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Individual Calculations June 2023 |
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| De Silva, Nethuja Vinuth Total change: 0.00 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1220 | 0 | 1.50 | 5 | 0.00 | 1071 | | 0.00 | |
|  Edirisinghe, E A B T | | | 1255 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Sanviru, G H A Dulnith | | | 1272 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Rathnagoda, R B Sadew Denuwan | | | 1215 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Wijewardane, Sharin | | | 1142 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Bulathgama, Sasvidu Suhasvin | | | 1216 | 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) | | | | Sri Lanka National Youth Chess Championship 2023 - Under 10Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1103 | 0 | 2.00 | 4 | 0.00 | 1103 | | 0.00 | |
| | Batagoda, Bevin Yashel | | | 1183 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Rathnaweera, Dilith | | | 1030 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Methmin, S K Ramika | | | 1098 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Abayasinghe, Sehath | | | 1101 | 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 International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1335 | 0 | 0.50 | 4 | 0.00 | 1013 | | 0.00 | |
| | Janukshan, B | | | 1652 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Wettasinha, Vasanta | | | 1413 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Maitipe, M T Anuja Nadun | | | 1117 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Vithanage, P N | | | 1159 | 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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