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Individual Calculations July 2013 |
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| De Firmian, Nick E Total change: -1.40 | |   |
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| 2013 Best of the West Class Championship | Santa Clara, California | USA | 2013-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2389 | 2510 | 2.00 | 3 | 0.03 | 10 | 0.30 | |
|  Lee, Andy C | f | | 2263 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Khachiyan, Melikset | g | | 2518 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Zilberstein, Dmitry | m | | 2387 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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) | | | | 2013 National Open - Open Section | Las Vegas, Nevada | USA | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2332 | 2510 | 4.00 | 6 | -0.17 | 10 | -1.70 | |
| | Formanek, Edward W | m | | 2168 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Li, Ruifeng | c | | 2203 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Gelashvili, Tamaz | g | | 2560 | GEO | 0.00 | 1 | -0.43 | 10 | -4.30 | | | Jayakumar, Adarsh | f | | 2340 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Akobian, Varuzhan | g | | 2609 | USA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Chiang, Jonathan | f | | 2110 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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