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Individual Calculations February 2023 |
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| Abeysinghe, H M H Janandani Total change: -36.60 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1271 | 1490 | 5.50 | 8 | -0.54 | 20 | -10.80 | |
|  Namarathna, H K T I | | | 1166 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | |  Javeenarsh, L | | | 1086 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijesinghe, W A M C | | | 1176 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Rajawasala, R U D Janith Dulmina | | | 1161 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Dissanayake, D M Madushan Sameera | | | 1278 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Yanakan, P | | | 1251 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Chandrasiri, L S D | | | 1200 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1210 | 1490 | 4.50 | 7 | -1.29 | 20 | -25.80 | |
| | Premarathne, W M Lavindu Sohas | | | 1159 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Chandrasiri, R B A | | | 1146 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | De Alwis, K K Y M | | | 1105 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Herath, H M D L | | | 1209 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Wickramarathne, P W G Gaveshi | | | 1311 | SRI | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Wishwapura, W D M Indusara | | | 1216 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Adansooriya, B A | | | 1326 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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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