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Individual Calculations May 2017 |
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| Weerasiri, H P Sayuni Chamathna Total change: -13.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1347 | 1071 | 0.50 | 4 | -0.21 | 40 | -8.40 | |
|  Dahanayake, Isara Banidu | | | 1471 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Abeywardana, Hasandi Yapa | | | 1321 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Shasikumar, Nagarajah | | | 1259 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Perera, K Saviru Rashien Dilruk | | | 1335 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 12 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1209 | 1071 | 0.50 | 2 | -0.13 | 40 | -5.20 | |
|  Withanarachchi, W A Vinoli Oneth | | | 1220 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Premanath, Prasansa | | | 1198 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | |
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