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Individual Calculations September 2015 |
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| Rulach, Ryan Total change: -8.00 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1214 | 1.00 | 5 | -0.20 | 40 | -8.00 | |
|  Weerasinghe, C C | | | 1614 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lakmal, M A C | | | 1503 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Tourkine, N | | | 1601 | FRA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Wickramasinghe, Banuka Nimsith | | | 1518 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Seneviratne, Nivin Sithija | | | 1039 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | * 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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