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Individual Calculations June 2023 |
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| Gamlath, E G Y T Total change: -22.80 | |   |
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| 5th SSC Open International Rating Chess Championship 2023 | Matara | SRI | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1288 | 1092 | 0.50 | 4 | -0.54 | 40 | -21.60 | |
|  Perera, G Thinuka Geethula | | | 1457 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Wadduwage, Thamindu Upeksha | | | 1218 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Fernando, B Thishya Methsandi | | | 1240 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Dasanya, K K Hansali | | | 1236 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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 International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1092 | 1.00 | 4 | -0.03 | 40 | -1.20 | |
| | Insara, S D Nadev | | | 1406 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Dissanayaka, D A K N R | | | 1258 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Bimansa, D G Jayandi | | | 1252 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Dishanthan, V | | | 1229 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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