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Individual Calculations January 2019 |
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| Boldi, Ethan Total change: 118.80 | |   |
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| Fall 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1879 | 6.00 | 8 | 2.23 | 40 | 89.20 | |
|  Starr, Albert | | | 1536 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Mays, Jerry | | | 1649 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Cendejas, Juan | | | 1620 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Mont-Reynaud, Jordy | | | 2241 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Steger, Eric | | | 1852 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Argo, Guy | | | 1909 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Shaw, Tenzing | | | 2239 | USA | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Chambers, Ezra Paul | f | | 2279 * | BDI | 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) | | | | GM Igor Ivanov Weekender | Berkeley, California | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1961 | 2.00 | 2 | 0.74 | 40 | 29.60 | |
| | Shrauger, Alex | | | 1702 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Kim, Isaiah | | | 2002 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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) | | |
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