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Individual Calculations August 2018 |
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| Karunarathne, W M V W B Total change: -31.00 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1830 | 3.00 | 5 | -1.55 | 20 | -31.00 | |
|  Keppetipola, A W H P M | | | 1430 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Samarakoon, Hevidu | | | 1497 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Alwis, B H A Rasidu | | | 1430 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Siriwardane, A L | | | 1445 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Chandrasekara, C M L R B | | | 1430 * | 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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