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Individual Calculations September 2017 |
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| Silva, Kevin Ranidu Total change: -19.20 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1510 | 1822 | 5.50 | 7 | -0.48 | 40 | -19.20 | |
|  Nabil Nazar, Mohamed | | | 1422 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Koggala, W S T N | | | 1543 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Liyanarachchi, Sanosh Shamal | | | 1512 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Jayawardana, Lasal | | | 1669 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Perera, Thilina | | | 1477 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Sooriyaarachchi, Isuru Madusha | | | 1527 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Saravanabaavan, Brijeash | | | 1422 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | |
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