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Individual Calculations November 2019 |
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| Walder, Michael Total change: 35.80 | |   |
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| 2019 Steve Brandwein Memorial Tuesday Night Marathon | San Francisco, California | USA | 2019-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1885 | 5.50 | 9 | 2.20 | 20 | 44.00 | |
|  Li, Eric | c | | 2164 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Lehman, Clarence | | | 1745 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Krasnov, Steven | | | 1812 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Winslow, Elliott | m | | 2087 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Kuczek, Kevin | | | 1912 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Shaw, Tenzing | | | 2198 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Jia, Derek | | | 1935 | CAN | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Ivanov, Aleksandr | | | 2126 | USA | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Askin, David | | | 1970 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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) | | | | 2019 Walter Shipman Marathon | Berkeley, California | USA | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1885 | 3.50 | 5 | 0.66 | 20 | 13.20 | |
| | Nelson, Carl | | | 1485 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Aung, Grant | | | 1701 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Jirasek, Ladia | m | | 2285 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Shaughnessy, Elizabeth | | | 1485 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Poehlmann, Roger | | | 2149 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | * 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) | | | | Berkeley Weekender October 2019 | Berkeley, California | USA | 2019-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1922 | 0.50 | 2 | -1.07 | 20 | -21.40 | |
| | Pullela, Sricharan | | | 1743 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Mishkin, Viktor | | | 1636 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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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