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Individual Calculations March 2015 |
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| Jayatissa, Chanuth Devnaka Total change: -69.60 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1305 | 1.00 | 5 | -0.94 | 40 | -37.60 | |
|  Thilakarathne, G M S | | | 1705 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Nanayakkara, J A K Saranath | | | 1604 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Jayaweera, Lakshika Erangi | | | 1097 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Nanayakkara, J A G Ganganath | | | 1522 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Goonatillake, Ranindu | | | 1142 | SRI | 0.00 | 1 | -0.72 | 40 | -28.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1173 | 1302 | 2.50 | 5 | -0.80 | 40 | -32.00 | |
| | Samarakoon, S M T Induwara | | | 1135 | SRI | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Prasanna, H G Ajith | | | 1059 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Nethsara, W M Daham | | | 1160 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Punchihewa, Geeneth Devmika | | | 1026 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Ranasinghe, R A Malidu Bathiya | | | 1487 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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