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Individual Calculations January 2019 |
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| Biernacki, Mark Total change: -44.40 | |   |
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| 1st Manhattan International Chess Open | New York, New York | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 1881 | 1.00 | 3 | 0.23 | 40 | 9.20 | |
|  Romanenko, Vladimir | g | | 2281 * | BLR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Forney, Robert | | | 1861 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Zeltsan, Joseph | | | 2166 | USA | 1.00 | 1 | 0.84 | 40 | 33.60 | | | * 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) | | | | 2018 Charlotte Open | Charlotte, North Carolina | USA | 2018-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1881 | 0.50 | 4 | -1.34 | 40 | -53.60 | |
| | Zapata, Alonso | g | | 2281 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sriniaiyer, Sudarshan | | | 1865 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Pullabhotla, Venkata | | | 1699 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Rutten, Alexander | | | 1881 | NED | 0.00 | 1 | -0.50 | 40 | -20.00 | | | * 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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