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Individual Calculations May 2017 |
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| Gamarathne, Oneth Total change: 40.40 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1186 | 3.00 | 6 | 0.57 | 40 | 22.80 | |
|  Sheshan, H H N | | | 1049 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Perera, Thilina | | | 1498 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Koggala, W S T N | | | 1573 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Murali, V. | | | 1480 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Yasanjith, M H Dinura | | | 1049 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Oshadhee, M Sapna | | | 1046 | SRI | 1.00 | 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) | | | | National Youth Chess Championship 2017 - Under 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1183 | 1186 | 3.00 | 5 | 0.44 | 40 | 17.60 | |
| | Rajapaksha, Sethum Damhiru | | | 1036 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Dharmakeerthi, G K Pasindu Nims | | | 1462 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Illankoon, I M W P | | | 1033 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Alwela, Senuja Thimeth | | | 1114 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Indusara, M G Janitha | | | 1268 | SRI | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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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