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Individual Calculations March 2018 |
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| Punchihewa, Kokila Prageeth Total change: -37.80 | |   |
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| Kaluthara International Chess Festival 2018 | Kaluthara | SRI | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1312 | 1400 | 5.00 | 8 | 0.01 | 20 | 0.20 | |
|  Galukagama, G L Dishen Sandaru | | | 1045 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Wijekoon, Chandana | c | | 1800 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Methiyra, G P Detumini | | | 1126 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ekanayake, D S | | | 1204 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Silva, Dineth Sunera | | | 1800 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Senanayaka, D D B | | | 1193 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Samaranayaka, M L G | | | 1135 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Seneviratne, Nivin Sithija | | | 1189 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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) | | | | Sri Lanka National (Major Division) Chess Championship 2018 - Colombo Event | Colombo | SRI | 2018-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1104 | 1400 | 1.50 | 4 | -1.90 | 20 | -38.00 | |
| | Desurra, G P Damsilu | | | 1046 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Rajapaksha, Isum Asitha | | | 1130 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Wijesinghe, N L Senan Lonitha | | | 1097 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Perera, Mulina | | | 1143 | SRI | 0.00 | 1 | -0.82 | 20 | -16.40 | |
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) | | |
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