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Individual Calculations September 2019 |
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| Katugampola, A H Total change: -49.20 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1022 | 1290 | 1.50 | 3 | -0.97 | 20 | -19.40 | |
|  Pabasara, G G Mithila | | | 1024 | SRI | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Masakorala, Lithum Chthruka | | | 1027 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Liyanage, R L Mihini B | | wc | 1016 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1290 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
| | Kolomwe, Willian | | | 1690 * | ZAM | 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1290 | 2.00 | 6 | -1.41 | 20 | -28.20 | |
| | Dahanayake, Isara Banidu | c | | 1690 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Botheju, Kavindu Lakshan | | | 1028 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Wickramarathne, D Jehan Randil | | | 1101 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Wijerathna, Mayon Thinoth | | | 1018 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Ekanayake, A G Udara Sampath | | | 1040 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Nirmalarajah, S | | | 1621 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | * 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) | | |
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