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Individual Calculations September 2015 |
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| Jayawickrama, U W R K Total change: 36.80 | |   |
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| Mercantile / Government Services International Rating Chess Championship 2015 | Colombo | SRI | 2015-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1289 | 0.00 | 1 | -0.09 | 20 | -1.80 | |
|  Athukorala, Nethupul Pasan | | | 1679 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | 6th Kandy Open International Rating Chess Championship | Kandy | SRI | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1289 | 3.50 | 6 | 0.67 | 20 | 13.40 | |
|  Senanayaka, R S M K R | | | 1029 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Abhimanyu, Iraja | | | 1576 | SRI | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Dissanayake, R K T | | | 1524 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Hetti Arachchige, Thisumi S | | | 1071 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Madusanka, L D P | | | 1689 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wijesekara, Dinuka | | | 1064 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1289 | 4.00 | 7 | 1.26 | 20 | 25.20 | |
| | Perera, W C C | c | | 1689 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | De Silva, Thenuki Hirunima | | | 1106 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Karunaratne, Rahel Chaanakya | | | 1112 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Siriwardena, G T D | | | 1534 | SRI | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Herath, H M S S A | | | 1569 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Ranawake, Sanuda D | | | 1178 | SRI | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Siriwardena, Janaka | | | 1554 | SRI | 1.00 | 1 | 0.82 | 20 | 16.40 | | | * 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) | | |
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