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Individual Calculations January 2010 |
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| Schoch, Ian D Total change: 40.50 | |   |
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| 14th Annual Northern Virginia Open | Sterling, Virginia | USA | 2009-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2032 | 2.00 | 3 | 0.57 | 15 | 8.55 | |
|  Carroll, William | | | 1882 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Adu, Oladapo Oluto | m | | 2234 | NGR | 0.50 | 1 | 0.26 | 15 | 3.90 | |  Strenzwilk, Denis | | | 2038 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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) | | | | 40th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2032 | 3.00 | 6 | 1.20 | 15 | 18.00 | |
| | Zaikov, Oleg N | f | | 2385 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Williams, Chris | | | 2226 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Daly, Troy | | | 2169 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Esserman, Marc R | m | | 2408 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Sturt, Raven M | | | 2068 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Freix, Andrew J | | | 1972 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | | | 2009 Arlington Chess Club Championship | Arlington, Virginia | USA | 2009-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2032 | 2.00 | 3 | 0.93 | 15 | 13.95 | |
| | Slack, David | | | 2054 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Leach Iii, Daniel F | | | 2134 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Adu, Oladapo | m | | 2234 | NGR | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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