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Individual Calculations June 2023 |
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| Watson, Jacob Total change: -0.40 | |   |
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| Durham County Chess Congress - Open | Darlington | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1886 | 1.50 | 4 | -0.51 | 20 | -10.20 | |
|  Neat, Ken P | | | 2262 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Garnett, John S | | | 1803 | ENG | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Booth, Steven B | | | 1964 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Dyshliuk, Fedir | | | 1486 * | UKR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | English Championships 2023 | Kenilworth | ENG | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1886 | 3.00 | 7 | 0.49 | 20 | 9.80 | |
| | Jones, Steven A | | | 2174 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Jackson, Edward | | | 1968 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Pert, Max | | | 1850 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Baer, Bruce L | | | 1950 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Sedykh, Mikhail | | | 2092 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Payne, Matthew J | | | 2153 | ENG | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Mikalajunas, Kajus | | | 1828 | ENG | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | |
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