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Individual Calculations May 2017 |
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| Dilanya, W V Nethmi Total change: 82.00 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1157 | 3.00 | 5 | 1.57 | 40 | 62.80 | |
|  Shazna Lye, Gnei | | | 1010 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | |  Perera, K Saviru Rashien Dilruk | | | 1335 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Koggala, W S T N | | | 1557 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Murali, V. | | | 1480 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Jayasundara, K M Sohanee Divyana | | | 1346 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 12 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1030 | 1157 | 2.50 | 3 | 0.48 | 40 | 19.20 | |
| | Rathnayake, R M D S | | | 1071 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Matheesha, W Isiri | | | 1009 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Shazna Lye, Gnei | | | 1010 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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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