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Individual Calculations September 2021 |
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| Arun, Siddharth Total change: 7.00 | |   |
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| Mechanics Institute Tuesday Night Marathon July-August 2021 - Open | San Francisco, California | USA | 2021-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 2055 | 3.50 | 4 | 0.79 | 20 | 15.80 | |
|  Argo, Guy | | | 1845 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Bambou, Christophe | | | 2192 | FRA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Weng, Nicholas | | | 1676 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Penagalapati, Abhi | | | 1896 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 51st Annual Continental Open - Master | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2055 | 1.50 | 5 | -0.44 | 20 | -8.80 | |
| | Bartell, Thomas | m | | 2354 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Lee, Justin | | | 2028 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Ghazarian, Kirk Vagho | f | | 2331 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Lizarazo, Juan Car | | | 1952 | COL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Yanayt, Eugene | f | | 2099 | USA | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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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