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Individual Calculations September 2022 |
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| Jacobson, Brandon Total change: 2.90 | |   |
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| 52nd annual Continental Open Master | Sturbridge, MA | USA | 2022-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2351 | 2544 | 5.50 | 8 | -0.27 | 10 | -2.70 | |
|  Sun, Ryan | c | | 2144 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Poliannikov, Danila | f | | 2309 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Lee, Justin | | | 2122 | USA | 1.00 | 1 | 0.07 | 10 | 0.70 | | | Corrales Jimenez, Fidel | g | | 2527 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Ivanov, Alexander | g | | 2448 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Chiku-Ratte, Olivier-Kenta | m | | 2347 | CAN | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Zhou, Jianchao | g | | 2576 | CHN | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Zeltsan, Joseph | | | 2337 | USA | 0.00 | 1 | -0.77 | 10 | -7.70 | | | * 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) | | | | 9th Annual Washington International - Championship | Rockville, Maryland | USA | 2022-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2425 | 2548 | 6.00 | 9 | 0.07 | 10 | 0.70 | |
| | Clasby, Derek | | | 2246 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Mandizha, Farai | m | | 2359 | ZIM | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Narayanan, Samrug | f | | 2356 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Grabinsky, Aaron | m | | 2410 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Wang, Tianqi | m | | 2410 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Wang, Kevin | m | | 2395 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Burke, John Michael | g | | 2573 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Zhou, Jianchao | g | | 2586 | CHN | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Brodsky, David | m | | 2494 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | |
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) | | | | 2022 MN International Chess Festival - Open | Bloomington, MN | USA | 2022-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2409 | 2548 | 6.50 | 9 | 0.49 | 10 | 4.90 | |
| | Rorrer, Grayson | | | 2166 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Andrianov, Nikolay | m | | 2302 | RUS | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Dukic, Zachary | f | | 2253 | CAN | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Gazik, Viktor | m | | 2526 | SVK | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Yoo, Christopher | g | | 2567 | USA | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Dragun, Kamil | g | | 2555 | POL | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Wang, Tianqi | m | | 2410 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Wang, Kevin | m | | 2395 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Tang, Andrew | g | | 2505 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | |
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) | | |
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