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Individual Calculations September 2015 |
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| Perera, K A Nethsara Navodyajith Total change: -30.80 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1292 | 1030 | 0.00 | 4 | -0.77 | 40 | -30.80 | |
|  Perera, W C C | c | | 1430 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Birunthaban, Rajendram | | | 1292 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wickramasinghe, Sonal | | | 1273 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Premaratne, Savin Vindiya | | | 1174 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | * 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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