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Individual Calculations August 2023 |
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| Tomy, Jeff Total change: 30.40 | |   |
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| 2023 British Championship: AM Under 1900 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1554 | 1.00 | 3 | -0.21 | 40 | -8.40 | |
|  Zigmond, Andrew | | | 1554 | ENG | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Dean, Robert A | | | 1734 | ENG | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Morris, Simon | | | 1592 | ENG | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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: PM Under 2050 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1554 | 2.50 | 5 | 0.97 | 40 | 38.80 | |
| | Jukes, Sam | | | 1911 | WLS | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Clegg, Robert | | | 1661 | ENG | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Dunn, Maxim | | | 1705 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Livesey, R Nigel | | | 1700 | ENG | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Westcott, Dale | | | 1579 | WLS | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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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