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Individual Calculations February 2016 |
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| Herath, Sanduni Total change: -4.80 | |   |
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| Kollonnawa Chess Classic 2015 | Colombo | SRI | 2015-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1244 | 1224 | 2.00 | 6 | -1.05 | 40 | -42.00 | |
|  Hettiarachchi, C U | | | 1624 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Tribuwan, T W Helik | | | 1624 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hettige, Indushika Anjani | | | 1068 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Perera, Dulain | | | 1063 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Samarakkodi, Malini Samaya | | | 1047 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Sheshan, H H N | | | 1040 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | * 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) | | | | 20th Battle of the Kings | Colombo | SRI | 2016-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1224 | 2.00 | 3 | 0.93 | 40 | 37.20 | |
| | Choksy, Anaisha | | | 1210 | SRI | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Weerasinghe, Lihara | | | 1285 | SRI | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Samarasinghe, Wayuni Vinara | | | 1541 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |
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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