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Individual Calculations August 2023 |
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| Siriwardene, R B Sithum Nevanjith Total change: 4.40 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1176 | 0.50 | 4 | 0.11 | 40 | 4.40 | |
|  Samaranayake, Pamok Methdinu | | | 1735 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Jayasundara, P K U M | c | | 1938 | SRI | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Liyanage, B K D | | | 1449 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Sandaruwan, M G Ravindu | | | 1425 | SRI | 0.00 | 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) | | |
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