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Individual Calculations February 2023 |
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| Somarathne, L H M G S Total change: 20.40 | |   |
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| Asia Schools CC 2022- U 13 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1238 | 1156 | 4.50 | 9 | 0.99 | 40 | 39.60 | |
|  Durga, Karthika Lellapalli | | | 1336 | IND | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Dange, Gehansa Ranumi | | | 1278 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Bimansa, D G Jayandi | | | 1333 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Prushotman, Vissnupriya | | | 1214 | MAS | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Namarathna, H K T I | | | 1166 | SRI | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Ranasinghe, R A Lihini Himansa | | | 1197 | SRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Bandara, Prathibha Nethsarani | | | 1285 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Gunasekara, K P K Hesara | | | 1237 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Geekiyanage, Y T | | | 1097 | SRI | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1156 | 0.00 | 3 | -0.48 | 40 | -19.20 | |
| | De Silva, Osheen | | | 1763 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Bentharaarachchi, Vinuga Ometh | | | 1361 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Chandrasiri, P K | | | 1374 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | |
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