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Individual Calculations September 2017 |
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| Yahalmulla, Prasanna Total change: 43.20 | |   |
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| Sri Lanka Open International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1248 | 1353 | 5.50 | 7 | 1.08 | 40 | 43.20 | |
|  Sandirigama, I K | | | 1040 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Hiyarapitiya, D S | | | 1160 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Kodikara, K K M Sachintha | | wf | 1688 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Mapitigamaarachchi, N P | | | 1119 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Liyanage, L D S | | | 1121 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Rathnayake, R M D S | | | 1074 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Vithanage, I A | | | 1532 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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