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Individual Calculations September 2011 |
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| Chen, Howard J Total change: 27.00 | |   |
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| 16th Annual Pacific Coast Open | Agoura Hills, California | USA | 2011-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2293 | 4.50 | 6 | 1.05 | 15 | 15.75 | |
|  Xue, Robert | | | 1939 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Chakraborty, Dipro | | | 2148 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Bryant, John D | f | | 2406 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Field, Frederick W | | | 1913 | USA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Amanov, Zhanibek | m | | 2382 | KAZ | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Khachiyan, Melikset | g | | 2505 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2324 | 2293 | 2.00 | 3 | 0.63 | 15 | 9.45 | |
| | Gutman, Richard G | | | 2109 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Orlov, Georgi | m | | 2477 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Cheng, Bindi | f | | 2385 | CAN | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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 |
| 2256 | 2293 | 5.00 | 9 | 0.12 | 15 | 1.80 | |
| | Tatum, Kofi Odell | | | 1995 | USA | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Akopian, Robert | | | 2047 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Holt, Conrad | m | | 2438 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Lee, Michael | f | | 2395 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Bercys, Salvijus | m | | 2487 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Yang, Darwin | m | | 2434 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Kurosaki, Takashi | | | 2131 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Steinfl, Alessandro | | | 2164 | ITA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Akopyan, Harutyun | f | | 2213 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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