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Individual Calculations September 2017 |
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| Dissanayake, Sasandu Upeksha Total change: 0.40 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1090 | 1.00 | 5 | 0.01 | 40 | 0.40 | |
|  Kodithuwakku, Himsara | | | 1490 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1427 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Punchihewa, Kokila Prageeth | | | 1421 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Wickramarathne, T D | c | | 1277 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Athapaththu, Jithindu Dulanjana | | | 1155 | SRI | 0.50 | 1 | 0.09 | 40 | 3.60 | | | * 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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