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Individual Calculations April 2009 |
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| Larson, Gerald A Total change: -7.50 | |   |
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| 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2135 | 1.50 | 5 | -0.50 | 15 | -7.50 | |
|  Adamson, Robby | f | | 2324 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Haring, Ruth I | | wm | 2091 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Yang, Darwin | f | | 2182 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Naroditsky, Daniel | f | | 2382 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Stein, Jeremy A | | | 2087 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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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