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Individual Calculations February 2019 |
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| Erenburg, Sergey Total change: -3.40 | |   |
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| 45th Annual Eastern Open | Tyson's Corner, Virginia | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2589 | 5.50 | 7 | -0.15 | 10 | -1.50 | |
|  Siamon, David | | | 2189 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Johnston, Daniel | | | 2189 * | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Xu, Arthur | c | | 2189 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Filipovich, David | | | 2189 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Chiu, Isaac | | | 2189 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lenderman, Aleksandr | g | | 2632 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Checa, Nicolas | m | | 2508 | USA | 1.00 | 1 | 0.39 | 10 | 3.90 | | | * 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) | | | | 51st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2589 | 5.50 | 7 | -0.19 | 10 | -1.90 | |
| | Milanovic, Nemanja | | | 2189 * | SRB | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Most, Eric | | | 2189 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Paciorkowski, Lev | | | 2236 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Popilski, Gil | g | | 2501 | ISR | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Shetty, Atulya | m | | 2401 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Katz, Alexander | m | | 2433 | USA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Petesch, Gabriel | f | | 2240 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | * 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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