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Individual Calculations November 2021 |
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| Jacobson, Brandon Total change: 21.60 | |   |
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| 25th Annual Eastern Chess Congress - Premier | Princeton, New Jersey | USA | 2021-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2492 | 4.50 | 5 | 0.51 | 10 | 5.10 | |
|  Sinnott, Alex | | | 2092 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Mujumdar, Sameer | | | 2092 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Wang, Kevin | m | | 2376 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Korley, Kassa | m | | 2407 | DEN | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Obrien, Matthew J | | | 2172 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | * 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) | | | | 12th Annual Washington Chess Congress | Reston, Virginia | USA | 2021-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2402 | 2492 | 6.50 | 9 | 1.13 | 10 | 11.30 | |
| | Prestia, Paris | | | 2098 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Krishnakumar, Sriram | c | | 2092 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Zhou, Jianchao | g | | 2629 | CHN | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Moradiabadi, Elshan | g | | 2553 | USA | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Ghazarian, Kirk | f | | 2323 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Ivanov, Mike | f | | 2344 | CAN | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Liang, Jason | m | | 2414 | USA | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Ali Marandi, Cemil Can | g | | 2535 | TUR | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Gledura, Benjamin | g | | 2628 | HUN | 0.50 | 1 | 0.18 | 10 | 1.80 | | | * 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) | | | | 2021 SPICE Cup Open | Clayton, Missouri | USA | 2021-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2439 | 2492 | 5.50 | 9 | 0.52 | 10 | 5.20 | |
| | Eckert, Doug D | f | | 2221 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Singh, Hersh | | | 2100 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Quesada Perez, Yun | g | | 2593 | USA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Ostrovskiy, Aleksa | m | | 2406 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Martinez, Jose | g | | 2620 | PER | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Yoo, Christopher W | m | | 2485 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Nyzhnyk, Illia | g | | 2670 | UKR | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Nakada, Akira Wood | c | | 2226 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Gledura, Benjamin | g | | 2628 | HUN | 0.00 | 1 | -0.32 | 10 | -3.20 | |
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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