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Individual Calculations February 2019 |
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| Jayasuriya, Linali Andrea Total change: -22.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 15 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1412 | 4.00 | 6 | -0.74 | 40 | -29.60 | |
|  Attanayaka, Tharushi | | | 1138 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Indrajith, J A K N T | | | 1259 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Irunika, S D Aruni | | | 1207 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Pathirana, W P Voji Nimla | | | 1199 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Sandanayake, Nimansa Sasanduni | | | 1096 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Rupasinghe, A M S Anujana | | | 1163 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1404 | 5.00 | 8 | 0.19 | 40 | 7.60 | |
| | Karunarathna, D D C Adithya Kum | | | 1009 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 1804 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Desurra, G P Damsilu | | | 1066 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | De Silva, T H Harshana | | | 1143 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Amarasinghe, A A C B | | | 1804 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Maithripala, W D P N | | | 1117 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Pabasara, K A Rathmi | | | 1114 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Cooray, T C M Dulein Kavindu | | | 1512 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | * 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) | | |
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