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Individual Calculations April 2009 |
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| Shankland, Samuel Total change: -6.60 | |   |
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| 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2436 | 5.00 | 7 | 0.78 | 10 | 7.80 | |
|  Anderson, Renard W | f | | 2186 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | |  Vogel, Joerg | | | 2086 | GER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Moskow, Eric D | | | 2225 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Hess, Robert L | m | | 2493 | USA | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Ehlvest, Jaan | g | | 2581 | USA | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Izoria, Zviad | g | | 2610 | GEO | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Zierk, Steven C | | | 2240 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | |
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) | | | | 26th Annual U.S Amateur Team West | Woodland Hills, CA | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2453 | 3.00 | 5 | -0.65 | 10 | -6.50 | |
| | He, Tianyi | | | 2103 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Sevillano, Enrico | m | | 2512 | USA | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Hermansen, Ron | | | 2235 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Bryant, John Daniel | | | 2240 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Hurdle Jr, Robert | | | 2218 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | |
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) | | | | Western Chess Congress | Concord, California | USA | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2453 | 1.50 | 3 | -0.79 | 10 | -7.90 | |
| | Aigner, Michael | | | 2226 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Ding, Richard | | | 2124 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Naroditsky, Daniel | f | | 2362 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | |
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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