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Individual Calculations January 2019 |
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| Perera, G Poorna Udara Dhananjay Total change: 35.20 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1091 | 1.50 | 4 | 0.88 | 40 | 35.20 | |
|  Rabel, Chinthaka | | | 1491 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sanudula, K M Dahamdi | | wc | 1394 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Fonseka, Waranakulasuriya Chan Ch | | | 1286 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Arachchi, C S A | | | 1389 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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