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Individual Calculations August 2023 |
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| Gunarathne, Senith Thenula Total change: 145.60 | |   |
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| EJCOA National Youth Championships Final U12 | Nottingham | ENG | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1461 | 3.00 | 3 | 1.44 | 40 | 57.60 | |
|  Konara, Seha | | | 1215 | ENG | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Kendall, Arthur | | | 1438 | ENG | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Sefton, Adam | | | 1686 | ENG | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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) | | | | 2023 British Championship: Weekender - Soanes | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1461 | 2.50 | 4 | 0.69 | 40 | 27.60 | |
| | Allen, Michael | | | 1285 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Railwani, Tavish | | | 1637 | SCO | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Gunn, Michael J | | | 1606 | ENG | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Collins, Nigel | | | 1458 | ENG | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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) | | | | 2023 British Championship: Under 12 Championship | Leicester | ENG | 2023-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1461 | 3.00 | 5 | 1.51 | 40 | 60.40 | |
| | Nguyen, Anh | | | 1665 | ENG | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Vaidyanathan, Adithya | | | 1559 | ENG | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Lukhi, Neev | | | 1587 | SCO | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Marsden, Rupert | | | 1671 | ENG | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Dairi, Ramsey | | | 1592 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | |
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