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Individual Calculations September 2019 |
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| Gunathilake, M D Vinuda Shenal Total change: 58.00 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1207 | 1.50 | 4 | 0.60 | 40 | 24.00 | |
|  Jayaweera, Hashan | | | 1373 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Wiratunga, Jenith | | | 1458 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Menuka, Udara | | | 1551 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Perera, D G D Y Adeekshana | | | 1346 | SRI | 0.50 | 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1207 | 1.50 | 5 | 0.85 | 40 | 34.00 | |
| | Suranjith, K W A | | | 1592 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Wijerathne, Surath | | | 1423 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Siriwardena, R I Pasan Bhanuka | | | 1563 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Jayathilaka, R R C L | | | 1543 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Sathmina, S L Lalindu | | | 1555 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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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