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Individual Calculations September 2009 |
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| Tae, Patrick John Total change: 40.05 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2092 | 3.00 | 7 | 0.72 | 15 | 10.80 | |
|  Adamson, Robby | f | | 2302 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Shetty, Atulya A | | | 1972 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Adu, Oladapo O | m | | 2294 | NGR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Mandizha, Farai | f | | 2313 | ZIM | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Studen, Damir | | | 2208 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Ju, Evan D | f | | 2316 | USA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Hutchinson, Antoine | | | 2185 | USA | 1.00 | 1 | 0.63 | 15 | 9.45 | |
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) | | | | 36th LPO | Winston-Salem, North Carolina | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2092 | 3.50 | 5 | 1.68 | 15 | 25.20 | |
| | Jones, Craig W | | | 2239 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Burnett, Ronald | m | | 2368 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Pohl, Klaus A | | | 2174 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Harris, Neal | | | 2105 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Dana, Maurice | | | 2103 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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) | | | | Denker Tournament of High School Champions | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2092 | 2.00 | 4 | 0.27 | 15 | 4.05 | |
| | Xing, Kerry | | | 2219 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Ng, Andrew | | | 2113 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Marshall, Abby | | wf | 2171 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Huang, Vincent | | | 2063 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | |
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