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Individual Calculations August 2023 |
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| Gamage, P Lakindu Chamalka Total change: 24.80 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1106 | 1.00 | 4 | 0.62 | 40 | 24.80 | |
|  Obeysekara, T A Sajith Chathuran | | | 1684 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Laksiri, A A Kavishka Gimshan | | | 1705 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Sanuda, Rehan | | | 1342 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Ushantha, R | | | 1419 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | |
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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