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Individual Calculations March 2015 |
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| Wanigarathne, K A N Total change: -67.60 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1352 | 1277 | 0.00 | 1 | -0.40 | 40 | -16.00 | |
|  Madurapperuma, M A D Maheshika L | | | 1352 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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 Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1179 | 1267 | 2.50 | 6 | -1.29 | 40 | -51.60 | |
|  Deegoda, S R | | | 1667 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kumarapathirana, V Lakvin | | | 1131 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Nikesh, Ravindiran | | | 1072 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Sandaruwan, M G Ravindu | | | 1059 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Prasanna, H G Ajith | | | 1059 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Hewage, Kawithaka Wethmal | | | 1086 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | * 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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