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Individual Calculations June 2023 |
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| Ireland, David J Total change: -14.00 | |   |
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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 |
| 1930 | 1932 | 0.50 | 3 | -1.03 | 20 | -20.60 | |
|  Flynn, David | | | 1854 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | |  Rawlinson, Aidan M | | | 2180 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Maton, Emily | | | 1755 | ENG | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1911 | 3.00 | 6 | 0.34 | 20 | 6.80 | |
| | Wells, Peter K | g | | 2356 | ENG | 0.50 | 1 | 0.44 | 20 | 8.80 | | | Homer, Neil S | | | 1534 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Crocker, Philip J | | | 2148 | ENG | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Baer, Bruce L | | | 1950 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Donnelly, Andrew J | | | 1586 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Byron, Alan M | | | 2181 | ENG | 0.50 | 1 | 0.33 | 20 | 6.60 | |
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 Championships 2023 | Kenilworth | ENG | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1911 | 2.50 | 7 | -0.01 | 20 | -0.20 | |
| | Okhai, Shabir | | | 2144 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Bradbury, Neil H | m | | 2215 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Jackson, Edward | | | 1968 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Bak, Christopher | | | 2010 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Badacsonyi, Frankie | | | 1976 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Bharat Kumar, Balahari | | | 1897 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | De Coverly, Roger D | | | 1945 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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