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Individual Calculations September 2022 |
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| Myall, Ivan J Total change: -11.40 | |   |
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| Chessable British Chess Championships 2022: Over 65 | Torquay | ENG | 2022-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 1983 | 3.00 | 6 | -0.11 | 20 | -2.20 | |
|  Tidmarsh, David A | | | 1802 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Norman, Kenneth I | c | | 2117 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | James, Geoffrey H | c | | 2118 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Thynne, Trefor F | | | 1884 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Michaud, Gerald | | | 1871 | CAN | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Hewson, Brian W R | | | 2026 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | | | 1st Brentwood FIDE-Rated August Bank Holiday Congress | London | ENG | 2022-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1983 | 4.50 | 7 | -0.46 | 20 | -9.20 | |
| | Wang, Luoke | | | 1622 | ENG | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Latypova, Olga L | | | 1583 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Baer, Bruce L | | | 1997 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Gorgun, Aliriza Atif | | | 1878 | TUR | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Ignatovic, Ernest | | | 1732 | LTU | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Pert, Max | | | 1676 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Stoica, Savas Marin | | | 2092 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | * 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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