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Individual Calculations September 2019 |
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| Kottahachchi, A S Total change: -52.60 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1072 | 1452 | 1.00 | 4 | -2.63 | 20 | -52.60 | |
|  Thalgaswatta, N S | | | 1114 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Thimanjana, Balage Kisandu | | | 1070 | SRI | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Vidharshana, T H Oshid Warshaka | | | 1052 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Herath, H M D L | | | 1052 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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