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Individual Calculations January 2019 |
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| Methiyra, G P Detumina Total change: 102.40 | |   |
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| Sri Lanka Inter Club B Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1208 | 0.50 | 2 | 0.33 | 40 | 13.20 | |
|  Piyumantha, M Thisal Manjith | | | 1589 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Weerawardane, Romesh | m | | 1608 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1364 | 1208 | 4.50 | 7 | 2.23 | 40 | 89.20 | |
| | Akasha, J P Vihanga | | | 1435 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Perera, D Upashan L | | | 1486 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Pathmasiri, R D Isuru Saranga | | | 1431 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Wickramasinghe, Nuran I | | | 1037 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Mihiran, K D Pawara Himsara | | | 1039 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Gamage, Ovin Vidmal | | | 1547 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | |
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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