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Individual Calculations June 2023 |
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| Goodwin, Ed H Total change: 7.20 | |   |
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| 2022/23 4NCL Division 4 Rounds 9-11 | Warwick | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1817 | 1.50 | 3 | 0.09 | 20 | 1.80 | |
|  Hardman, Daniel | | | 1767 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Zhu, Yaoyao | | | 1968 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Rida, Ruqayyah | | | 1788 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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) | | | | English Seniors Championships 2023 - Over 65 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1817 | 4.00 | 7 | 0.27 | 20 | 5.40 | |
| | Baker, Chris W | m | | 2226 | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jerome, Stellio | | | 1518 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Waldock, Adrian D P | | | 1687 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Hutchinson, Paul A | | | 2005 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Snape, Ian L | | | 2096 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Seymour, Paul | | | 1599 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Morris, Nigel W | | | 1417 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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