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Individual Calculations February 2018 |
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| Kanchana, W A Total change: 12.00 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1043 | 0.50 | 4 | -0.07 | 40 | -2.80 | |
|  Amarasinghe, A A C B | | | 1443 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Munasinghe, Wethmin Induwara | | | 1253 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Akash, P A Oditha | | | 1443 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Nanayakkara, P N J | | | 1304 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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) | | | | Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1183 | 1043 | 1.00 | 2 | 0.37 | 40 | 14.80 | |
| | Rathnayake, H M Dham Pulindu | | | 1149 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Wiijesinghe , Pasan Januda | | | 1217 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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) | | |
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