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Individual Calculations February 2020 |
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| Tennakoon, I L K Total change: -71.00 | |   |
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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 |
| 1343 | 1523 | 2.00 | 5 | -1.50 | 20 | -30.00 | |
|  Atulugamage, Saniru Lohan | | | 1123 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bandara, Dhanushka | | | 1837 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Gayanuka, B D Omira | | | 1241 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Wijesinghe, Ramika Risiwara | | | 1123 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayaweera Gamage, Disindu Hansad | | | 1392 | SRI | 0.00 | 1 | -0.68 | 20 | -13.60 | | | * 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1184 | 1475 | 3.00 | 6 | -2.05 | 20 | -41.00 | |
| | Dissanayake, D A Thavinsa Archani | | | 1105 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Thanujana, D M Sinaly | | | 1162 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Thanuja, Dewsara | | | 1201 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Karunarathne, D D W Gamini | | | 1220 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gunathilake, M D Vinuda Shenal | | | 1238 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Samarakoon, Vivash Ransara | | | 1177 | SRI | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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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