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Individual Calculations August 2023 |
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| Betts, Richard Total change: -33.80 | |   |
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| 2023 British Championship: Weekender - Penrose | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1565 | 1738 | 0.50 | 2 | -0.95 | 20 | -19.00 | |
|  Vadalia, Jainill | | | 1585 | SCO | 0.00 | 1 | -0.70 | 20 | -14.00 | |  Roul, Tushar | | | 1545 | SCO | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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: Extra Games | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1738 | 0.50 | 2 | -0.22 | 20 | -4.40 | |
| | Dhemrait, Jagdeep | | | 1818 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Collinson, Mark I | | | 1865 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | 2023 British Championship: AM Under 1900 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1738 | 2.00 | 4 | -0.52 | 20 | -10.40 | |
| | Macqueen, Andrew | | | 1759 | SCO | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Schmerwitz, Reinhard | | | 1640 | GER | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Di Cicco, Louis | | | 1624 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Crompton, Robert | | | 1536 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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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