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Individual Calculations November 2021 |
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| Gibbs, Dominic V Total change: -17.40 | |   |
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| British Senior Championships 2021 O50 | Milton Keynes | ENG | 2021-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1861 | 2.50 | 6 | 0.08 | 20 | 1.60 | |
|  Kett, Tim | c | | 2156 | WLS | 0.50 | 1 | 0.35 | 20 | 7.00 | |  Smith, Andrew Philip | f | | 2133 | IRL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | McNally, Richard J E | | | 1923 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Kenning, Paul H | | | 1805 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Di Mattia, Luciano | | | 1466 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Crocker, Philip J | | | 2109 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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) | | | | World Amateur Chess Championship 2021 U2000 open | Rhodes | GRE | 2021-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1861 | 3.50 | 8 | -0.95 | 20 | -19.00 | |
| | Mongeli, Sasha | | wf | 1578 | KEN | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Udipi, Kala Kishan | | | 1730 | SUI | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Mandukhai, Myagmarsuren | | wc | 1966 | MGL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Margaritis, Antonis | | | 1496 | GRE | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Mohamed, Saeed Laily | c | | 1996 | UAE | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Cella, Glaucio Dalla Cortt | | | 1961 | BRA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Florakis, Konstantinos | | | 1749 | GRE | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Silva Hernandez, Jesus Arturo | c | | 1975 | MEX | 0.00 | 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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