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Individual Calculations February 2016 |
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| Epa, W Buthmi J Total change: 0.80 | |   |
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| Kollonnawa Chess Classic 2015 | Colombo | SRI | 2015-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1175 | 1.00 | 3 | 0.02 | 40 | 0.80 | |
|  Mihiranga, K A Rajitha | | | 1529 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Wijerathne, Surath | | | 1459 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Peiris, T Shakya Imanjith | | | 1018 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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) | | | | Kalutara Chess Festival 2016 | Kalutara | SRI | 2016-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1460 | 1175 | 0.50 | 3 | 0.00 | 40 | 0.00 | |
| | De Silva, S S Gayashan | | | 1451 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Samarasinghe, Wayuni Vinara | | | 1541 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Dahanayake, Isara Banidu | | | 1388 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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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