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Individual Calculations January 2020 |
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| Samadashvili, Martha Total change: 32.40 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2152 | 3.00 | 5 | 1.02 | 40 | 40.80 | |
|  Chin, Spencer | | | 1770 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Tokhirjonova, Gulrukhbegim | | wg | 2421 | UZB | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Ahuja, Rohan | m | | 2383 | IND | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Martin, Zachary D | | | 2073 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Schroeder, Jan-Christian | g | | 2552 * | GER | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | 38th Annual Empire City Open | New York, New York | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2170 | 4.00 | 6 | -0.21 | 40 | -8.40 | |
| | Masino, Matthew | | | 1948 | USA | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Li, Thomas | | | 1770 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rade, Dan | | | 1971 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ni, Winston | | | 2091 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Gu, Ethan | | | 1880 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Zhou, Liran | f | | 2317 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | |
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