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Individual Calculations February 2020 |
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| Akasha, J P Vihanga Total change: 20.80 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1252 | 1490 | 4.50 | 6 | -0.21 | 40 | -8.40 | |
|  Gawaramanna, M B M Nethul Sasmith | | | 1090 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Padukka, P V Gayuru Hansana | | | 1183 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Sethiya , A Vinuga | | | 1301 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Bandara, W M Nadil Dulshen | | | 1278 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Wijesekara, Bihandu Sanhinda | | | 1410 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Nirmal, Charith | | | 1247 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1485 | 6.00 | 8 | 0.73 | 40 | 29.20 | |
| | Wickramasinghe, V W A Sanuda Sand | | | 1091 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rangajeewa, M G Sachithra Sandar | | | 1224 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Sivathanujan, S | | | 1812 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Kaumina, M Yashika | | | 1179 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Adansooriya, B A | | | 1273 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Hewawasam, H Y Nevanjee Dimanya | | wf | 1634 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Liyanage, Savinu Suhaswin | | | 1161 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Weerasekara, Dishal Nimsara | | | 1411 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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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