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Individual Calculations June 2019 |
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| Santarius, Erik Total change: 6.50 | |   |
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| 2019 Port of Dubuque Open | Dubuque, Iowa | USA | 2019-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2396 | 3.00 | 4 | -0.55 | 10 | -5.50 | |
|  Murray, William | | | 1996 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Takahashi, Michael | | | 2007 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Mathur, Rithwik | | | 2115 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Bloomer, Josh | | | 2053 | USA | 0.00 | 1 | -0.88 | 10 | -8.80 | | | * 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) | | | | 28th Annual Chicago Open | Wheeling, Illinois | USA | 2019-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2367 | 2396 | 6.00 | 9 | 1.20 | 10 | 12.00 | |
| | Park, Evan | | | 2070 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Durarbayli, Vasif | g | | 2623 | AZE | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Graif, William | | | 2210 | CAN | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Tian, Eddy | | | 2166 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Lehmann, Spencer | | | 2289 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Liang, Awonder | g | | 2600 | USA | 0.50 | 1 | 0.26 | 10 | 2.60 | | | Quesada Perez, Yasser | g | | 2558 | CUB | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Zhang, Chao | | | 2254 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Ali Marandi, Cemil Can | g | | 2531 | TUR | 1.00 | 1 | 0.68 | 10 | 6.80 | |
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) | | |
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