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Individual Calculations September 2019 |
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| Laksandu, R A Chamath Total change: 14.40 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1083 | 1.00 | 4 | 0.36 | 40 | 14.40 | |
|  Wickramasinghe, Minethma Lasandi | | wc | 1384 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Sandaruwan, M G Ravindu | | | 1455 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Kulathilake, S M M P | | | 1388 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Fonseka, Waranakulasuriya Chan Ch | | | 1276 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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