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Individual Calculations December 2022 |
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| Hewson, Brian W R Total change: 22.20 | |   |
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| 46th Guernsey International Chess Festival - Open | St Peter Port | GCI | 2022-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 2028 | 5.00 | 7 | 0.81 | 20 | 16.20 | |
|  Kirk, Matthew | | | 1738 | GCI | 0.50 | 1 | -0.34 | 20 | -6.80 | |  Glover, John | | | 1678 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Dennis, Nigel W | | | 1852 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Villiers, Thomas | c | | 2141 | ENG | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Johnsen, Gunnar | | | 2121 | NOR | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Jackson, Oliver A | f | | 2095 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Santos, Joao Artur Almeida | | | 1954 | POR | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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 Senior Championship 2022 - Over 65 | Assisi | ITA | 2022-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 2028 | 4.00 | 8 | 0.30 | 20 | 6.00 | |
| | Marras, Giuseppe | | | 1678 | ITA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Gaprindashvili, Nona | g | wg | 2268 | GEO | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Patola, Eero | | | 1830 | FIN | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Buchal, Stephan | f | | 2247 | GER | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Bergstrom, Rolf | f | | 2166 | SWE | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Bondar, Leonid | | | 1884 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Raynes, Paul | | | 2205 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Martorelli, Antonio | m | | 2134 | ITA | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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