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Individual Calculations February 2019 |
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| Morais, Sanithu Leander Pamudith Total change: 0.80 | |   |
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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 |
| 1264 | 1417 | 5.50 | 8 | -0.01 | 40 | -0.40 | |
|  Nanayakkara, A Holindu Chehan | | | 1088 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Arthigan, J | | | 1176 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Liyanage, Kusalvin | | | 1208 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Piyarthne, Movindu Lushan | | | 1154 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | De Silva, H Adeepa Virajitha | | | 1201 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Marapana, Sanupa Bimsath | | | 1275 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Samaraweera, Dimuth Indeepa | | | 1437 | SRI | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Kiriella, K G T S D | | | 1570 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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 |
| 1415 | 1507 | 5.50 | 9 | 0.03 | 40 | 1.20 | |
| | Liyanage, Savinu Suhaswin | | | 1107 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Withana, Vidun Manmitha | | | 1205 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Wijekoon, Chandana | c | | 1905 | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Wiratunga, Jenith | | | 1292 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Jayasinghe, Keeth M S | | | 1802 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | De Silva, Osheen | | | 1808 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Gamarathne, Oneth | | | 1256 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Perera, Isara Ranmeth | | | 1221 | SRI | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Bandara, Viduna Lewke | | | 1141 | SRI | 1.00 | 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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