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Individual Calculations September 2015 |
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| Perera, W C C Total change: -13.80 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 2100 | 6.00 | 8 | -0.69 | 20 | -13.80 | |
|  Perera, K A Nethsara Navodyajith | | | 1700 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jayawickrama, U W R K | | | 1700 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Herath, H M S S A | | | 1700 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Naotunna, D R | | | 1751 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Egodage, Thilina | | | 1820 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Boricha, Ketan | | | 2043 | IND | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Danushka, M A N | | | 1879 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Weerasinghe, Chamath | | | 1818 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * 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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