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Individual Calculations September 2023 |
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| Drugan, Mark A Total change: -45.20 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1692 | 1.00 | 5 | -1.13 | 40 | -45.20 | |
|  Thompson, Ian D | f | | 2035 | ENG | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Crichton, Martin | | | 1906 | IRL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Strugar, Ioan-Euzeb | | | 1359 | ROU | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Kalerwa, Edwin M | | | 1694 | ENG | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Wilson, Matthew R | | | 1762 | ENG | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | |
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