Individual Calculations April 2020 |
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Poehlmann, Roger M Total change: -3.80 | | |
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GM Koltanowski Marathon 2020 | Berkeley, California | USA | 2020-02-14 |
Rc | Ro | w | n | change | K | K*chg | Game |
1767 | 2166 | 3.00 | 3 | 0.24 | 20 | 4.80 | |
| Morgan, Jerry | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | McCargar, Scott | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | Dutter, Fredric | | | 1770 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | * 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) | | Berkeley Senior Championship 2020 | Berkeley, California | USA | 2020-03-06 |
Rc | Ro | w | n | change | K | K*chg | Game |
1950 | 2153 | 2.50 | 4 | -0.43 | 20 | -8.60 | |
| Lehman, Clarence E | | | 1753 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | Watson, Farid Mark | | | 1894 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | Taylor, Timothy W | m | | 2219 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | | Walder, Michael | | | 1933 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | * 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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