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Individual Calculations April 2020 |
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| Winslow, Elliott C Total change: 41.00 | |   |
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| GM Koltanowski Marathon 2020 | Berkeley, California | USA | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 2076 | 3.00 | 3 | 1.02 | 20 | 20.40 | |
|  Agdamag, Samuel | | | 1676 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Shrauger, Alex | | | 1677 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jirasek, Ladia | m | | 2383 | USA | 1.00 | 1 | 0.86 | 20 | 17.20 | | | * 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) | | | | Ted and Ruby Yudacufski Memorial Tuesday Night Marathon 2020 | San Francisco, California | USA | 2020-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2109 | 1.00 | 1 | 0.26 | 20 | 5.20 | |
| | Clemens, Kristian | | | 1924 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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 |
| 1963 | 2109 | 4.00 | 5 | 0.77 | 20 | 15.40 | |
| | McCargar, Scott | | | 1709 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nagel, Ralph | | | 1709 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | McCambridge, Vince | m | | 2284 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Taylor, Timothy W | m | | 2219 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Watson, Farid Mark | | | 1894 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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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