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Individual Calculations May 2017 |
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| Amarasinghe, K K H Kevinda Total change: 50.00 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1248 | 1060 | 1.00 | 4 | -0.07 | 40 | -2.80 | |
|  De Silva, J I Ajantha | | | 1391 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Athapaththu, Jithindu Dulanjana | | | 1185 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Karunarathne, D D W Gamini | | | 1257 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Nirmal, Charith | | | 1157 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1351 | 1060 | 2.00 | 5 | 1.18 | 40 | 47.20 | |
| | Gunarathna, D A Viraj Darshana | | | 1460 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pathirana, W P Voji Nimla | | | 1278 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Gamage, Randula Navodya | | | 1441 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Arachchi, C S A | | | 1299 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Devnaka, Chamin | | | 1275 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1060 | 1.00 | 3 | 0.14 | 40 | 5.60 | |
| | Thenuwara, Rashmika | | | 1274 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Jayamanna, J M T S | | | 1221 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Induwara, Dimuth | | | 1180 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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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