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Individual Calculations January 2018 |
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| Siriwardane, A L Total change: -8.00 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1126 | 1429 | 3.00 | 5 | -1.25 | 20 | -25.00 | |
|  Manusha, D M Nipun | | | 1029 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Herath, H M T B | | | 1113 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Wanigasundara, W M H | | | 1223 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Thiruselvam, Tharun | | | 1182 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Bandara, T M Miul Prabhashwara | | | 1083 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | * 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) | | | | 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1429 | 4.00 | 6 | 0.85 | 20 | 17.00 | |
| | Kumarasinghe, K K A Wasath Kavin | | | 1031 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Thenuki Hirunima | | | 1154 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Weerakoon, D D P | | | 1652 | SRI | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Theekshana, H G Denuwan | | | 1829 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pasqual, Siluni | | | 1150 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Kodithuwakku, Himsara | | | 1617 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | * 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) | | |
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