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Individual Calculations May 2017 |
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| Thanuja, Dewsara Total change: -21.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1145 | 0.00 | 2 | -0.32 | 40 | -12.80 | |
|  Lasitha, Subash | c | | 1545 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Jayasundara, K M Sohanee Divyana | | | 1346 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1193 | 1145 | 2.00 | 5 | -0.21 | 40 | -8.40 | |
| | De Silva, H Adeepa Virajitha | | | 1194 | SRI | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Fonseka, K W S Deneth | | | 1026 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Gunarathne, Senila Amaneth | c | | 1420 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Indusara, M G Janitha | | | 1268 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Ranaweera, Y H Janindu Ransika | | | 1059 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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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