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Individual Calculations May 2017 |
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| Botheju, Dilshan Shimalka Total change: -30.80 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1035 | 0.00 | 3 | -0.71 | 40 | -28.40 | |
|  Gamage, Randula Navodya | | | 1435 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Padukka, P V Gayuru Hansana | | | 1157 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Akasha, J P Vihanga | | | 1188 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1199 | 1035 | 0.50 | 2 | -0.06 | 40 | -2.40 | |
| | Wimaladharma, W Jithain Oshadha | | | 1192 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Gunathilake, M D Kehan S | | | 1206 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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