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Individual Calculations July 2012 |
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| Karagianis, Petros Total change: -1.80 | |   |
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| 21st Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2183 | 2.50 | 5 | -0.43 | 15 | -6.45 | |
|  Lein, Anatoly | g | | 2262 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |  Richman, Jonathan | | | 2002 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Kogen, Jonathan S | | | 2127 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Hoover, Nathan E | | | 2123 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Kasiurak, Zach | | | 2080 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | 2012 National Open - Open Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2367 | 2183 | 1.50 | 4 | 0.31 | 15 | 4.65 | |
| | Kekelidze, Mikheil | g | | 2494 | GEO | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Anzis, Matt | | | 2077 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Liou, Yian | f | | 2312 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Ivanisevic, Ivan | g | | 2583 * | SRB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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