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Individual Calculations October 2018 |
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| Costha, M Yomali Muthumini Total change: -30.00 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1340 | 1078 | 0.00 | 4 | -0.75 | 40 | -30.00 | |
|  Premanath, Prasansa | | | 1342 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Rangajeewa, M G Sachithra Sandar | | | 1318 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Wijerathne, Surath | | | 1444 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Rodrigo, A A Aloka Danidu Shaluk | | | 1255 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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