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Individual Calculations June 2023 |
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| Sathsindu, W M Minura Total change: -40.80 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1522 | 6.50 | 9 | 0.80 | 40 | 32.00 | |
|  Bandara, B G S N R | | | 1143 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Abhayaratna, Ometh | | | 1146 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Pathmasiri, R D Isuru Saranga | | | 1285 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Liyanapathirana, Pasan Vindula | | | 1896 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 1973 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Fonseka, Waranakulasuriya Chan Ch | | | 1297 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Bandara, L R D B | | | 1251 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Gowsalyan, S | | | 1368 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Weerasekara, Dinul Vinsitha | | | 1448 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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 | K | K*chg | Game |
| 1254 | 1562 | 5.00 | 8 | -1.82 | 40 | -72.80 | |
| | Wickramasinghe, Hesara Damsadi | | | 1122 | SRI | 1.00 | 1 | 0.06 | 40 | 2.40 | | | Minsara, S D Sadev | | | 1249 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Maitipe, M T Anuja Nadun | | | 1162 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Weerasekara, Dinul Vinsitha | | | 1357 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Dissanayaka, D A K N R | | | 1258 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Madurawala, M G D S Shanuka | | | 1301 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Wijerathna, Vinuka Dihain | | | 1280 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Gunawardhane, Dunitha Yathindra | | | 1302 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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