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Individual Calculations May 2017 |
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| Oshadhee, M Sapna Total change: -20.80 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1271 | 1046 | 1.00 | 4 | 0.08 | 40 | 3.20 | |
|  Rathnayake, Jeewanthi | | | 1446 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bandaranayake, A | | | 1187 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Weerasinghe, H K P | | | 1264 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Gamarathne, Oneth | | | 1186 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1046 | 0.00 | 3 | -0.60 | 40 | -24.00 | |
| | Herath, H M R M K | | | 1446 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sarathchandra, Thihansa Dewwanth | | | 1302 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Pasqual, Siluni | | | 1168 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | * 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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