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Individual Calculations May 2018 |
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| Gamarathne, Oneth Total change: 4.40 | |   |
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| 11th Colombo International Chess Championship 2018 | Colombo | SRI | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1605 | 1231 | 0.50 | 4 | 0.11 | 40 | 4.40 | |
|  Jayasundara, P K U M | c | | 1631 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  De Silva, Chamindra | | | 1565 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Tribuwan, T W Helik | | | 1602 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Chandrasiri, Vajira Saroj | | | 1620 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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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