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Individual Calculations February 2023 |
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| Herath, H M Chamuditha Sasen Band Total change: -16.80 | |   |
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| Asia Schools CC 2022- U 9 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1201 | 1091 | 0.00 | 2 | -0.71 | 40 | -28.40 | |
|  Koswattage, Biman | | | 1249 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Toktaaliev, Namys | | | 1152 | KGZ | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1091 | 0.50 | 2 | 0.29 | 40 | 11.60 | |
| | Francis, U M Senal Vishmin | | | 1371 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Weerakoon, R K B | | | 1559 | SRI | 0.50 | 1 | 0.45 | 40 | 18.00 | |
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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