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Individual Calculations December 2017 |
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| Brattain, Mika Total change: -3.00 | |   |
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| 26th Annual Kings Island Open | Blue Ash, Ohio | USA | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2407 | 4.00 | 5 | 0.86 | 10 | 8.60 | |
|  Wu, Logan | | | 2007 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Wang, Jason | c | | 2164 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Menon, Gopal | | | 2226 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Shabalov, Alexander | g | | 2545 | USA | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Corrales Jimenez, Fidel | g | | 2502 | USA | 0.50 | 1 | 0.13 | 10 | 1.30 | | | * 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) | | | | 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2407 | 3.00 | 5 | -1.16 | 10 | -11.60 | |
| | Onokpite, Kennedy | | | 2093 | NGR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Guo, Arthur | f | | 2219 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Chasin, Nico | f | | 2007 * | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Wang, Alex | | | 2053 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Zimmer, Ralph | f | | 2215 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | * 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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