Individual Calculations February 2023 |
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Koswattage, Hirudi Total change: 0.00 | | |
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Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
Rc | Ro | w | n | change | Rp | K | K*chg | Game |
1178 | 0 | 1.50 | 6 | 0.00 | 985 | | 0.00 | |
| Koswattage, Biman | | | 1249 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | Weerasinghe, Liviru Eranda | | | 1406 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | Welege , Imantha Lakshan | | | 1121 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | Thennakoon, Akitha | | | 1124 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | Kalhan, S Vojitha | | | 1089 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | Kannangara, Ranul Insitha | | | 1080 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | 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 | Rp | K | K*chg | Game |
1146 | 0 | 1.50 | 6 | 0.00 | 953 | | 0.00 | |
| Koswattage, Biman | | | 1249 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | Wijeratne, W D R T | | | 1178 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | Maitipe, M T Anuja Nadun | | | 1114 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | Tharanga, R A R | | | 1027 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | Weerasinghe, J A M R | | | 1145 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | Fernando, G Naween Sithija | | | 1164 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | 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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