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Individual Calculations April 2019 |
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| Glasscoe, Alan Total change: -27.20 | |   |
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| 2019 IM John Grefe Marathon | Berkeley, California | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1569 | 1.00 | 4 | -1.66 | 20 | -33.20 | |
|  Agdamag, Samuel Zamora | | | 1554 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | |  Secor, Andrei | | | 1420 | USA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Ater, Uval | | | 1518 | ISR | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Marrus, Matthew | | | 1245 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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 | Berkeley, California | USA | 2019-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1569 | 1.50 | 3 | 0.30 | 20 | 6.00 | |
| | Soltani, Mohammad | | | 1516 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Watson, Farid Mark | | | 1940 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Agdamag, Samuel | | | 1546 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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