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Individual Calculations July 2012 |
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| Kelley, Dereque D Total change: -34.05 | |   |
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| 2012 Washington Open | Seatac, Washington | USA | 2012-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2242 | 0.00 | 2 | -1.43 | 15 | -21.45 | |
|  Esler, Brian John | | | 2086 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Bartron, Paul R | f | | 2079 | USA | 0.00 | 1 | -0.72 | 15 | -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) | | | | 2012 National Open - Open Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2372 | 2242 | 1.00 | 5 | -0.84 | 15 | -12.60 | |
| | Ivanisevic, Ivan | g | | 2642 * | SRB | 1.00 | 1 | 0.92 | 15 | 13.80 | |  Zierk, Steven C | m | | 2483 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Ramirez, Alejandro | g | | 2593 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Wheeler, Cameron | | | 2066 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Anzis, Matt | | | 2077 | USA | 0.00 | 1 | -0.72 | 15 | -10.80 | | | * 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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