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Individual Calculations June 2023 |
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| Barton, R Alan Total change: -19.20 | |   |
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| English Seniors Championships 2023 - Over 65 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1840 | 2.00 | 5 | -0.96 | 20 | -19.20 | |
|  Littlewood, Paul E | m | | 2347 | ENG | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Collins, Nigel | | | 1454 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Waldock, Adrian D P | | | 1687 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Erdogan, Hassan | | | 1831 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Seymour, Paul | | | 1599 | ENG | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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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