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Individual Calculations January 2018 |
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| Gamage, Desandhi Dhihansa Total change: -44.80 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1300 | 1078 | 0.00 | 3 | -0.66 | 40 | -26.40 | |
|  Thenuwara, Rashmika | | | 1275 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Tennakoon, Lisara Samadhith | | | 1291 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Gunarathne, Senila Amaneth | c | | 1335 | 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) | | | | 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1385 | 1078 | 0.00 | 3 | -0.46 | 40 | -18.40 | |
| | Kodithuwakku, Lisara | | | 1478 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kiriella, K G Gimantha Gayasha | | | 1404 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Rangajeewa, M G Sachithra Sandar | | | 1273 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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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