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Individual Calculations September 2023 |
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| Tahmassebi, Bijan Total change: 31.00 | |   |
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| 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 2172 | 4.50 | 5 | 0.77 | 20 | 15.40 | |
|  Wang, William | | | 1767 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mariappan, Anish M | | | 1988 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Slate, Kent | | | 2045 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lowinger, Daniel | | | 2040 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Samuelson, Andrew | f | | 2006 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | |
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 |
| 2244 | 2172 | 4.50 | 9 | 0.78 | 20 | 15.60 | |
| | Steingrimsson, Hedinn | g | | 2491 | ISL | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Wang, Jason | m | | 2428 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Platnick, Elijah Samuel | | | 2053 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Espinosa, Pedro Roberto | c | | 2288 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Slade, Theodore Luke | | | 1991 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Pang, Qi | | | 2203 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Paul, Justin | f | | 2262 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Girsh, Daniel | | | 2200 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Adewumi, Tanitoluwa | f | | 2277 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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