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Individual Calculations June 2019 |
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| Walder, Michael Total change: 16.20 | |   |
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| Spring 2019 Tuesday Night Marathon | San Francisco, California | USA | 2019-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1879 | 4.50 | 8 | 1.47 | 20 | 29.40 | |
|  Diaz, Conrado | | | 2279 * | PHI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Tsodikova, Natalya | | wf | 2126 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Gaffagan, Steven | | | 1969 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Kuczek, Kevin | | | 1930 | USA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Uribe, Luiz | | | 1860 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Argo, Guy | | | 1861 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Kondakov, Adrian | | | 1909 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Askin, David | | | 1926 | USA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * 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) | | | | 2019 CalChess Senior State Championship | San Francisco, California | USA | 2019-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1877 | 1.50 | 3 | 0.13 | 20 | 2.60 | |
| | McCambridge, Vincent | m | | 2277 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Sloan, Sam | | | 1821 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Gran, Rahim | | | 1723 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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) | | | | 2019 Best of the West Class Championship | Santa Clara, California | USA | 2019-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1877 | 0.00 | 2 | -0.79 | 20 | -15.80 | |
| | Holt, Conrad | g | | 2277 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Penagalapati, Abhinav | | | 1720 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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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