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Individual Calculations March 2015 |
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| Piyathilake, K D D H Total change: 31.20 | |   |
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| Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1307 | 2.00 | 6 | 0.78 | 40 | 31.20 | |
|  Nanayakkara, J A G Ganganath | | | 1561 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Perera, L Lithmal Wansika | | | 1505 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Kariyawasam, M G A Udara | | | 1480 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | |  Dulanjaya, Shehan | | | 1536 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Obeysekara, T A Sajith Chathuran | | | 1668 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Herath, H M S S A | | | 1537 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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