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Individual Calculations July 2009 |
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| Donaldson, John Total change: -15.20 | |   |
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| Calgary International Chess Classic | Calgary | CAN | 2009-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2261 | 2409 | 3.00 | 7 | -1.82 | 10 | -18.20 | |
|  Moloney, Nicholas | | | 2210 | ENG | 0.50 | 1 | -0.26 | 10 | -2.60 | |  Fedorowicz, John Peter | g | | 2485 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Peter, Steven | | | 2264 | CAN | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Kaminski, Victor | | | 2244 | CAN | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Me, Kevin | | | 2116 | CAN | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Neven, Knut | | | 2199 | CAN | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Pechenkin, Vladimir | f | | 2312 | CAN | 0.00 | 1 | -0.63 | 10 | -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 Washington Open | Spokane, Washington | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2409 | 5.00 | 6 | 0.30 | 10 | 3.00 | |
| | Harmon-Vellotti, Luke | | | 2059 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Gay, Daniel | | | 2059 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kelley, Dereque | | | 2149 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Raptis, Nick | f | | 2253 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Sinanan, Josh | | | 2235 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Collyer, Curt | | | 2289 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | |
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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