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Individual Calculations September 2009 |
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| Rouleau, John Total change: 6.60 | |   |
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| 36th LPO | Winston-Salem, North Carolina | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 2268 | 2.50 | 4 | 0.44 | 15 | 6.60 | |
|  Potter, Russell | | | 2212 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | |  Barnett, Alexander | | | 2236 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Mabe, Chris J | | | 2214 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Burnett, Ronald | m | | 2368 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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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