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Individual Calculations September 2015 |
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| Iru Kumarasiri, W M G Total change: 12.80 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1339 | 3.50 | 6 | 0.32 | 40 | 12.80 | |
|  Naotunna, D R | | | 1739 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Perera, G A Lakindu Chandira | | | 1120 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Uyanhewage, T K | | | 1669 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayatilaka, W M M Amodya | | | 1124 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Premaratne, Savin Vindiya | | | 1174 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Perera, D Upashan L | | | 1179 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | * 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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