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Individual Calculations January 2024 |
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| Wishwakeerthi, H M Rashmika Sri Total change: 68.00 | |   |
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| Jaffna International Rating Open Chess tournament 2023 | Jaffna | SRI | 2023-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1318 | 1057 | 2.50 | 6 | 1.39 | 40 | 55.60 | |
|  Vithanage, Chamin | | | 1397 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Gunasekara, Aritha Chanthula Abes | | | 1258 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Indrajith, J A K N T | | | 1347 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Selvakumar, Thangarajah | | | 1327 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Vipooshanan, Janarthanan | | | 1291 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Dayarathne, R S T | | | 1285 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Ehugalpura International Open Chess Championship 2023 | Kurunegala | SRI | 2023-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1057 | 1.00 | 3 | 0.31 | 40 | 12.40 | |
| | Ganepola, Thushanu Yasmith | | | 1310 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Bandara, A H M G N | | | 1235 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Gupta, R K | | | 1264 | IND | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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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