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Individual Calculations August 2023 |
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| McKenna, Joshua Total change: -29.96 | |   |
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| 18th South Wales International Open | Bridgend | WLS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1600 | 3.00 | 9 | 0.32 | 28 | 8.96 | |
|  Brown, Thomas | | | 2124 | WLS | 0.00 | 1 | -0.03 | 28 | -0.84 | |  Thomas, James | | | 1905 | WLS | 0.00 | 1 | -0.14 | 28 | -3.92 | | | Hurn, Robert Aj | | | 1577 | WLS | 1.00 | 1 | 0.47 | 28 | 13.16 | | | Cave, Iwan | | | 1864 | ENG | 0.50 | 1 | 0.32 | 28 | 8.96 | | | Gibbs, Dominic V | | | 1875 | ENG | 0.00 | 1 | -0.17 | 28 | -4.76 | | | Emblem, Mark | | | 1402 | WLS | 1.00 | 1 | 0.24 | 28 | 6.72 | | | Szakmany, Bence | | | 1686 | WLS | 0.50 | 1 | 0.12 | 28 | 3.36 | | | Robinson, David | | | 1845 | WLS | 0.00 | 1 | -0.20 | 28 | -5.60 | | | Wilson, Matthew R | | | 1762 | ENG | 0.00 | 1 | -0.29 | 28 | -8.12 | |
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 - Penrose | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1600 | 0.00 | 4 | -1.75 | 28 | -49.00 | |
| | Coward, Neil | | | 1688 | ENG | 0.00 | 1 | -0.38 | 28 | -10.64 | | | Di-Vetta, Andrew | | | 1635 | WLS | 0.00 | 1 | -0.45 | 28 | -12.60 | | | Cole, Graham L | | | 1628 | ENG | 0.00 | 1 | -0.46 | 28 | -12.88 | | | Ball, Matthew P | | | 1629 | ENG | 0.00 | 1 | -0.46 | 28 | -12.88 | |
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 |
| 1633 | 1600 | 2.50 | 6 | -0.24 | 28 | -6.72 | |
| | Ogorman, Brendan | | | 1606 | ENG | 1.00 | 1 | 0.51 | 28 | 14.28 | | | Acharya, Kandara | | | 1629 | ENG | 0.00 | 1 | -0.46 | 28 | -12.88 | | | Murrell, Mark R A | | | 1657 | ENG | 0.00 | 1 | -0.42 | 28 | -11.76 | | | Matthew, Ian G | | | 1745 | ENG | 1.00 | 1 | 0.69 | 28 | 19.32 | | | Whittington, Reece | | | 1624 | ENG | 0.00 | 1 | -0.47 | 28 | -13.16 | | | Crompton, Robert | | | 1536 | ENG | 0.50 | 1 | -0.09 | 28 | -2.52 | |
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 |
| 1742 | 1600 | 2.50 | 6 | 0.60 | 28 | 16.80 | |
| | Bingham, James T | | | 1860 | ENG | 0.50 | 1 | 0.32 | 28 | 8.96 | | | Staniland, Philip | | | 1782 | ENG | 0.00 | 1 | -0.26 | 28 | -7.28 | | | Coward, Neil | | | 1688 | ENG | 0.50 | 1 | 0.12 | 28 | 3.36 | | | Burton, Nick | | | 1817 | ENG | 1.00 | 1 | 0.78 | 28 | 21.84 | | | Acharya, Kandara | | | 1629 | ENG | 0.00 | 1 | -0.46 | 28 | -12.88 | | | O`hanlon, Pat | | | 1676 | IRL | 0.50 | 1 | 0.10 | 28 | 2.80 | |
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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