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Individual Calculations February 2015 |
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| Sang, Tian Total change: 2.40 | |   |
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| 2014 Washington Class Championship | Lynnwood, Washington | USA | 2014-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2287 | 4.00 | 5 | 0.24 | 20 | 4.80 | |
|  Pupols, Viktors | | | 2072 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | |  He, Samuel | | | 2004 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Bragg, David | f | | 2135 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Sen, Samir | | | 2148 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Tiglon, Bryce | | | 2089 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | 24th Annual North American Open | Las Vegas, Nevada | USA | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2287 | 4.00 | 9 | -0.12 | 20 | -2.40 | |
| | Niemann, Hans | | | 1894 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shen, Yang | m | wg | 2475 | CHN | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Bu, Xiangzhi | g | | 2687 * | CHN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Yankovsky, Roman | m | | 2436 | RUS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Pazos, Plinio | m | | 2212 | ECU | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Winer, Steven | f | | 2380 | USA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Vera, Reinaldo L | g | | 2445 | CUB | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Korba, Nicky | | | 2129 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Hilby, Craig | | | 2219 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | * 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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