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Individual Calculations October 2017 |
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| Sathmina, S L Lalindu Total change: -28.00 | |   |
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| Southern International Chess Championship 2017 | Galle | SRI | 2017-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1330 | 1237 | 1.00 | 4 | -0.67 | 40 | -26.80 | |
|  Fernando, J M Marlon P | | | 1637 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chandes, K Yasindu | | | 1061 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Nimsanda, K H Savitha | | | 1051 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Ranasinghe, P K | | | 1569 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1197 | 1237 | 1.50 | 4 | -0.81 | 40 | -32.40 | |
| | Lasitha, Subash | c | | 1637 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Risikesan, Nimalan | | | 1024 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Bandara, W K S V | | | 1071 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Weerasiri, H P Sayuni Chamathna | | | 1057 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | | | * 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) | | | | 2nd West Asian Youth Chess Championship 2017 | Waskaduwa | SRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1267 | 3.00 | 7 | 0.78 | 40 | 31.20 | |
| | Vidyarathna, Anjitha | | | 1498 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Al Shamsi, Hamad Naseer | | | 1494 | UAE | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Nethsara, W M Daham | | | 1416 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Bandara, T M Himath Indeewara | | | 1008 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Mendis, Dasuni Hansika | | wc | 1667 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Samyukta, Banthia | | | 1422 | IND | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Amal, Fadel S M Alshamsi | | wc | 1408 | UAE | 0.50 | 1 | 0.19 | 40 | 7.60 | | | * 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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