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Individual Calculations January 2020 |
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| Wickramaarachchi, Nayanaka Insara Total change: 35.20 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1368 | 1179 | 2.50 | 6 | 0.88 | 40 | 35.20 | |
|  Chandula, E D S | | | 1515 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Herath, H M S S A | | | 1427 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |  De Silva, J I Ajantha | | | 1378 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Dipsara, K M Dumal Kavish | | | 1436 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Basnayake, B M Thesandu Aken | | | 1356 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Liyanage, K G | | | 1095 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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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