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Individual Calculations February 2023 |
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| Perera, Dinith Total change: 0.00 | |   |
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| Colombo District Youth Chess Championships 2023 - Under 14 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1096 | 0 | 0.00 | 2 | 0.00 | 296 | | 0.00 | |
|  Siriwardene, R B Sithum Nevanjith | | | 1171 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Preena , M Thariq | | | 1021 | 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 |
| 1037 | 0 | 0.50 | 4 | 0.00 | 715 | | 0.00 | |
| | Minthaka, P D Yasiru Nivain | | | 1029 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Liyanage, Deneth Dulanwin | | | 1004 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Perera , A A Sethun Senhas | | | 1019 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kothalawala, Ramath Hansaka | | | 1095 | 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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