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Individual Calculations January 2019 |
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| Himsara, W A Janidu Total change: -46.40 | |   |
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| Sri Lanka Inter Club B Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1288 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Dissanayake, R K T | | | 1688 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sandamith, W M | | | 1688 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1197 | 1288 | 1.50 | 4 | -1.00 | 40 | -40.00 | |
| | Rabel, Chinthaka | | | 1600 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Bandara, H M Risindu Methsara | | | 1019 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Perera, Dinujaya Thathsara | | | 1071 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Sandanayake, Nimansa Sasanduni | | | 1096 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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