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Individual Calculations February 2019 |
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| Grabinsky, Aaron Total change: -18.80 | |   |
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| 2018 Pan-American Intercollegiate Team Championship | Burlingame, California | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2350 | 1.50 | 5 | -1.11 | 20 | -22.20 | |
|  Jaffe, Joel | | | 1992 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Vazquez, Guillermo | m | | 2467 | PAR | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Torres Rosas, Luis Carlos | m | | 2277 | MEX | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Rambaldi, Francesco | g | | 2557 | ITA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Ampie, Mauro | f | | 2318 | NCA | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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) | | | | Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2366 | 2350 | 4.50 | 9 | 0.17 | 20 | 3.40 | |
| | Bruzon Batista, Lazaro | g | | 2664 | CUB | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Nagarajan, Pranav | | | 2206 | USA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Somalwar, Anaiy | | | 2069 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Watson, John | m | | 2203 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Mont-Reynaud, Jordy | | | 2241 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Hevia Alejano, Carlos Antonio | g | | 2476 | CUB | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Hilby, Craig | m | | 2445 | USA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Ali Marandi, Cemil Can | g | | 2530 | TUR | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Ruiz Castillo, Joshua Daniel | m | | 2459 | COL | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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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