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Individual Calculations September 2009 |
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| Harris, Ian Total change: 15.25 | |   |
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| 2009 Chesapeake Open | Baltimore, Maryland | USA | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2074 | 2.00 | 4 | 0.61 | 25 | 15.25 | |
|  Enkhbat, Tegshsuren | m | | 2377 | USA | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Melekhina, Alisa | | wm | 2287 | USA | 0.00 | 1 | -0.23 | 25 | -5.75 | |  Strenzwilk, Denis | | | 2079 | USA | 1.00 | 1 | 0.51 | 25 | 12.75 | | | Pinkerton, James C | | | 2049 | USA | 1.00 | 1 | 0.47 | 25 | 11.75 | |
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) | | |
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