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Individual Calculations September 2023 |
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| Chabris, Christopher F Total change: 41.40 | |   |
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| 10th Annual Potomac Open - Championship | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2051 | 2.50 | 4 | 0.21 | 20 | 4.20 | |
|  Yehamandram, Yogeshwar | | | 1918 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Senft, Sean | | | 2160 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Pillai, Adithya | | | 1944 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Mariappan, Anish M | | | 1969 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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) | | | | 10th Annual Washington International - Championship | Rockville, MD | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2051 | 3.00 | 6 | 1.86 | 20 | 37.20 | |
| | Tanenbaum, Zachary | c | | 2279 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Fishbein, Alexander | g | | 2363 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Zhong, Kevin | f | | 2238 | CAN | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Tang, Andrew | g | | 2523 | USA | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Kogen, Jonathan | | | 2230 | USA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Adewumi, Tanitoluwa | f | | 2277 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | |
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