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Individual Calculations September 2018 |
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| Jayaswarna, Amila Basura Total change: 62.00 | |   |
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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 |
| 1678 | 1332 | 2.00 | 4 | 1.55 | 40 | 62.00 | |
|  Perera, K L D J | | | 1668 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | |  Sheriff, T S | | | 1671 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Chandrasiri, S A | | | 1725 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerakoon, D D P | | | 1649 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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