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Individual Calculations July 2023 |
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| Somarathne, L H M G S Total change: -4.00 | |   |
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| Damso international Chess Festival 2023 | Ambalangoda | SRI | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1231 | 2.00 | 4 | -0.33 | 40 | -13.20 | |
|  Dandeniya, D D L N | | | 1494 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Yumeth, K L A Venuka | | | 1095 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | |  Nawarathna, N M K K | | | 1013 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Chanseya, K G Dewli Abinadi | | | 1089 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | | | SLCA Selection Event for Asian Schools - Under 13 Years Girls | Colombo | SRI | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1125 | 1222 | 4.00 | 6 | 0.23 | 40 | 9.20 | |
| | Bandara, W U I | | | 1051 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Sutharsan, Mathura | | | 1043 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Rathnayake, R M Dulinma Hemalni | | | 1386 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Jayasundara, J M Theruni V | | | 1097 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Koswattage, Hirudi | | | 1057 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Amarathunga, H G K G | | | 1117 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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) | | |
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