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Individual Calculations May 2017 |
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| Samarakoon, S M Y Thiwanka Total change: 93.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1059 | 1.00 | 5 | 0.12 | 40 | 4.80 | |
|  Kodithuwakku, Lisara | | | 1459 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, L M S T | | | 1347 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jayasekera, Himasha Dulanji | | wc | 1376 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Bandaranayake, A | | | 1187 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Abeywardana, Hasandi Yapa | | | 1321 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1191 | 1059 | 3.50 | 4 | 2.21 | 40 | 88.40 | |
| | Thusara, H G Thoshintha | | | 1182 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Liyanage, Pesandu Rashmitha | | | 1198 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Wijesekara, Bihandu Sanhinda | | | 1188 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | De Silva, H Adeepa Virajitha | | | 1194 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | |
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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