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Individual Calculations March 2012 |
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| Harmon-Vellotti, Carl Total change: 20.40 | |   |
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| 3rd Annual Golden State Open | Concord, California | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 1817 | 2.00 | 5 | 1.10 | 15 | 16.50 | |
|  Rabin, Evan Z | | | 2035 | USA | 1.00 | 1 | 0.78 | 15 | 11.70 | |  Liou, Yian | | | 2217 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Cohen, Micah | | | 2031 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Gallegos, Paul A | | | 2072 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Chiang, Sarah | | wc | 2081 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | * 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 Recession Buster | San Diego, California | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1817 | 1.00 | 3 | 0.26 | 15 | 3.90 | |
| | Moussa, Alaa-Addin | c | | 2156 | PLE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Hilby, Craig | | | 1946 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Baluran, Alejandrino | | | 1972 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | |
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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