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Individual Calculations February 2023 |
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| Merriman, John Total change: -14.60 | |   |
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| London Christmas Chess Congress - Open | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 2314 | 4.50 | 6 | -0.31 | 20 | -6.20 | |
|  Cox, Toby | | | 1914 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Thatte, Nishchal | | | 1905 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Badacsonyi, Frankie | | | 1983 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Russell, Christopher | | | 2168 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Browning, Alex | f | | 2292 | GER | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Merriman, James | | | 1999 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | | | * 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) | | | | 2022/23 4NCL Division 2 Rounds 3-4 | Daventry | ENG | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2314 | 1.00 | 2 | -0.42 | 20 | -8.40 | |
| | Nicholas, Koichi B | | | 2113 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Mitchell, Martin | | | 2193 | SCO | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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) | | |
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