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Individual Calculations July 2019 |
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| Halfmann, Peter Total change: -27.80 | |   |
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| 34. Ruhrhalbinsel-Open 2019 | Essen | GER | 2019-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1714 | 1.00 | 3 | -0.73 | 20 | -14.60 | |
|  Grewe, Ludger | | | 2114 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Zannoni, Rudolf | | | 1412 | GER | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Tomasjan, Samuel | | | 1476 | GER | 0.50 | 1 | -0.30 | 20 | -6.00 | | | * 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) | | | | 8. Krefelder Pfingst-Open 2019 | Krefeld | GER | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1709 | 2.00 | 6 | -0.66 | 20 | -13.20 | |
| | Guennigmann, Manuel | | | 2109 * | GER | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Ophuels, Jan | | | 2061 | GER | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Bohry, Patrick | | | 1362 | GER | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Cozzuto, Alessandro | | | 1689 | GER | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Althoff, Ralph | | | 2030 | GER | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Schuricht, Paul Alexander | | | 1309 * | GER | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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