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Individual Calculations August 2023 |
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| Kendall, Arthur Total change: 43.20 | |   |
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| EJCOA National Youth Championships Final U12 | Nottingham | ENG | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1438 | 1.50 | 3 | 0.07 | 40 | 2.80 | |
|  Gunarathne, Senith Thenula | | | 1461 | ENG | 0.00 | 1 | -0.47 | 40 | -18.80 | |  Puthanveettil, Joshua | | | 1418 | ENG | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Zhu, Pengxiao | | | 1486 | ENG | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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) | | | | 2023 British Championship: Under 12 Championship | Leicester | ENG | 2023-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1438 | 2.00 | 3 | 1.01 | 40 | 40.40 | |
| | Ward, Cian | | | 1630 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Puthanveettil, Joshua | | | 1418 | ENG | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Nguyen, Anh | | | 1665 | ENG | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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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