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Individual Calculations November 2023 |
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| Wekumbura, W G S Induka Total change: 15.20 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1091 | 2.00 | 5 | 0.74 | 40 | 29.60 | |
|  Dharmasena, W M S S B | | | 1558 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Dissanayake, G R U D | | | 1168 | SRI | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Perera, K C D | | | 1244 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Nuwarapaksha, N P M Lakvindu | | | 1252 | SRI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Wijethilake, D N | | | 1303 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1193 | 1091 | 0.00 | 1 | -0.36 | 40 | -14.40 | |
| | Kumara, T M Nishantha Pradeep | | | 1193 | SRI | 0.00 | 1 | -0.36 | 40 | -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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