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Individual Calculations February 2019 |
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| Sendinu, S A Rometh Total change: -19.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1156 | 1007 | 1.50 | 5 | -0.01 | 40 | -0.40 | |
|  Gamage, Liviru Hansana | | | 1199 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Bandara, R M D T | | | 1142 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | |  Lankasinghe, Movindu Jayuka | | | 1131 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Ramanayaka, Y R P M | | | 1188 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Ransilu, K A Rahal | | | 1118 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1001 | 0.00 | 4 | -0.47 | 40 | -18.80 | |
| | Tennakoon, Lisara Samadhith | | | 1401 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Indrajith, J A K N T | | | 1256 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Seneka, M W Thenumi | | | 1333 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayarathne, M N G | | | 1401 * | 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) | | |
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