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Individual Calculations August 2023 |
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| Bimansa, D G Jayandi Total change: -1.60 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1502 | 1208 | 1.00 | 4 | 0.30 | 40 | 12.00 | |
|  Sandaruwan, M G Ravindu | | | 1425 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Thennakoon, Disara | | | 1441 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Ushantha, R | | | 1419 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Wiratunga, Jenith | | | 1723 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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) | | | | Sri Lanka National Team Chess Championship 2023 - Women | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1317 | 1208 | 2.00 | 3 | 0.80 | 40 | 32.00 | |
| | Piyasiri, M S | | | 1028 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Peiris, H Pevinya | | wf | 1634 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Narthavi, S | | | 1290 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | |
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) | | | | Asian Schools Chess Championship U15 Girls | Tashkent | UZB | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1208 | 1.00 | 7 | -1.14 | 40 | -45.60 | |
| | Newansa, M Esandi | | | 1544 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Orazalina, Nursulu | | | 1644 | KAZ | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Shomurodova, Raykhona | | | 1335 | UZB | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Silva, U M Senaya Shavindi | | | 1085 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Bahtiyorova, Nodirabegim | | | 1505 | UZB | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Viranya, A R M V | | | 1240 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Silva, U M Himaya Shalindi | | | 1321 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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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