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Individual Calculations September 2019 |
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| Dharmasena, Kian Total change: 29.60 | |   |
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| 106th British Championships Under 12 | Torquay | ENG | 2019-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1427 | 1548 | 4.00 | 7 | -0.48 | 40 | -19.20 | |
|  Liu, Jack | | | 1259 | CHN | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Fleri, Matthew | | | 1739 | MLT | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Acharya, Kandara | | | 1375 | ENG | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Jayawarna, Tarini | | | 1337 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Stoyanov, Boris | | | 1592 | ENG | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Latypova, Olga L | | | 1167 | ENG | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Agrawal, Shivam | | | 1518 | ENG | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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) | | | | 106th British Championships Under 2050 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1548 | 1.50 | 4 | 0.73 | 40 | 29.20 | |
| | Riding, Mick D | | | 1893 | ENG | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Bryant, Richard Be | | | 1900 | ENG | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Graham, William M | | | 1920 | ENG | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Dharmasena, Gavith | | | 1585 | ENG | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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) | | | | Gibraltar Junior International Chess Festival Under 12 | Gibraltar | ENG | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1548 | 3.50 | 5 | 0.49 | 40 | 19.60 | |
| | Alonso Vargas, David | | | 1628 | ESP | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Colloridi, Dominic | | | 1235 | ESP | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Volovich, Andrew | | | 1353 | ENG | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Gonzalez De Miguel Yataco, Miguel | | | 1418 | ESP | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Kolani, Arjun | | | 1672 | ENG | 0.00 | 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) | | |
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