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Individual Calculations June 2023 |
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| Fernando, Diyon Senuth Randilu Total change: 190.40 | |   |
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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 |
| 1256 | 1064 | 4.00 | 7 | 2.22 | 40 | 88.80 | |
|  Dissanayaka, M A P Mihiranga | | | 1384 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Jayasinghe, L Hirun Randira | | | 1229 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Devaraja, Dahamsa Punsadi | | | 1219 | SRI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Dissanayake, D M Madushan Sameera | | | 1229 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Piyumanthi, M Sayumi Vimansa | | | 1240 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Hansana, K V Tharuka | | | 1200 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Sisuru, K M Sineth | | | 1291 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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 |
| 1392 | 1111 | 2.50 | 6 | 1.44 | 40 | 57.60 | |
| | Nanayakkara, Sanuk | | | 1455 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Rathnayaka, Minaga Yethmin | | | 1415 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Induwara, T H D Thisarindu | | | 1548 | SRI | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Rajawasala, R U D Janith Dulmina | | | 1417 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Madurawala, M G D S Shanuka | | | 1301 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Wadduwage, Thamindu Upeksha | | | 1218 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | 1st Rahulians International Chess Festival 2023 | Matara | SRI | 2023-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1111 | 2.00 | 4 | 1.10 | 40 | 44.00 | |
| | Pesanjith, M T H Sansutha | | | 1341 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Dasanya, K K Hansali | | | 1263 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Dishanthan, V | | | 1229 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Madushanka, Harsha | | | 1581 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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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