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Individual Calculations November 2022 |
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| Jayasuriya, Charinu Sithsara Mith Total change: 77.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1408 | 1032 | 2.00 | 5 | 1.30 | 40 | 52.00 | |
|  Madusanka, L D P | | | 1678 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Sathsindu, W M Minura | | | 1370 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Deshappriya, D Kalindu | | | 1573 | SRI | 0.50 | 1 | 0.47 | 40 | 18.80 | | | Thilakarathne, Nisal Dilushana | | | 1167 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Abiru, K A Aken | | | 1251 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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 |
| 1313 | 1032 | 1.50 | 5 | 0.64 | 40 | 25.60 | |
| | Bentharaarachchi, Vinuga Ometh | | | 1391 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Wickramarathne, P W G Gaveshi | | | 1357 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Akuratiya, A G Javindi Avarjana | | | 1375 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Saipriyan, T | | | 1226 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Mudalige, S M I Umandi | | | 1215 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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