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Individual Calculations June 2023 |
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| Chethaka, D G Ovindu 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 |
| 1304 | 0 | 0.00 | 2 | 0.00 | 504 | | 0.00 | |
|  Manuwaruna, Sethun Neththaru | | | 1353 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Dharmasena, K Kavinu Ransara | | | 1254 | 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 |
| 1191 | 0 | 2.50 | 5 | 0.00 | 1191 | | 0.00 | |
| | Wimalarathne, K G | | | 1437 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Abhayaratna, Ometh | | | 1146 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Gunasekara, Aritha Chanthula Abes | | | 1152 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Jathushanan, Theevakaran | | | 1113 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Bhavithran, S | | | 1107 | 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 |
| 1190 | 0 | 1.50 | 5 | 0.00 | 1041 | | 0.00 | |
| | Francis, U M Senal Vishmin | | | 1236 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Withanage, Mahiru Mihimeth | | | 1020 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Munasinghe, M A D D D | | | 1126 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Wettasinha, Vasanta | | | 1413 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kannangara, Ranul Insitha | | | 1156 | 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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