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Individual Calculations January 2019 |
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| Akasha, J P Vihanga Total change: 4.80 | |   |
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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 |
| 1476 | 1435 | 3.00 | 5 | 0.74 | 40 | 29.60 | |
|  Weerawardane, Romesh | m | | 1835 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Rupathunga, H M S P | | | 1151 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Piyumantha, M Thisal Manjith | | | 1589 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Rupasinghe, S S S | | | 1110 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Thilakarathne, D G D Chamil | | | 1693 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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 |
| 1154 | 1435 | 3.50 | 5 | -0.62 | 40 | -24.80 | |
| | Gunathilaka, I Senadi Lisara | | | 1050 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Methiyra, G P Detumina | | | 1208 | SRI | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Munasinghe, Luvin Amantha | | | 1038 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Keerthisinghe, K P Akindu Levjith | | | 1172 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Basnayake, B M Thesandu Aken | | | 1301 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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