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Individual Calculations June 2023 |
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| Hendavitharana, D S Total change: 71.20 | |   |
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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 |
| 1255 | 1440 | 6.00 | 8 | 0.22 | 40 | 8.80 | |
|  Umandini, M W Tinushi | | | 1040 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Silva, U M Himaya Shalindi | | | 1154 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Wijerathna, Vinuka Dihain | | | 1280 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Devasurendra, Menuksha Sahen | | | 1171 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Sanviru, G H A Dulnith | | | 1272 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Madurawala, M G D S Shanuka | | | 1230 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Dharmasena, K Kavinu Ransara | | | 1254 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Abewardhana, A A B D P | | | 1635 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1389 | 5.00 | 7 | 1.56 | 40 | 62.40 | |
| | Premaratne, Sandira Senula | | | 1009 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Gamage, Ovin Vidmal | | | 1554 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Sithumsa, H G Sasmi | | | 1149 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Amarasinghe, A A C B | c | | 1843 | SRI | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Gomes, J Vaneesha Oshini | | | 1063 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Madushanka, B W M Malith | | | 1598 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Perera, G Thinuka Geethula | | | 1549 | SRI | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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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