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Rapid:
Individual Calculations December 2018 |
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| Gunasinghe, S R Total change: -16.80 | |   |
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| Mercantile and Government Service Rapid Chess Championship 2018 | Colombo | SRI | 2018-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1797 | 2.00 | 4 | -0.84 | 20 | -16.80 | |
|  Selvarajah, Selvendra | | | 1397 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Gunawardhana, W A D P M | | | 1581 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Siriwardana, Sheranga | | | 1541 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Dickmadugodage, Ravi Prabath | | | 1921 | SRI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | * 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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