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Individual Calculations November 2014 |
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| Perera, B S Total change: -28.80 | |   |
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| Buddhi International Rating Chess Championship 2014 | Negombo | SRI | 2014-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1528 | 2.50 | 6 | -1.07 | 20 | -21.40 | |
|  Alahakoon, Isuru | | | 1928 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Narasinghe, N A Yashitha Binuvar | | | 1176 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Perera, G A Lakindu Chandira | | | 1128 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Deraniyagala, Vimukthi Prathap | | | 1260 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Dissanayake, R S | | | 1924 | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Shouthri, Arulrajah | | | 1313 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | * 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) | | | | Southern First International Chess Championship 2014 | Galle | SRI | 2014-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1528 | 2.50 | 5 | -0.37 | 20 | -7.40 | |
| | Wijekoon, Chandana | c | | 1928 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Silva, L H V Vinamitha | | | 1184 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lasitha, Subash | | | 1823 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Jayawickrama, U W R K | | | 1216 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Wijesekara, Sakila Udayantha | | | 1167 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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