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Individual Calculations November 2017 |
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| Treger, Yefim Total change: -12.20 | |   |
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| 9th Annual Washington Chess Congress | Arlington, Virginia | USA | 2017-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2154 | 2.00 | 5 | -0.68 | 20 | -13.60 | |
|  Gutman, Joshua | | | 2025 | USA | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Yu, Jennifer | f | wm | 2308 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Kraai, Jesse | g | | 2502 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | De Fotis, Gary | | | 1912 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Slade, Theodore | | | 1902 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | 21st Annual Eastern Chess Congress | Princeton, New Jersey | USA | 2017-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2154 | 2.50 | 4 | 0.07 | 20 | 1.40 | |
| | Ni, Winston | | | 1897 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ippolito, Dean | m | | 2346 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Paciorkowski, Lev | | | 2194 | USA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Park, Evan | | | 1754 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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