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Individual Calculations March 2012 |
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| Adu, Oladapo Oluto Total change: -18.75 | |   |
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| 38th Annual Eastern Open | Washington DC | USA | 2011-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 2237 | 4.00 | 6 | -0.63 | 15 | -9.45 | |
|  De Fotis, Gary C | | | 2042 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | |  Richman, Jonathan | | | 2014 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | McNamara, Tanner A | | | 2038 | USA | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Saperstein, Craig | | | 1961 | USA | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Dong, Alice | | | 1837 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Most, Eric Matthew | | | 2170 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | * 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) | | | | 2012 Chesapeake Open | Rockville, Maryland | USA | 2012-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2259 | 2.00 | 3 | -0.05 | 15 | -0.75 | |
| | Greanias, Steven D | | | 2158 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Barsky, Sam Alex | | | 2033 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Schoch, Ian David | | | 2175 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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) | | | | 2012 Baltimore Open | Linthicum, Maryland | USA | 2012-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2259 | 0.00 | 1 | -0.57 | 15 | -8.55 | |
| | Kahn, Aaron E | | | 2212 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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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