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Individual Calculations March 2015 |
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| Liyanage, R L Jayana S Total change: -20.00 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1078 | 0.00 | 2 | -0.31 | 40 | -12.40 | |
|  Tennakoonwela, Pamudie Sasankha | | | 1422 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Raheem, T Akeel | | | 1331 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1061 | 0.50 | 4 | -0.19 | 40 | -7.60 | |
| | Gammarachchi, O Dewpathi | | | 1395 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Katugampola, K D K Gimna | | | 1314 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Perera, U I Himal | | | 1410 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Iddamalgoda, I D S | | | 1234 | 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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