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Individual Calculations January 2019 |
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| Abhaywardhana, Nirma Pahasara Total change: -1.20 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1102 | 0.00 | 2 | -0.53 | 40 | -21.20 | |
|  Herath, H M M D | | | 1283 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Srilal, D A D T | | | 1281 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1102 | 1.00 | 4 | 0.50 | 40 | 20.00 | |
| | Wijesuriya, G P Y | | wc | 1502 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Gayathmie, U G K | | | 1446 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Jayasuriya, Linali Andrea | | | 1412 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Choksy, Anaisha | | | 1388 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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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