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Blitz:
Individual Calculations November 2023 |
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| Karunasena, H G M K Saheli Onaya Total change: -75.60 | |   |
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| Negombo International Blitz Chess Festival 2023 | Gampaha | SRI | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1152 | 1070 | 1.00 | 5 | -0.97 | 40 | -38.80 | |
|  Kithmina, W K Vihanga | | | 1253 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wishwapura, W D M Indusara | | | 1258 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Thewnim, Mahima Nivisara | | | 1044 | SRI | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Leelananda, Nethuka | | | 1002 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Silva, U M Himaya Shalindi | | | 1202 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Kandy Open International Rating blitz Chess Championships 2023 | Kandy | SRI | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1070 | 1.50 | 6 | 0.18 | 40 | 7.20 | |
| | Herath, Sanduni | | | 1345 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Uyanwaththa, W M S B | | | 1320 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Chandrasiri, L S D | | | 1225 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Nawanjana, R A Thaweesha | | | 1232 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Fernando, M Tharusha Randima | | | 1383 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Rajapaksha, Isuru | | | 1273 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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 Women's Blitz team Chess Championship 2023 | Colombo | SRI | 2023-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1290 | 1070 | 0.00 | 4 | -1.10 | 40 | -44.00 | |
| | Udagedara, Sandali Kanishka | | | 1410 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayaweera, Sayuni Gihansa | | wc | 1568 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Bandara, Prathibha Nethsarani | | | 1125 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Liyanage, D Sathini Disathna | | | 1056 | SRI | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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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