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Individual Calculations February 2023 |
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| Chandrasiri, P K Total change: -64.20 | |   |
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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 |
| 1128 | 1374 | 3.00 | 6 | -1.81 | 20 | -36.20 | |
|  Kanchana, W A | | | 1129 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | |  Kalhan, S Vojitha | | | 1089 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Mallawaarachchi, M A K | | | 1035 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Somarathne, L H M G S | | | 1156 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Lankatilleke, Sathindu Vidujaya | | | 1183 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Perera, G Thinuka Geethula | | | 1174 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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 |
| 1225 | 1374 | 3.50 | 7 | -1.40 | 20 | -28.00 | |
| | Hapuarachchi, H A D S | | | 1120 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Wijekoon, Chandana | c | | 1823 | SRI | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Abeysekera, Bises Oneja | | | 1115 | SRI | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Abewardhana, Nuhansa Dewlini | | | 1091 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Sithumsa, H G Sasmi | | | 1077 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Fernando, Mayon Dinuth Mindula | | | 1138 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Vihanga, R A D Rusiru | | | 1210 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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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