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Individual Calculations June 2023 |
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| Porage, Sathila Nimnaka 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 |
| 1071 | 0 | 0.50 | 3 | 0.00 | 798 | | 0.00 | |
|  Arachchi, B A M | | | 1075 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Hidurangala, H D Binuri Dulanga | | | 1088 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Perera, G G U Nawathma | | | 1051 | 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 12Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1072 | 0 | 0.00 | 2 | 0.00 | 272 | | 0.00 | |
| | Sathsilu, P M Menuka | | | 1001 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Bandara, B G S N R | | | 1143 | 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 International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1130 | 0 | 1.50 | 5 | 0.00 | 981 | | 0.00 | |
| | Wickramaarachchi, Gayaru Chamsara | | | 1120 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nanayakkara, N W P K W | | | 1088 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Mayadunna, D Vihan Sanija | | | 1160 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Raheem, Malik | | | 1037 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Meemanage, Saviru Thinal | | | 1245 | SRI | 1.00 | 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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