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Individual Calculations February 2018 |
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| Weerasinghe, W Yasiru Total change: 0.00 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1122 | 0 | 1.50 | 5 | 0.00 | 973 | | 0.00 | |
|  Newansa, M Esandi | | | 1070 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Jayawardana, Chenuka Nethvidu | | | 1290 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Wijerathne, M M H T | | | 1109 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | De Silva, T Dinura Hemjith | | | 1137 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Dissanayake, Emal Imandiv S | | | 1003 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1060 | 0 | 2.00 | 5 | 0.00 | 988 | | 0.00 | |
| | Perera, Isara Ranmeth | | | 1023 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Tennakoon, T M Sithil C | | | 1014 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Nimesh, Y | | | 1202 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Dassanayaka, D M S P | | | 1027 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Thewanjith, M D Movindu | | | 1032 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1222 | 0 | 1.00 | 4 | 0.00 | 1029 | | 0.00 | |
| | Judedorison, G | | | 1330 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Siriwardana, A I B | | | 1174 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Umeja, M K Esandi | | | 1253 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Suraweera, M C H Jananath | | | 1130 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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