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Individual Calculations May 2017 |
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| Perera, K Saviru Rashien Dilruk 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 |
| 1099 | 1335 | 2.50 | 6 | -2.25 | 40 | -90.00 | |
|  Perera, Mulina | | | 1130 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | |  Yasanjith, M H Dinura | | | 1049 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Dilanya, W V Nethmi | | | 1157 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Saravanabaavan, Yughatharoon | | | 1081 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Basnayake, B M Thesandu Aken | | | 1103 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Weerasiri, H P Sayuni Chamathna | | | 1071 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | |
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 |
| 1043 | 1335 | 0.50 | 1 | -0.35 | 40 | -14.00 | |
| | Jayarathna, Sharada Induwara | | | 1043 | 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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