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Individual Calculations August 2023 |
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| Coleman, Frederick Total change: 20.20 | |   |
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| 2023 British Championship: Weekender - Penrose | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1570 | 1562 | 2.50 | 4 | 0.53 | 20 | 10.60 | |
|  Shivakumar, Akshath | | | 1476 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Smith, Ryan M | | | 1707 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Veselow, Zoe | | | 1454 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Dos Santos Silva, Bruno Alexandre | | | 1643 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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: AM Under 1900 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1562 | 3.50 | 6 | 0.48 | 20 | 9.60 | |
| | Westcott, Dale | | | 1579 | WLS | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Morris, Simon | | | 1592 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Zigmond, Andrew | | | 1554 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Schmerwitz, Reinhard | | | 1640 | GER | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Berkley, Stephen W | | | 1587 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Willoughby, Christopher | | | 1401 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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