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Individual Calculations March 2015 |
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| Rajapaksa, Inura Total change: -52.00 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1362 | 1491 | 4.00 | 8 | -1.26 | 40 | -50.40 | |
|  De Silva, H V A Shashi T | | | 1091 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Amarasinghe, A A C B | | | 1877 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Weerasinghe, Liseni | | | 1179 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Fernando, J M Marlon P | | | 1815 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sarathchandra, Thihansa Dewwanth | | | 1273 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Gunatunga, K D Ovindu Mandith | | | 1219 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Piyumantha, M Thisal Manjith | | | 1189 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Kodithuwakku, Lisara | | | 1249 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | * 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 |
| 1487 | 1491 | 4.00 | 8 | -0.04 | 40 | -1.60 | |
| | Thanuja, Dewsara | | | 1137 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Nanayakkara, J A K Saranath | | | 1700 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Vidyarathna, Anjitha | | | 1253 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | De Moraes, Shamin | | | 1821 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Kodikara, N S | | | 1263 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Prabath, D G Ravi | | | 1818 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Mendis, P Kavinda | | | 1218 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Liyanage, Ranindu Dilshan | | | 1683 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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