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Individual Calculations February 2016 |
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| Sandeepa , W A Geeshan Total change: 49.60 | |   |
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| Kollonnawa Chess Classic 2015 | Colombo | SRI | 2015-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1225 | 2.00 | 4 | 0.45 | 40 | 18.00 | |
|  Ranawaka, Nuran Lakshitha N | | | 1524 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Herath, H M S S A | | | 1561 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Irunika, S D Aruni | | | 1106 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Kariyawasam, L Hirunima | | | 1138 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Kalutara Chess Festival 2016 | Kalutara | SRI | 2016-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1225 | 2.00 | 5 | 0.79 | 40 | 31.60 | |
| | Amarasinghe, A A C B | | | 1625 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dabarera, G W D M | | | 1539 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Withanage, Lakindu | | | 1520 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Sandaruwan, M G Ravindu | | | 1056 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Gamage, Nethmi Nirasha | | | 1557 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | * 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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