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Individual Calculations September 2018 |
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| Samarakoon, Vivash Ransara Total change: 60.80 | |   |
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| Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1285 | 1001 | 2.50 | 6 | 1.52 | 40 | 60.80 | |
|  Punchihewa, Kokila Prageeth | | | 1362 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Chandes, K Yasindu | | | 1314 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Basnayake, B M Thesandu Aken | | | 1310 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Poththewala, Chamindi | | | 1199 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Peiris, K Bimsara | | | 1263 | SRI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Perera, S D Lahiru | | | 1263 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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