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Individual Calculations October 2017 |
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| Kodithuwakku, Himsara Total change: 59.60 | |   |
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| 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1502 | 6.50 | 9 | 1.77 | 40 | 70.80 | |
|  Gunathilaka, W Senuth Sethmitha | | | 1102 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Perera, W S D Sachini | | | 1168 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Priyankara, Chamil | | | 1902 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Premanath, Dinushki | | wf | 1861 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Fonseka, Waranakulasuriya Chan C | | | 1214 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | De Silva, Osheen | | | 1902 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Akash, P A Oditha | | | 1190 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Pathirana, W P Voji Nimla | | | 1257 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Lasitha, Subash | c | | 1779 | SRI | 0.50 | 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) | | | | 2nd West Asian Youth Chess Championship 2017 | Waskaduwa | SRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1541 | 5.00 | 8 | -0.28 | 40 | -11.20 | |
| | Perera, D G D S Vidarsha | | | 1141 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Aysha, Nasser H Alshamsi | | | 1289 | UAE | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Wickramasinghe, Banuka Nimsith | | | 1708 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Thilakarathne, G M S | | | 1834 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Indusara, M G Janitha | | | 1297 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Wickramarathne, T D | c | | 1223 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Withanarachchi, W A Vinoli Oneth | | | 1323 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Colaco, Reuben | | | 1419 | IND | 1.00 | 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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