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Individual Calculations November 2022 |
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| Chandrasiri, R B A Total change: 20.40 | |   |
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| Sri Lanka Junior National Chess Championship 2022 | Kandy | SRI | 2022-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1126 | 0.00 | 3 | -0.51 | 40 | -20.40 | |
|  Omaththage, S Y | | | 1349 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Insara, S D Nadev | | | 1308 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Tennakoon, Lisara Samadhith | | | 1670 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1126 | 2.00 | 5 | 1.02 | 40 | 40.80 | |
|  Wickramarathne, P W G Gaveshi | | | 1357 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Hettiarachchi, D W K | | | 1396 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ranganath, Tharuli Vihasna | | | 1341 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Yapa, D G Sanjeewa Madushan | | | 1456 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Wilvalaarachchi, Oneli Omaya | | | 1319 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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