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Individual Calculations May 2017 |
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| Edirisinghe, Navod Total change: -6.40 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1362 | 1158 | 0.50 | 3 | -0.37 | 40 | -14.80 | |
|  De Silva, Osheen | | | 1558 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rathnayake, Jeewanthi | | | 1497 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Weerasekara, Danuja Sanjula | | | 1031 | SRI | 0.50 | 1 | -0.17 | 40 | -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) | | | | National Youth Chess Championship 2017 - Under 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1158 | 2.50 | 5 | 0.21 | 40 | 8.40 | |
| | Omaththage, S Y | | | 1291 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | De Silva, M Manindu Chanthil | | | 1257 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Chandira, K W Yasandu | | | 1318 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Suraweera, M C H Jananath | | | 1054 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Harischandra, Thisath Ranpul | | | 1026 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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