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Individual Calculations April 2008 |
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| Koons, Nat W Total change: -25.50 | |   |
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| 2007 Washington Open | Seatttle, Washington | USA | 2007-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2293 | 1.50 | 3 | -0.13 | 15 | -1.95 | |
|  Roper, David C | f | | 2288 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Lee, Michael | | | 2243 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Perez, Ignacio | | | 2260 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | 2008 Washington Championship - Championship | Seattle, Washington | USA | 2008-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2337 | 2293 | 2.00 | 8 | -1.57 | 15 | -23.55 | |
| | Sinanan, Josh | | | 2183 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Perez, Ignacio | | | 2260 | USA | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Greninger, Harley | | | 2278 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Serper, Gregory | g | | 2512 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Mikhailuk, Slava | f | | 2446 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Readey, John | f | | 2278 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Lee, Michael | | | 2244 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Orlov, Georgi | m | | 2494 | USA | 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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