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Individual Calculations August 2018 |
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| Premathilaka, W P P G Sampath Total change: -11.60 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1012 | 0.50 | 3 | 0.03 | 40 | 1.20 | |
|  Askey, Raveen Nimesh | | | 1412 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Madusanka , L D D | | | 1259 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Perera, G S M | | | 1253 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | 3rd SSC Open International Rating Chess Tournament 2018 | Matara | SRI | 2018-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1012 | 0.00 | 2 | -0.32 | 40 | -12.80 | |
| | Hansana, G Haritha | c | | 1227 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Katugampola, A H | | | 1402 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | |
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