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Individual Calculations April 2020 |
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| McCargar, Scott Total change: 2.80 | |   |
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| GM Koltanowski Marathon 2020 | Berkeley, California | USA | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1737 | 1.50 | 3 | -0.23 | 40 | -9.20 | |
|  Northrup, Matthew | | | 1520 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | |  Nagel, Ralph | | | 1416 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Poehlmann, Roger M | | | 2137 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Berkeley Senior Championship 2020 | Berkeley, California | USA | 2020-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1694 | 2.50 | 5 | 0.30 | 40 | 12.00 | |
| | Winslow, Elliott C | m | | 2094 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lehman, Clarence E | | | 1686 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Shaughnessy, Elizabeth | | | 1411 | IRL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Watson, Farid Mark | | | 1894 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Ho, Michael | | | 1676 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | * 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) | | |
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