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Individual Calculations June 2022 |
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| Arkell, Keith C Total change: 27.80 | |   |
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| 2021/22 4NCL Division 1 & 2 Rounds 7-9 | Daventry | ENG | 2022-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2390 | 2383 | 3.00 | 3 | 1.53 | 10 | 15.30 | |
|  Toma, Katarzyna | | wg | 2304 | ENG | 1.00 | 1 | 0.39 | 10 | 3.90 | |  Davies, Nigel R | g | | 2462 | WLS | 1.00 | 1 | 0.61 | 10 | 6.10 | | | Cyfka, Karina | m | wg | 2403 | POL | 1.00 | 1 | 0.53 | 10 | 5.30 | |
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 2022 - Over 50 | Warwick | ENG | 2022-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2367 | 5.00 | 6 | 0.56 | 10 | 5.60 | |
| | Thompson, Ian D | f | | 2074 | ENG | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Churavin, Andrey | | | 2076 | ENG | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Hebden, Mark L | g | | 2452 | ENG | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Mason, Donald J | | | 2056 | ENG | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Josse, Mark | c | | 2235 | ENG | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Henderson, David | | | 2104 | ENG | 1.00 | 1 | 0.18 | 10 | 1.80 | |
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) | | | | Chessable English Championships 2022 | Kenilworth | ENG | 2022-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2367 | 4.50 | 7 | 0.69 | 10 | 6.90 | |
| | Shearsby, Jude | | | 1967 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Harvey, Marcus R | m | | 2455 | ENG | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Willow, Jonah B | f | | 2401 | ENG | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Boswell, Jacob Connor | | | 2075 | ENG | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Wadsworth, Matthew J | m | | 2432 | ENG | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Roberson, Peter T | m | | 2421 | ENG | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Hebden, Mark L | g | | 2452 | ENG | 0.50 | 1 | 0.12 | 10 | 1.20 | | | * 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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