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Individual Calculations May 2017 |
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| Wijesinghe , Ramika Risiwara Total change: -40.80 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1320 | 1051 | 0.00 | 2 | -0.40 | 40 | -16.00 | |
|  Perera, Thilina | | | 1451 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Wijesekara, Bihandu Sanhinda | | | 1188 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | * 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1192 | 1051 | 0.00 | 2 | -0.62 | 40 | -24.80 | |
| | Bogodawatte , Keshan | | | 1190 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | De Silva, H Adeepa Virajitha | | | 1194 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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