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Individual Calculations February 2023 |
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| Bandara, Prathibha Nethsarani Total change: -129.60 | |   |
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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 |
| 1160 | 1285 | 4.00 | 7 | -0.63 | 36 | -22.68 | |
|  Umandini, M W Tinushi | | | 1063 | SRI | 1.00 | 1 | 0.22 | 36 | 7.92 | |  Dakshitha, Anand | | | 1089 | IND | 0.50 | 1 | -0.25 | 36 | -9.00 | | | Geekiyanage, Y T | | | 1097 | SRI | 0.50 | 1 | -0.24 | 36 | -8.64 | | | Durga, Karthika Lellapalli | | | 1336 | IND | 0.00 | 1 | -0.43 | 36 | -15.48 | | | Namarathna, H K T I | | | 1166 | SRI | 1.00 | 1 | 0.34 | 36 | 12.24 | | | Somarathne, L H M G S | | | 1156 | SRI | 0.00 | 1 | -0.67 | 36 | -24.12 | | | Prushotman, Vissnupriya | | | 1214 | MAS | 1.00 | 1 | 0.40 | 36 | 14.40 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1167 | 1285 | 3.00 | 6 | -0.95 | 36 | -34.20 | |
| | Edirisinghe, H B B | | | 1048 | SRI | 1.00 | 1 | 0.20 | 36 | 7.20 | | | Kalubowila, K H N | | | 1609 | SRI | 0.00 | 1 | -0.13 | 36 | -4.68 | | | Chethaka, D G Ovindu | | | 1033 | SRI | 1.00 | 1 | 0.19 | 36 | 6.84 | | | De Silva, K H Kalpa | | | 1128 | SRI | 0.00 | 1 | -0.71 | 36 | -25.56 | | | Madurawala, M G D S Shanuka | | | 1120 | SRI | 0.00 | 1 | -0.72 | 36 | -25.92 | | | Madurawala, M G D S Shamaya | | | 1066 | SRI | 1.00 | 1 | 0.22 | 36 | 7.92 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1226 | 1285 | 1.50 | 6 | -2.02 | 36 | -72.72 | |
| | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 0.00 | 1 | -0.21 | 36 | -7.56 | | | Adshayan, S | | | 1040 | SRI | 1.00 | 1 | 0.20 | 36 | 7.20 | | | Madushanka, Harsha | | | 1691 | SRI | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Siriwardene, R B Bihandu Janandit | | | 1028 | SRI | 0.00 | 1 | -0.82 | 36 | -29.52 | | | Gunathilaka, Kavinu Sanul | | | 1041 | SRI | 0.50 | 1 | -0.30 | 36 | -10.80 | | | Dissanayaka, D A K N R | | | 1036 | SRI | 0.00 | 1 | -0.81 | 36 | -29.16 | |
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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