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Individual Calculations June 2023 |
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| Jayasinghe, K S 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 |
| 1216 | 0 | 1.50 | 4 | 0.00 | 1129 | | 0.00 | |
|  Gowsalyan, S | | | 1368 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Gunasekara, R G J N K | | | 1208 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Sandanayake, Dehansa Nisanduni | | | 1199 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Dinuwara, P Arindu | | | 1087 | 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) | | | | Sri Lanka National Youth Chess Championship 2022 - Under 12Yrs Girls | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1010 | 0 | 0.00 | 1 | 0.00 | 210 | | 0.00 | |
| | Beminiwatte, A W Raveeja Arundi | | | 1010 | 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 |
| 1270 | 0 | 0.00 | 3 | 0.00 | 470 | | 0.00 | |
| | Weerasekara, Dinul Vinsitha | | | 1357 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Siriwardene, R B Sithum Nevanjith | | | 1191 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Amarathunga, Piyumi Uthpala | | | 1262 | 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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