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Individual Calculations September 2011 |
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| Peters, Jack Total change: -13.90 | |   |
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| 51st Annual Pacific Southwest Open | Los Angeles, California | USA | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2377 | 4.00 | 6 | 0.02 | 10 | 0.20 | |
|  Hough, Randall D | | | 1994 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Zhang, Eric | | | 2011 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Breckenridge, Steven | | | 2220 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Duckworth, William Mark | f | | 2352 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Yankovsky, Roman | | | 2400 | RUS | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Bryant, John Daniel | f | | 2406 | USA | 0.00 | 1 | -0.46 | 10 | -4.60 | |
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) | | | | 9th Metropolitain Chess FIDE Invitational | Los Angeles, California | USA | 2011-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2377 | 6.00 | 9 | 0.42 | 10 | 4.20 | |
| | Amanov, Zhanibek | m | | 2382 | KAZ | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Coleman, Teddy | f | | 2285 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Banawa, Joel | f | | 2374 | USA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Mateer, Amanda | | wf | 2096 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Nu Ez Hirales, Ju | | | 2078 | MEX | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Taylor, Timothy W | m | | 2279 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Liu, Elliott Joseph | f | | 2291 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Manukyan, Garush | | | 2292 | ARM | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Matikozyan, Andran | m | | 2451 | ARM | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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) | | | | 1st Metropolitan Chess FIDE International | Los Angeles, CA | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2377 | 4.50 | 9 | -1.83 | 10 | -18.30 | |
| | Brown, Michael W | | | 2121 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Ruck, Robert | g | | 2569 | HUN | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Bodek, Michael H | | | 2191 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Akopyan, Harutyun | f | | 2213 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Barnett, Alex | | | 2254 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Jayakumar, Adarsh | | | 2177 | USA | 0.00 | 1 | -0.76 | 10 | -7.60 | | | Huang, Vincent | | | 2128 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Yanayt, Eugene | f | | 2236 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Akopian, Robert | | | 2047 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |
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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