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Individual Calculations September 2018 |
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| Siriwardena, Chirath Total change: -25.00 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1673 | 3.50 | 6 | -1.25 | 20 | -25.00 | |
|  Wickramathunga, Thameera | | | 1364 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Deshappriya, D Kalindu | | | 1505 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Udara, D A Yasas | | | 1417 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Dodangoda, Binura | | | 1414 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Charith, Dilshan | | | 1574 | SRI | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Jayawickrama, U W R K | | | 1313 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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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