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Individual Calculations May 2017 |
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| Abeywardana, Hasandi Yapa Total change: -43.20 | |   |
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| Sri Lanka Women's Qualifying Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1318 | 1321 | 3.50 | 6 | 0.46 | 40 | 18.40 | |
|  Liyanage, B O R | | | 1073 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Athukorala, Shavindi Uddeepana | | | 1574 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Liyanage, Oshadi Pesala | | | 1103 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Withanarachchi, W A Vinoli Oneth | | | 1220 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | | | De Silva, Chamindra | | | 1542 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Liyanage , B K D | | | 1393 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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 |
| 1203 | 1321 | 3.00 | 5 | -0.31 | 40 | -12.40 | |
| | Lasitha, Subash | c | | 1721 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerasiri, H P Sayuni Chamathna | | | 1071 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Yasanjith, M H Disura | | | 1072 | SRI | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Samaraweera, Sanith Jithnuka | | | 1093 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Samarakoon, S M Y Thiwanka | | | 1059 | SRI | 1.00 | 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 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1321 | 2.50 | 6 | -1.23 | 40 | -49.20 | |
| | Vithanage, Sandaruwi M | | | 1588 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ramanayake, R A Kavindya V | | | 1041 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Rathnayake, J A V Savindya | | | 1079 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Sirimewan, K Hasareli | | | 1396 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Idamewattha, I W S S | | | 1126 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Dissanayake, R A D V | | | 1121 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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