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Individual Calculations January 2019 |
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| Mallawaaratchi, M Januthi S B Total change: -27.20 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1162 | 1010 | 0.00 | 2 | -0.60 | 40 | -24.00 | |
|  Ayeshan, Nipuna | | | 1162 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Gunarathne, H D D Daham | | | 1162 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1010 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Perera, D Upashan L | | | 1410 * | 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) | | |
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