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Individual Calculations November 2018 |
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| Wijerathne, Surath Total change: -11.20 | |   |
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| Buddhi Open International Rating Chess Tournament 2018 | Gampaha | SRI | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1288 | 1444 | 5.00 | 8 | -0.56 | 20 | -11.20 | |
|  Wijeratne, Rehan Nawantha | | | 1132 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Rohana, V T Malitha | | | 1143 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | De Silva, L M S T | f | | 1708 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Pamuditha, A L Malith | | | 1199 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Gamarathne, Oneth | | | 1235 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Perera, D G D Y Adeekshana | | | 1323 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Palangoda, U P G M Sasmitha | | | 1271 | SRI | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Bentharaarachchi, Vinuga Ometh | | | 1290 | SRI | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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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