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Individual Calculations February 2020 |
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| Weerasekara, Dishal Nimsara Total change: 71.20 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 9 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1149 | 1428 | 3.00 | 4 | -0.31 | 40 | -12.40 | |
|  Nuwarapaksha, N P M Lakvindu | | | 1028 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Bandara, H M Risindu Methsara | | | 1169 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Hansana, G Haritha | c | | 1233 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Francis, U M Senal Vishmin | | | 1167 | SRI | 1.00 | 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1411 | 5.50 | 7 | 2.09 | 40 | 83.60 | |
| | Dissanayaka, D A K N R | | | 1039 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Samarakoon, Vivash Ransara | | | 1177 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Tennakoon, Lisara Samadhith | | | 1584 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Wijekoon, Chandana | c | | 1811 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerakoon, Devuja S | | | 1221 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Hewawasam, H Y Nevanjee Dimanya | | wf | 1634 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Akasha, J P Vihanga | | | 1485 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | * 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) | | |
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