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Individual Calculations January 2018 |
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| Perera, Mulina Total change: -10.80 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1154 | 1.00 | 4 | -0.27 | 40 | -10.80 | |
|  Nethmina, S A Indura | | | 1277 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |  De Silva, J I Ajantha | | | 1382 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Edirisinghe, S Thulnith | | | 1554 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rodrigo, I Vihanga Mithsara | | | 1047 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | * 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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