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Individual Calculations May 2017 |
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| Sheshan, H H N Total change: -37.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1224 | 1049 | 0.50 | 4 | -0.59 | 40 | -23.60 | |
|  Gamarathne, Oneth | | | 1186 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Nethmina, S A Indura | | | 1275 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | |  Weerasinghe, H K P | | | 1264 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Jayawardana, Chenuka Nethvidu | | | 1172 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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) | | | | National Youth Chess Championship 2017 - Under 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1049 | 1.00 | 5 | -0.34 | 40 | -13.60 | |
| | Kahandawala, K O A | | | 1243 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Welangalla, Nenitha | | | 1207 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Senevirathne, H Dulith Taruka | | | 1382 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayawardana, Chenuka Nethvidu | | | 1172 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Weththawa, B G E D | | | 1156 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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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