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Individual Calculations September 2009 |
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| Francisco, Richard Total change: -18.00 | |   |
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| 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2352 | 2213 | 0.00 | 2 | -0.62 | 15 | -9.30 | |
|  Bonin, Jay | m | | 2369 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Naroditsky, Daniel | f | | 2335 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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 |
| 2158 | 2213 | 0.00 | 1 | -0.58 | 15 | -8.70 | |
| | Adelberg, David | | | 2158 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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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