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Individual Calculations September 2015 |
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| Selvakumar, Thangarajah Total change: -48.60 | |   |
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| Mercantile / Government Services International Rating Chess Championship 2015 | Colombo | SRI | 2015-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1336 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Madusanka, L D P | | | 1736 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chandrasiri, S A | | | 1736 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | NOTE: K factor changed | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1178 | 1336 | 3.50 | 8 | -2.11 | 20 | -42.20 | |
|  Peiris, H Pevinya | | | 1669 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Perera, D G D Y Adeekshana | | | 1130 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Seneviratne, Nivin Sithija | | | 1039 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Wijekoon, Venuja Ransana | | | 1117 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Sathmina, S L Lalindu | | | 1041 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Weerasinghe, Liseni | | | 1148 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Senevirathne, H Dulith Taruka | | | 1171 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Prathapasinghe, Hashini Ramesha | | | 1106 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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) | | |
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