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Individual Calculations October 2019 |
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| Judedorison, G Total change: -16.80 | |   |
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| 10th Buddhi International Rating Chess Championship 2019 | Gampaha | SRI | 2019-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1237 | 1489 | 4.50 | 7 | -1.15 | 20 | -23.00 | |
|  Wedagedara, Mahesh | | | 1185 | SRI | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Bandara, Senomi Imethma | | | 1158 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Wickramarathne, P W G Gaveshi | | | 1233 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Weerasekara, Dishal Nimsara | | | 1244 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Jayasinghe, J A V A T | | | 1209 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Dissanayaka, Anupama | | | 1291 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Arthigan, J | | | 1340 | SRI | 0.50 | 1 | -0.20 | 20 | -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) | | | | National Sports Festival Chess Championship 2019 - Men | Badulla | SRI | 2019-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1644 | 1489 | 2.00 | 5 | 0.31 | 20 | 6.20 | |
| | Bandara, K L A P | | | 1190 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Herath, H M A K | | | 1773 | SRI | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Deshappriya, D Kalindu | | | 1478 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Samaranayake, K P R N | | | 1889 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Munasinghe, Lahiru | | | 1889 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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