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Individual Calculations January 2019 |
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| Rohana, V T Malitha Total change: 41.20 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1189 | 3.00 | 4 | 0.84 | 40 | 33.60 | |
|  Senevirathne, S D H | | | 1058 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |  De Silva, Osheen | | | 1589 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Silva, W H K P | | | 1029 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Abeykoon, M C H | | | 1048 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | * 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1276 | 1189 | 3.00 | 7 | 0.19 | 40 | 7.60 | |
| | Pathmasiri, R D Isuru Saranga | | | 1431 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Chandula, E D S | | | 1492 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Saravanabaavan, Brijeash | | | 1469 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jayawardana, Chenuka Nethvidu | | | 1456 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Kalhara, W A Harindu | | | 1047 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Senevirathne, G R Lakmin | | | 1010 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Waduge, Thathika | | | 1029 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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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