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Individual Calculations February 2023 |
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| Alwis, H Sandithi Kusalya Total change: -23.60 | |   |
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| Asia Schools CC 2022- U 13 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1174 | 1201 | 2.00 | 6 | -1.28 | 40 | -51.20 | |
|  Newansa, M Esandi | | | 1527 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Thilakawardena, A K P Namya Dine | | | 1014 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Jayasundara, J M Theruni V | | | 1240 | SRI | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Wijesinghe, Amesha Shenali | | | 1090 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Dakshitha, Anand | | | 1089 | IND | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Liyanage, D Sathini Disathna | | | 1084 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | Colombo District Youth Chess Championships 2023 - Under 14 G | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1072 | 1201 | 1.00 | 1 | 0.33 | 40 | 13.20 | |
| | Arachchi, B A M | | | 1072 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1201 | 0.50 | 2 | 0.36 | 40 | 14.40 | |
| | Karunarathne, K M H B | | | 1610 | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Weerakoon, D D P | | | 1657 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | |
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) | | |
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