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Individual Calculations July 2009 |
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| Theil, Carey M Total change: 3.25 | |   |
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| 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2196 | 2.00 | 4 | 0.13 | 25 | 3.25 | |
|  Iwu, Okechukwu N | | | 2198 | USA | 1.00 | 1 | 0.50 | 25 | 12.50 | |  Santarius, Erik F | | | 2252 | USA | 0.50 | 1 | 0.08 | 25 | 2.00 | | | Studen, Damir | | | 2208 | USA | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Hilton, Jonathan L | | | 2220 | USA | 0.00 | 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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