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Individual Calculations October 2019 |
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| Hater, David Total change: -11.60 | |   |
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| 2019 Ohio Chess Congress | Mayfield Village, Ohio | USA | 2019-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1973 | 0.00 | 1 | -0.67 | 20 | -13.40 | |
|  Friedman, David | | | 1846 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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) | | | | 30th NATO Chess Championships | Berlin | GER | 2019-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1973 | 4.00 | 7 | 0.09 | 20 | 1.80 | |
| | Murray, Brian | | | 1573 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tommasini, Enzo | | | 2147 | ITA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Kersic, Matej | | | 2122 | SLO | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Tocco, Paolo | | | 2089 | ITA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Abbate, Giovanni | | | 1600 | ITA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Ivsek, Cveto | | | 1755 | SLO | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Marquardt, Christian | | | 2049 | GER | 0.50 | 1 | 0.10 | 20 | 2.00 | | | * 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) | | |
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