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Individual Calculations May 2012 |
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| Boor, Carl Brandon Total change: -2.55 | |   |
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| 8th North American Amateur Open | Skokie, Illinois | USA | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 2256 | 2.50 | 3 | -0.17 | 15 | -2.55 | |
|  Arond, Dean | | | 1856 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Baumgartner, Chris | | | 1856 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Tutush, Dusan | | | 1980 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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