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Individual Calculations August 2019 |
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| Posthuma, Joshua Total change: 24.20 | |   |
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| 2019 Annual Universal Summer Swiss | Cadillac, Michigan | USA | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2321 | 4.00 | 4 | 0.68 | 20 | 13.60 | |
|  Schwerin, Nick | | | 1921 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rajanish, Adhvaith | | | 1921 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Davidovich, Manis | | | 2009 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Canty, Jimmy | | | 2233 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | * 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) | | | | 47th Annual World Open | Philadelphia, Pennsylvania | USA | 2019-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2321 | 5.50 | 9 | 0.53 | 20 | 10.60 | |
| | Daniels, Jason | | | 1989 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Macarthur, John | | | 1983 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Quesada Perez, Yuniesky | g | | 2626 | CUB | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Marrero Lopez, Yaniet | | wg | 2193 | CUB | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Cordova, Emilio | g | | 2615 | PER | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Times, Lawyer | | | 2115 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Turgut, Tansel | f | | 2202 | TUR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Pashikian, Arman | g | | 2601 | ARM | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Feng, Maggie | f | wm | 2198 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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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