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Individual Calculations February 2023 |
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| Francis, U M Senal Vishmin Total change: -110.00 | |   |
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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 |
| 1087 | 1371 | 4.00 | 7 | -1.85 | 40 | -74.00 | |
|  Herath, H M Chamuditha Sasen Band | | | 1091 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Madurawala, M G D S Shanuka | | | 1120 | SRI | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Gihanga, M L | | | 1086 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Chandrasiri, R B A | | | 1146 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Perera, Sachith Lakshan | | | 1032 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Liyanage, R L Mihini B | | wc | 1014 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Welege , Imantha Lakshan | | | 1121 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1072 | 1371 | 2.50 | 4 | -0.90 | 40 | -36.00 | |
| | Perera , A A Sethun Senhas | | | 1019 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | De Silva, M W Sanuth Nihinsa | | | 1053 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Kannangara, Ranul Insitha | | | 1080 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Thimanjana, Balage Kisandu | | | 1136 | SRI | 0.00 | 1 | -0.79 | 40 | -31.60 | |
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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