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Individual Calculations May 2017 |
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| Perera, Sehath Sanvidu R A D Total change: -21.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1401 | 1126 | 0.00 | 2 | -0.38 | 40 | -15.20 | |
|  Kumara, C M S Praneeth | | | 1526 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Nethmina, S A Indura | | | 1275 | 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1126 | 0.00 | 1 | -0.16 | 40 | -6.40 | |
| | Withanarachchi, W A P I | | | 1413 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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