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Individual Calculations January 2009 |
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| Zierk, Steven C Total change: 19.35 | |   |
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| 26th Annual Sands Regency Reno - Western States Open | Reno, Nevada | USA | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2378 | 2240 | 2.00 | 5 | 0.35 | 15 | 5.25 | |
|  Yermolinsky, Alex | g | | 2537 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Sevillano, Enrico | m | | 2512 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Straver, Edwin | f | | 2335 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Mc Cartney, Patrick | | | 2150 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Rensch, Daniel M | f | | 2354 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | 44th Annual American Open | Los Angeles, California | USA | 2008-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2240 | 4.00 | 7 | 0.94 | 15 | 14.10 | |
| | Mezentsev, Vladimir | m | | 2405 | RUS | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Khachiyan, Melikset | g | | 2508 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Higgins, Sean K | | | 2178 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Bryant, John Daniel | | | 2223 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Matikozyan, Andranik | m | | 2462 | ARM | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Mac Kinnon, Keith M | | | 2076 | CAN | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Carreto, Giovanni | c | | 2196 | MEX | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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