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Individual Calculations August 2023 |
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| Costello, Colin A Total change: -57.60 | |   |
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| PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open | Prague | CZE | 2023-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1762 | 1881 | 2.50 | 9 | -3.49 | 20 | -69.80 | |
|  Reimann, Sebastian | | | 2265 | GER | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Gernert, Tomas | | | 1481 * | CZE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Zanan, Evgeny | g | | 2481 | ISR | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Kojima, Natsumi | | wc | 1597 | JPN | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Nespora, Tatana | | | 1601 | CZE | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Zeman, Arnost | | | 1584 | CZE | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Feuerstein, Mario | | | 1749 | GER | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Lapushnian, Maya | | | 1591 | ISR | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Migalko, Dmitriy | | | 1505 | CZE | 0.50 | 1 | -0.41 | 20 | -8.20 | | | * 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) | | | | 31. Offene Senioren-LEM Sachsen-Anhalt over 65 | Magdeburg | GER | 2023-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1881 | 2.00 | 3 | 0.61 | 20 | 12.20 | |
| | Briesemeister, Klaus | | | 1546 | GER | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Ruether, Rudolf | | | 2065 | GER | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Haase, Reinhard | | | 2078 | GER | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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) | | |
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