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Individual Calculations April 2018 |
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| Soltani, Mohammad Total change: -15.00 | |   |
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| 2018 IM John Grefe Marathon | Berkeley, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1570 | 3.00 | 7 | -0.46 | 20 | -9.20 | |
|  Lewis, Edward | | | 1881 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Gomboluudev, Enkhjin | | | 1711 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Marrus, Matthew | | | 1250 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Agdamag, Samuel | | | 1547 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Acosta, Anthony | | | 1707 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Carter, Evan | | | 1550 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Petroni, Nicolas | | | 1370 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | Cal Chess Senior State Championship | Berkeley, California | USA | 2018-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1570 | 0.00 | 2 | -0.29 | 20 | -5.80 | |
| | Watson, Farid Mark | | | 1956 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Alazawi, Samir | | | 1810 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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