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Individual Calculations May 2017 |
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| Jayarathna, Sharada Induwara Total change: -12.00 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1238 | 1043 | 0.50 | 3 | -0.33 | 40 | -13.20 | |
|  Gunaratne, Ayeshmanthi | | | 1443 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Jayawardana, Chenuka Nethvidu | | | 1172 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Hewage, Hesandu Hansana | | | 1099 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | | | * 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 10 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1151 | 1043 | 1.50 | 4 | 0.03 | 40 | 1.20 | |
| | Senevirathne, A M L M | | | 1126 | SRI | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Dharmasena, W M S S B | | | 1038 | SRI | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Basnayake, B M Thesandu Aken | | | 1103 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Perera, K Saviru Rashien Dilruk | | | 1335 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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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