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Individual Calculations March 2015 |
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| Senavin, Dunura Total change: 88.40 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1602 | 1501 | 5.50 | 8 | 2.36 | 40 | 94.40 | |
|  Senura, H G Dilshan | | | 1101 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Prabajith, Asela | | | 1816 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Premaratne, Savin Vindiya | | | 1176 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Rajendram, Branavan | | | 1262 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Senanayaka, P D | | | 1869 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Weerasinghe, Chamath | | | 1857 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Priyadharshana, A A B D | | | 1901 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Deegoda, S R | | | 1837 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1512 | 3.00 | 6 | -0.15 | 40 | -6.00 | |
| | Perera, Mulina | | | 1156 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ekanayake, A M B | | | 1747 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Gamage, Ovin Vidmal | | | 1324 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Raheem, T Akeel | | | 1331 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Nanayakkara, J A K Saranath | | | 1700 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Ellawela, Suveen | | | 1654 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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