindu Nimnal | | | 1102 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Heenatigala, Nilusha Dewwan | | | 1052 | SRI | 0.50 | 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 |
| 1316 | 0 | 1.00 | 5 | 0.00 | 1076 | | 0.00 | |
| | Bentharaarachchi, Vinuga Ometh | | | 1361 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kavisekara, K M H P G Pasindu M | | | 1232 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Yanakan, P | | | 1251 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Mendis, Chandeepa | | | 1297 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Ranasinghe, R A Malindu Bhathiya | | | 1438 | 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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