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Individual Calculations August 2023 |
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| Ratnayake, Rivinu Dulnith Total change: 6.40 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1148 | 1.00 | 3 | 0.16 | 40 | 6.40 | |
|  De Silva, Osheen | | | 1689 | SRI | 0.50 | 1 | 0.47 | 40 | 18.80 | |  Bandara, W M Kenul Thisen | | | 1084 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Deshappriya, D Kalindu | | | 1369 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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