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Individual Calculations September 2009 |
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| Harris, Neal D Total change: 38.50 | |   |
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| 2009 South Carolina Open | Greenville, South Carolina | USA | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2105 | 1.50 | 2 | 0.47 | 25 | 11.75 | |
|  Christensen, Wayne E | | | 2162 | USA | 0.50 | 1 | 0.08 | 25 | 2.00 | |  Trower, Todd Jackson | | | 2026 | USA | 1.00 | 1 | 0.39 | 25 | 9.75 | |
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) | | | | 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2105 | 3.00 | 6 | 0.95 | 25 | 23.75 | |
| | Sarkar, Justin | m | | 2410 | USA | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Stancil, Kimani A | | | 2116 | USA | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Luaces, Juan | | | 2141 | USA | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Studen, Damir | | | 2208 | USA | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Ju, Evan D | f | | 2316 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Hutchinson, Antoine | | | 2185 | USA | 0.50 | 1 | 0.11 | 25 | 2.75 | |
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) | | | | 36th LPO | Winston-Salem, North Carolina | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2105 | 1.50 | 3 | 0.12 | 25 | 3.00 | |
| | Pohl, Klaus A | | | 2174 | USA | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Wheeler, Jerry T | f | | 2134 | USA | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Tae, Patrick | | | 2092 | USA | 0.50 | 1 | -0.02 | 25 | -0.50 | |
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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