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Individual Calculations August 2018 |
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| Bandara, K G J C Total change: -98.40 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1303 | 1284 | 0.00 | 4 | -1.94 | 40 | -77.60 | |
|  Kalubowila, K H N | | | 1609 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Fernando, W V A Tithira Daminda | | | 1540 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Dharmasena, W M S S B | | | 1063 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Sanviru, G H A Dulnith | | | 1001 | SRI | 0.00 | 1 | -0.84 | 40 | -33.60 | |
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) | | | | 3rd SSC Open International Rating Chess Tournament 2018 | Matara | SRI | 2018-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1183 | 1284 | 2.00 | 4 | -0.52 | 40 | -20.80 | |
| | Chandula, E D S | | | 1566 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Pulsara, K A Nethma | | | 1005 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Wickramarathne, P W G Gaveshi | | | 1096 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Gamage, Liviru Hansana | | | 1065 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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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