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Individual Calculations May 2017 |
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| Gamage, Mesanda Total change: 104.00 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1063 | 1.50 | 5 | 0.42 | 40 | 16.80 | |
|  Abeysinghe, H M H Janandani | | | 1463 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Perera, D Upashan L | | | 1333 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Karunarathne, D D W Gamini | | | 1257 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Akasha, J P Vihanga | | | 1188 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Samarasinghe, Methsara | | | 1253 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1188 | 1063 | 4.50 | 7 | 2.18 | 40 | 87.20 | |
| | Dharmasena, S B T V | | | 1191 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Yapabandara, Y | | | 1208 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Samaraweera, Dimuth Indeepa | | | 1170 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Padukka, P V Gayuru Hansana | | | 1157 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Dalawella, Sanuka Chandul | | | 1177 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Basnayake, Kaushal Chaturanga | | | 1176 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Geesara, K T Risin | | | 1236 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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