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Individual Calculations February 2020 |
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| Polgar-Shutzman, Tom Total change: -20.20 | |   |
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| 2019 Pan-American Intercollegiate Championship | Charlotte, North Carolina | USA | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2451 | 2233 | 0.00 | 2 | -0.45 | 20 | -9.00 | |
|  Grinberg, Eyal | m | | 2465 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Arribas Lopez, Angel | g | | 2437 | ESP | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | 2020 Charlotte Open | Charlotte, North Carolina | USA | 2020-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2233 | 4.50 | 9 | -0.56 | 20 | -11.20 | |
|  Beradze, Irakli | m | | 2487 | GEO | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Escalante, Brian | m | | 2430 | PER | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Mahajan, Rushaan | c | | 2007 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Narva, Mai | | wm | 2321 | EST | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Comsa, Ciprian | | | 1862 | ROU | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Panuganti, Kireet | | | 1974 | USA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Chen, Benjamin | | | 2046 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Martinez, Isaac | | | 2056 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Tokhirjonova, Gulrukhbegim | | wg | 2415 | UZB | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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