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Individual Calculations September 2010 |
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| Phillips, Jeff Total change: 44.00 | |   |
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| 50th Annual Pacific Southwest Open | Los Angeles, California | USA | 2010-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2041 | 1.50 | 3 | 0.08 | 25 | 2.00 | |
|  Hough, Randall D | | | 1991 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | |  Robertson, Matthew | | | 2038 | USA | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Gutman, Joshua | | | 2151 | USA | 0.00 | 1 | -0.35 | 25 | -8.75 | |
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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2041 | 2.50 | 5 | 1.33 | 25 | 33.25 | |
| | Khachiyan, Melikset | g | | 2441 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Luchan, Jason G | | | 2121 | USA | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Huang, Vincent | | | 2092 | USA | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Bryant, John Daniel | f | | 2403 | USA | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Manukyan, Garush | | | 2318 | ARM | 1.00 | 1 | 0.83 | 25 | 20.75 | | | * 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) | | | | 2nd Annual Central California Open | Fresno, California | USA | 2010-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2041 | 1.50 | 3 | 0.35 | 25 | 8.75 | |
| | Lapid Shafriri, Gil | | | 2144 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Perepelitsky, Edward | | | 2152 | USA | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Karas, Nicholas | | | 2084 | USA | 1.00 | 1 | 0.56 | 25 | 14.00 | |
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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