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Individual Calculations September 2015 |
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| Senevirathne, H Dulith Taruka Total change: 1.20 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1171 | 1.00 | 5 | 0.03 | 40 | 1.20 | |
|  Herath, H M S S A | | | 1569 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, Kamesh Janaja | | | 1383 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Wijerathne, Surath | | | 1422 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Selvakumar, Thangarajah | | | 1336 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Premarathne, H R S P | | | 1422 | 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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