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Individual Calculations February 2020 |
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| Atulugamage, Saniru Lohan Total change: -29.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1366 | 1029 | 0.00 | 3 | -0.39 | 40 | -15.60 | |
|  Kulathilake, S M M P | | | 1429 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tennakoon, I L K | | | 1429 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gayanuka, B D Omira | | | 1241 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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) | | | | Sri Lanka National Youth Chess Championship 2019 - Under 11 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1029 | 0.00 | 2 | -0.35 | 40 | -14.00 | |
| | Wickramarathne, T D | c | | 1429 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nimsanda, K H Savitha | | | 1203 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * 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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