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Individual Calculations August 2019 |
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| Jacobson, Aaron Total change: 13.20 | |   |
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| 13th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2019-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2363 | 2302 | 5.50 | 9 | 1.71 | 20 | 34.20 | |
|  De Fotis, Gary | | | 1956 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Boros, Denes | g | | 2466 | HUN | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Bruzon Batista, Lazaro | g | | 2657 | CUB | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Shetty, Atulya | m | | 2431 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Li, Ben | f | | 2367 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Mulyar, Michael | m | | 2381 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Liu, Aristo | f | | 1992 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Bartell, Thomas | m | | 2369 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Nyzhnyk, Illya | g | | 2649 | UKR | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 47th Annual World Open | Philadelphia, Pennsylvania | USA | 2019-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2325 | 2324 | 4.50 | 9 | -0.07 | 20 | -1.40 | |
| | Gilden, Lawrence | f | | 2003 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Lenderman, Aleksandr | g | | 2640 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Elezi, Luan | | | 2105 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bauer, Christian | g | | 2646 | FRA | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Gabuzyan, Hovhannes | g | | 2622 | ARM | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Khomeriki, Giorgi | | | 2144 | GEO | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Tutisani, Noe | m | | 2460 | GEO | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Black, James | | | 2143 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Yakubov, Mardon | | | 2162 | UZB | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | | | 12th New York International | New York, New York | USA | 2019-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2324 | 1.50 | 4 | -0.98 | 20 | -19.60 | |
| | Zong, Davis | | | 2058 | USA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Fleischman, Eric | | | 2141 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Zherebukh, Yaroslav | g | | 2628 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Huang, Gary | | | 2107 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | |
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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