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Individual Calculations July 2009 |
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| Langer, Michael Total change: 3.45 | |   |
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| 9th Annual Sands Regency Reno - Far West Open | Reno, Nevada | USA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2260 | 2.50 | 5 | 0.16 | 15 | 2.40 | |
|  Kudrin, Sergey | g | | 2563 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Manvelyan, Hayk | | | 2088 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Mackenzie, Dana N | | | 2110 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Pruess, David | m | | 2400 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Bryant, John Daniel | | | 2292 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2260 | 5.50 | 7 | 1.15 | 15 | 17.25 | |
| | Heung, Christopher | | | 1985 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Cardona, Liulia | | wf | 2226 | CUB | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Wright, William B | | | 2186 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Szpisjak, Steven J | | | 2213 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Murthy, Pappu | | | 2095 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Aliyev, Timur | | | 2229 | ISR | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Hughes, Tyler B | | | 2230 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2260 | 1.00 | 4 | -1.08 | 15 | -16.20 | |
| | Soikkeli, Raino | | | 1910 | FIN | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Friedel, Joshua E | g | | 2516 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Tayar, Jonathan | f | | 2334 | CAN | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Chen, Howard | | | 2189 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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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