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Individual Calculations April 2018 |
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| Jensen, Christian Total change: -35.80 | |   |
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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 |
| 1614 | 1793 | 3.50 | 6 | -0.90 | 20 | -18.00 | |
|  Stolpe, Samuel | | | 1677 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | |  Rakonitz, David | | | 1599 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Starr, Albert | | | 1571 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Yamamoto, Craig | | | 1605 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Standen, Julian | | | 1610 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Simpkins, Jerry | | | 1622 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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) | | | | 2018 IM John Grefe Marathon | Berkeley, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1793 | 1.50 | 4 | -0.89 | 20 | -17.80 | |
| | Marrus, Matthew | | | 1393 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ivanov, Aleksandr | | | 2136 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Cortinas, Martin | | | 1612 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Gomboluudev, Enkhjin | | | 1711 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | | | * 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) | | |
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