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Individual Calculations April 2018 |
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| Agdamag, Samuel Total change: -16.60 | |   |
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| Winter 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1547 | 1.00 | 2 | -0.08 | 20 | -1.60 | |
|  Zulkhuu, Jamyandagva | | | 1339 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Erickson, Lane | | | 1687 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | 2018 IM John Grefe Marathon | Berkeley, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1547 | 2.00 | 5 | -0.45 | 20 | -9.00 | |
| | Auyoung, Nathan | | | 1699 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Petroni, Nicolas | | | 1370 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Carter, Evan | | | 1550 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Soltani, Mohammad | | | 1570 | USA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Glasscoe, Alan | | | 1581 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | | | Cal Chess Senior State Championship | Berkeley, California | USA | 2018-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1547 | 0.00 | 1 | -0.30 | 20 | -6.00 | |
| | Anderson, Michael | | | 1695 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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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