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Individual Calculations February 2015 |
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| Mathes Arachchi , Bhanila M Total change: -21.20 | |   |
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| Kalutara Chess Festival 2015 | Kalutara | SRI | 2015-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1232 | 0.50 | 5 | -0.53 | 40 | -21.20 | |
|  Nanayakkara, J A G Ganganath | | | 1522 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera, Tharusha Salinda | | | 1410 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |  Perera, L Lithmal Wansika | | | 1444 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Naotunna, D R | | | 1486 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Withanage, Lakindu | | | 1490 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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