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Individual Calculations March 2015 |
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| Kumarawadu, C S Total change: -81.00 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1466 | 1662 | 3.50 | 7 | -1.63 | 20 | -32.60 | |
|  Balasooriya, Sandamini Chathuni | | | 1262 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jayasekera, Himasha Dulanji | | wc | 1388 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Doluweera, Minul Sanjula | c | | 1974 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Wijerathne, Surath | | | 1394 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Wijesinghe, N L C Dojitha | | | 1372 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Perera, B S | | | 1499 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Jayawardana, Lasal | | | 1371 | SRI | 0.00 | 1 | -0.85 | 20 | -17.00 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1662 | 3.50 | 7 | -2.42 | 20 | -48.40 | |
| | Weerasinghe, Dakshaka | | | 1262 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dampage, V Isuraka | | | 1333 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Raheem, T Akeel | | | 1331 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Gammarachchi, O Dewpathi | | | 1395 | SRI | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Rajendram, Branavan | | | 1262 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Siriwardena, G T D | | | 1448 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Ranasinghe, R A Malidu Bathiya | | | 1487 | SRI | 0.00 | 1 | -0.73 | 20 | -14.60 | | | * 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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